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XIII.F.2. (III.B.7.b.) (IV.C.7.) (XVIII.B.2.) |
Calculated frequencies that differ from experiment by more than 400 cm-1 or have a ratio with experiment outside of 0.7 to 1.2 are listed
Calculated vibrational frequencies ("theory" in table) are calculated at
B1B95/STO-3G
Calculated values were scaled by 0.883.
| Species | Name | mode | Symmetry | Experiment | Theory | difference | ratio |
|---|---|---|---|---|---|---|---|
| H2CO+ | formaldehyde cation | 2 | A1 | 1675 | 1355 | -320 | 1.236 |
| CCl4 | Carbon tetrachloride | 2 | E | 217 | 176 | -41 | 1.230 |
| C3H4O2 | β–Propiolactone | 13 | A' | 513 | 419 | -94 | 1.224 |
| C3H4O2 | β–Propiolactone | 21 | A" | 113 | 164 | 51 | 0.687 |
| HCOOH | Formic acid | 7 | A' | 625 | 493 | -132 | 1.268 |
| CH3COOH | Acetic acid | 11 | A' | 657 | 458 | -199 | 1.436 |
| CH3COOH | Acetic acid | 18 | A" | 93 | 58 | -35 | 1.603 |
| CH3OH | Methyl alcohol | 12 | A" | 200 | 363 | 163 | 0.552 |
| CH3SOCH3 | Dimethyl sulfoxide | 7 | A' | 1102 | 902 | -200 | 1.221 |
| CH3SOCH3 | Dimethyl sulfoxide | 12 | A' | 308 | 234 | -74 | 1.314 |
| CH3SOCH3 | Dimethyl sulfoxide | 23 | A" | 333 | 244 | -89 | 1.367 |
| CH3SOCH3 | Dimethyl sulfoxide | 9 | A' | 1006 | 811 | -195 | 1.240 |
| CH3SOCH3 | Dimethyl sulfoxide | 11 | A' | 382 | 296 | -86 | 1.289 |
| CH3SOCH3 | Dimethyl sulfoxide | 22 | A" | 695 | 546 | -149 | 1.273 |
| C2H6O2S | Dimethyl sulfone | 5 | A1 | 1121 | 874 | -247 | 1.283 |
| C2H6O2S | Dimethyl sulfone | 13 | A2 | 326 | 182 | -144 | 1.792 |
| C2H6O2S | Dimethyl sulfone | 20 | B1 | 262 | 104 | -158 | 2.523 |
| C2H6O2S | Dimethyl sulfone | 19 | B1 | 396 | 251 | -145 | 1.575 |
| C2H6O2S | Dimethyl sulfone | 27 | B2 | 465 | 254 | -211 | 1.833 |
| C2H6O2S | Dimethyl sulfone | 7 | A1 | 703 | 528 | -175 | 1.332 |
| C2H6O2S | Dimethyl sulfone | 9 | A1 | 294 | 202 | -92 | 1.458 |
| C2H6O2S | Dimethyl sulfone | 17 | B1 | 1269 | 944 | -325 | 1.345 |
| C2H6O2S | Dimethyl sulfone | 26 | B2 | 771 | 514 | -257 | 1.501 |
| C2H6O2S | Dimethyl sulfone | 6 | A1 | 1013 | 746 | -267 | 1.357 |
| C2H6O2S | Dimethyl sulfone | 25 | B2 | 958 | 783 | -175 | 1.223 |
| C2H6O2S | Dimethyl sulfone | 8 | A1 | 496 | 265 | -231 | 1.874 |
| C2H6O2S | Dimethyl sulfone | 18 | B1 | 986 | 779 | -207 | 1.266 |
| CH3CCl3 | Ethane, 1,1,1-trichloro- | 11 | E | 351 | 289 | -62 | 1.213 |
| CH3CCl3 | Ethane, 1,1,1-trichloro- | 12 | E | 239 | 199 | -40 | 1.202 |
| CH3NH2 | methyl amine | 14 | A" | 1195 | 913 | -282 | 1.309 |
| HCN+ | hydrogen cyanide cation | 3 | Π | 760 | 623 | -137 | 1.220 |
| CH3CH2Cl | Ethyl chloride | 18 | A" | 251 | 209 | -42 | 1.201 |
| CH2F2 | Methane, difluoro- | 4 | A1 | 529 | 436 | -92 | 1.211 |
| HNCO | Isocyanic acid | 5 | A' | 577 | 438 | -139 | 1.317 |
| HNCO | Isocyanic acid | 6 | A" | 656 | 466 | -190 | 1.408 |
| C2H4O | Ethylene oxide | 7 | A2 | 1300 | 1075 | -225 | 1.209 |
| CH3CHClCH3 | Propane, 2-chloro- | 27 | A" | 276 | 190 | -86 | 1.449 |
| CH3CHClCH3 | Propane, 2-chloro- | 15 | A' | 253 | 209 | -44 | 1.210 |
| CH3COCl | Acetyl Chloride | 15 | A" | 166 | 113 | -53 | 1.468 |
| CH3COCl | Acetyl Chloride | 10 | A' | 348 | 283 | -65 | 1.230 |
| CH3CHF2 | Ethane, 1,1-difluoro- | 11 | A' | 468 | 387 | -81 | 1.211 |
| CH2CF2 | Ethene, 1,1-difluoro- | 5 | A1 | 550 | 440 | -110 | 1.251 |
| CCl2O | Phosgene | 4 | B1 | 580 | 463 | -117 | 1.251 |
| CHF2Cl | difluorochloromethane | 4 | A' | 812 | 676 | -136 | 1.200 |
| CHF2Cl | difluorochloromethane | 9 | A" | 366 | 287 | -79 | 1.274 |
| CHF2Cl | difluorochloromethane | 6 | A' | 413 | 337 | -76 | 1.224 |
| CHF3 | Methane, trifluoro- | 3 | A1 | 700 | 560 | -140 | 1.251 |
| CHF3 | Methane, trifluoro- | 6 | E | 507 | 391 | -116 | 1.297 |
| CH3NO2 | Methane, nitro- | 11 | A" | 1583 | 3109 | 1526 | 0.509 |
| CH3NO2 | Methane, nitro- | 9 | A' | 603 | 489 | -114 | 1.233 |
| CBr2F2 | Methane, dibromodifluoro- | 3 | A1 | 140 | 298 | 158 | 0.469 |
| CBr2F2 | Methane, dibromodifluoro- | 4 | A1 | 168 | 138 | -30 | 1.216 |
| CF3Br | Bromotrifluoromethane | 2 | A1 | 760 | 628 | -132 | 1.210 |
| CF3Br | Bromotrifluoromethane | 6 | E | 306 | 246 | -60 | 1.243 |
| CF3Br | Bromotrifluoromethane | 5 | E | 547 | 430 | -117 | 1.271 |
| CFCl3 | Trichloromonofluoromethane | 6 | E | 241 | 192 | -49 | 1.254 |
| CFCl3 | Trichloromonofluoromethane | 3 | A1 | 350 | 282 | -68 | 1.243 |
| CF2Cl2 | difluorodichloromethane | 3 | A1 | 458 | 373 | -85 | 1.226 |
| CF2Cl2 | difluorodichloromethane | 9 | B2 | 446 | 349 | -97 | 1.280 |
| CF2Cl2 | difluorodichloromethane | 4 | A1 | 262 | 199 | -63 | 1.316 |
| CF2Cl2 | difluorodichloromethane | 5 | A2 | 322 | 247 | -75 | 1.301 |
| CF2Cl2 | difluorodichloromethane | 7 | B1 | 437 | 357 | -80 | 1.224 |
| CF3Cl | Methane, chlorotrifluoro- | 3 | A1 | 476 | 370 | -106 | 1.286 |
| CF3Cl | Methane, chlorotrifluoro- | 5 | E | 563 | 436 | -127 | 1.291 |
| CF3Cl | Methane, chlorotrifluoro- | 6 | E | 350 | 259 | -91 | 1.352 |
| CF3Cl | Methane, chlorotrifluoro- | 2 | A1 | 781 | 643 | -138 | 1.215 |
| CF4 | Carbon tetrafluoride | 2 | E | 435 | 318 | -117 | 1.369 |
| CF4 | Carbon tetrafluoride | 4 | T2 | 631 | 475 | -156 | 1.329 |
| CHOCH(CH3)CH3 | Propanal, 2-methyl- | 16 | A' | 632 | 479 | -153 | 1.319 |
| CHOCH(CH3)CH3 | Propanal, 2-methyl- | 32 | A" | 227 | 183 | -44 | 1.241 |
| CHOCH(CH3)CH3 | Propanal, 2-methyl- | 31 | A" | 351 | 282 | -69 | 1.246 |
| CHOCH(CH3)CH3 | Propanal, 2-methyl- | 17 | A' | 395 | 306 | -89 | 1.292 |
| CH2ClCHClCH3 | Propane, 1,2-dichloro- | 25 | A | 250 | 203 | -47 | 1.234 |
| CHClCCl2 | Trichloroethylene | 9 | A' | 178 | 128 | -50 | 1.386 |
| CHClCCl2 | Trichloroethylene | 8 | A' | 277 | 229 | -48 | 1.212 |
| C6H5NO2 | Nitrobenzene | 36 | B2 | 265 | 165 | -100 | 1.605 |
| C6H5NO2 | Nitrobenzene | 11 | A1 | 851 | 705 | -146 | 1.207 |
| C6H5NO2 | Nitrobenzene | 13 | A1 | 399 | 316 | -83 | 1.262 |
| C6H5NO2 | Nitrobenzene | 35 | B2 | 531 | 428 | -103 | 1.241 |
| C6H5NO2 | Nitrobenzene | 22 | B1 | 675 | 543 | -132 | 1.243 |
| C6H5NO2 | Nitrobenzene | 24 | B1 | 180 | 147 | -33 | 1.228 |
| C6H5CHO | benzaldehyde | 25 | A' | 224 | 167 | -57 | 1.338 |
| C6H4O2 | parabenzoquinone | 30 | B3u | 109 | 76 | -33 | 1.433 |
| C6H4O2 | parabenzoquinone | 27 | B3g | 476 | 396 | -80 | 1.202 |
| CH2ClCH2Cl | Ethane, 1,2-dichloro- | 18 | Bu | 222 | 184 | -38 | 1.209 |
| CH2ClCH2Cl | Ethane, 1,2-dichloro- | 10 | Au | 123 | 97 | -26 | 1.267 |
| C3H3N | acrylonitrile | 15 | A" | 362 | 300 | -62 | 1.208 |
| C3H6O | 2-Propen-1-ol | 22 | A | 377 | 288 | -90 | 1.312 |
| C3H6O | 2-Propen-1-ol | 24 | A | 188 | 78 | -110 | 2.417 |
| C3H6O | 2-Propen-1-ol | 21 | A | 554 | 388 | -166 | 1.428 |
| C2H2O2 | Ethanedial | 12 | Bu | 339 | 281 | -58 | 1.208 |
| CH3OCHO | methyl formate | 16 | A" | 1032 | 841 | -191 | 1.227 |
| C5H12 | Pentane | 23 | A2 | 131 | 99 | -32 | 1.320 |
| C3H2N2 | Malononitrile | 6 | A1 | 167 | 128 | -39 | 1.309 |
| C4H4N2 | Succinonitrile | 17 | Bg | 387 | 320 | -67 | 1.208 |
| C6H12 | Cyclohexane | 6 | A1g | 383 | 318 | -65 | 1.204 |
| C6H12 | Cyclohexane | 32 | Eu | 248 | 197 | -51 | 1.258 |
| C3H6O3 | 1,3,5-Trioxane | 7 | A1 | 476 | 386 | -90 | 1.234 |
| C3H6O3 | 1,3,5-Trioxane | 20 | E | 307 | 253 | -54 | 1.214 |
| C3H6O3 | 1,3,5-Trioxane | 6 | A1 | 749 | 618 | -131 | 1.211 |
| C5H11N | Piperidine | 45 | A" | 254 | 209 | -45 | 1.214 |
| CH2C(CH3)CH3 | 1-Propene, 2-methyl- | 21 | B1 | 196 | 153 | -43 | 1.285 |
| CH2C(CH3)CH3 | 1-Propene, 2-methyl- | 15 | A2 | 193 | 129 | -64 | 1.497 |
| C2F4 | Tetrafluoroethylene | 6 | B1u | 558 | 445 | -113 | 1.255 |
| C2F4 | Tetrafluoroethylene | 9 | B2u | 218 | 154 | -64 | 1.411 |
| C2F4 | Tetrafluoroethylene | 7 | B2g | 508 | 366 | -142 | 1.390 |
| C2F4 | Tetrafluoroethylene | 3 | Ag | 394 | 316 | -78 | 1.248 |
| C2F4 | Tetrafluoroethylene | 4 | Au | 190 | 156 | -34 | 1.215 |
| CH3CH2CHO | Propanal | 15 | A' | 271 | 201 | -70 | 1.349 |
| CH3CH2CHO | Propanal | 23 | A" | 220 | 182 | -38 | 1.211 |
| CH3CH2CHO | Propanal | 24 | A" | 135 | 82 | -53 | 1.654 |
| C4H9N | Pyrrolidine | 19 | A' | 299 | 245 | -54 | 1.218 |
| C4H8O2 | 1,4-Dioxane | 10 | Ag | 424 | 352 | -72 | 1.204 |
| C4H8O2 | 1,4-Dioxane | 19 | Au | 288 | 201 | -87 | 1.435 |
| CO2 | Carbon dioxide | 3 | Πu | 667 | 440 | -227 | 1.514 |
| C2Cl4 | Tetrachloroethylene | 4 | Au | 110 | 89 | -21 | 1.229 |
| C5H8 | Cyclopentene | 18 | A' | 254 | 60 | -194 | 4.244 |
| C5H8 | Cyclopentene | 15 | A' | 904 | 753 | -151 | 1.201 |
| CHClCHCl | Ethene, 1,2-dichloro-, (Z)- | 5 | A1 | 173 | 125 | -48 | 1.382 |
| CHClCHCl | Ethene, 1,2-dichloro-, (E)- | 12 | Bu | 250 | 197 | -53 | 1.269 |
| C4H8 | cyclobutane | 6 | A1 | 199 | 100 | -99 | 1.990 |
| C3H4N2 | 1H-Pyrazole | 21 | A" | 516 | 401 | -115 | 1.286 |
| C3H3NO | Isoxazole | 14 | A" | 1033 | 824 | -209 | 1.254 |
| C3H3NO | Isoxazole | 7 | A' | 1373 | 1141 | -232 | 1.204 |
| C3H4N2 | 1H-Imidazole | 21 | A" | 539 | 437 | -102 | 1.234 |
| C2H3N3 | 1H-1,2,4-Triazole | 14 | A" | 990 | 789 | -201 | 1.255 |
| C2H3N3 | 1H-1,2,4-Triazole | 18 | A" | 640 | 429 | -211 | 1.490 |
| CH2N4 | 1H-Tetrazole | 15 | A" | 578 | 437 | -141 | 1.323 |
| CH2N4 | 1H-Tetrazole | 12 | A" | 906 | 744 | -162 | 1.217 |
| C2H4O3 | trioxolane124 | 21 | B | 193 | 94 | -99 | 2.055 |
| C4H4N2 | Pyridazine | 13 | A2 | 421 | 317 | -104 | 1.330 |
| N2H4 | Hydrazine | 7 | A | 377 | 310 | -67 | 1.216 |
| CH2NN | diazomethane | 9 | B2 | 420 | 318 | -102 | 1.319 |
| C2H5F | fluoroethane | 18 | A" | 243 | 190 | -53 | 1.279 |
| COFCl | Carbonic chloride fluoride | 6 | A" | 667 | 515 | -152 | 1.295 |
| COFCl | Carbonic chloride fluoride | 4 | A' | 501 | 409 | -92 | 1.224 |
| COFCl | Carbonic chloride fluoride | 5 | A' | 415 | 326 | -89 | 1.272 |
| CF2O | Carbonic difluoride | 3 | A1 | 584 | 441 | -143 | 1.324 |
| CF2O | Carbonic difluoride | 4 | B1 | 774 | 563 | -211 | 1.376 |
| CF2O | Carbonic difluoride | 6 | B2 | 626 | 479 | -147 | 1.306 |
| CF3CN | Acetonitrile, trifluoro- | 8 | E | 196 | 142 | -54 | 1.383 |
| CF3CN | Acetonitrile, trifluoro- | 7 | E | 463 | 361 | -102 | 1.281 |
| CF3CN | Acetonitrile, trifluoro- | 2 | A1 | 1227 | 991 | -236 | 1.238 |
| CF3CN | Acetonitrile, trifluoro- | 4 | A1 | 522 | 401 | -121 | 1.300 |
| NH2CN | cyanamide | 9 | A" | 435 | 350 | -85 | 1.243 |
| NH2CN | cyanamide | 6 | A' | 487 | 399 | -88 | 1.221 |
| HOCN | cyanic acid | 5 | A' | 460 | 363 | -97 | 1.268 |
| CH3CF3 | Ethane, 1,1,1-trifluoro- | 11 | E | 540 | 426 | -114 | 1.266 |
| CH3CF3 | Ethane, 1,1,1-trifluoro- | 5 | A1 | 606 | 474 | -132 | 1.279 |
| CH3CF3 | Ethane, 1,1,1-trifluoro- | 6 | A2 | 225 | 123 | -102 | 1.830 |
| CH3CF3 | Ethane, 1,1,1-trifluoro- | 12 | E | 365 | 286 | -79 | 1.275 |
| C4H6O2 | 2,3-Butanedione | 10 | Ag | 369 | 298 | -71 | 1.238 |
| C4H6O2 | 2,3-Butanedione | 30 | Bu | 250 | 176 | -74 | 1.418 |
| C4H6O2 | 2,3-Butanedione | 21 | Bg | 240 | 101 | -139 | 2.373 |
| C4H6O2 | 2,3-Butanedione | 9 | Ag | 614 | 465 | -149 | 1.320 |
| CH2CO | Ketene | 6 | B1 | 528 | 417 | -111 | 1.267 |
| OCS | Carbonyl sulfide | 3 | Π | 520 | 405 | -115 | 1.285 |
| C3O2 | Carbon suboxide | 7 | Πu | 61 | 116 | 55 | 0.527 |
| C3O2 | Carbon suboxide | 5 | Πg | 573 | 459 | -114 | 1.250 |
| CH3COF | Acetyl fluoride | 9 | A' | 598 | 493 | -105 | 1.213 |
| CH3COF | Acetyl fluoride | 15 | A" | 123 | 74 | -49 | 1.664 |
| CH3COF | Acetyl fluoride | 10 | A' | 420 | 343 | -77 | 1.223 |
| CH2CHCHClCH3 | 1-Butene, 3-chloro- | 29 | A | 245 | 203 | -42 | 1.209 |
| C5H8 | 1,4-Pentadiene | 31 | B | 721 | 565 | -156 | 1.277 |
| C5H8 | 1,4-Pentadiene | 33 | B | 331 | 82 | -249 | 4.055 |
| C5H8 | 1,4-Pentadiene | 15 | A | 421 | 333 | -88 | 1.264 |
| C5H8 | 1,4-Pentadiene | 17 | A | 102 | 69 | -33 | 1.476 |
| C5H8 | 1,4-Pentadiene | 16 | A | 137 | 262 | 125 | 0.522 |
| C5H8 | 1,2-Pentadiene | 33 | A" | 103 | 82 | -21 | 1.262 |
| C6H10 | 1,5-Hexadiene | 41 | Bu | 552 | 459 | -93 | 1.203 |
| C6H10 | 1,5-Hexadiene | 29 | Bg | 264 | 162 | -102 | 1.626 |
| C6H10 | 1,5-Hexadiene | 14 | Ag | 351 | 244 | -107 | 1.438 |
| COBr2 | Carbonic dibromide | 6 | B2 | 512 | 339 | -173 | 1.512 |
| COBr2 | Carbonic dibromide | 4 | B1 | 757 | 450 | -307 | 1.683 |
| CH3NO3 | Methyl nitrate | 11 | A' | 578 | 430 | -148 | 1.344 |
| CH3NO3 | Methyl nitrate | 10 | A' | 657 | 515 | -142 | 1.277 |
| CH3NO3 | Methyl nitrate | 12 | A' | 340 | 267 | -73 | 1.274 |
| CH3NO3 | Methyl nitrate | 16 | A" | 758 | 498 | -260 | 1.521 |
| CH3ONO | Methyl nitrite | 15 | A" | 186 | 145 | -41 | 1.284 |
| CH3SSCH3 | Disulfide, dimethyl | 13 | A | 117 | 95 | -22 | 1.237 |
| C6H8 | 1,4-Cyclohexadiene | 19 | B1u | 108 | 83 | -25 | 1.303 |
| CO+ | carbon monoxide cation | 1 | Σ | 2214 | 1812 | -402 | 1.222 |
| C3H6O2 | 1,3-Dioxolane | 5 | A | 1480 | 2911 | 1431 | 0.508 |
| C3H6O2 | 1,3-Dioxolane | 4 | A | 1509 | 2916 | 1407 | 0.518 |
| C3H6O2 | 1,3-Dioxolane | 6 | A | 1361 | 2814 | 1453 | 0.484 |
| C3H6O2 | 1,3-Dioxolane | 13 | A | 658 | 1169 | 511 | 0.563 |
| C2F2 | difluoroacetylene | 4 | Πg | 270 | 100 | -170 | 2.696 |
| C6H10 | 2-Hexyne | 25 | A' | 115 | 93 | -22 | 1.232 |
| C6H10 | 2-Hexyne | 41 | A" | 88 | 70 | -18 | 1.258 |
| C4H2N2 | Fumaronitrile | 18 | Bu | 148 | 118 | -30 | 1.252 |
| C3H7N | Cyclopropylamine | 27 | A" | 254 | 207 | -47 | 1.229 |
| C6H8 | 1,3,5-Hexatriene, (E)- | 36 | Bu | 170 | 130 | -40 | 1.306 |
| C6H8 | 1,3,5-Hexatriene, (E)- | 35 | Bu | 590 | 481 | -109 | 1.226 |
| C4N2 | 2-Butynedinitrile | 3 | Σg | 692 | 546 | -146 | 1.266 |
| GeO2 | Germanium dioxide | 2 | Σu | 1062 | 796 | -265 | 1.333 |
| GeO2 | Germanium dioxide | 3 | Πu | 196 | 115 | -80 | 1.700 |
| LiOH | lithium hydroxide | 3 | Π | 257 | 655 | 398 | 0.392 |
| FCN | Cyanogen fluoride | 3 | Π | 451 | 370 | -81 | 1.217 |
| Si2H6 | disilane | 4 | A1u | 131 | 102 | -29 | 1.283 |
| CCl2 | dichloromethylene | 2 | A1 | 335 | 268 | -67 | 1.250 |
| C5H10 | Cyclopropane, 1,1-dimethyl- | 39 | B2 | 392 | 313 | -79 | 1.253 |
| CH3OCH2CN | Methoxyacetonitrile | 15 | A' | 243 | 154 | -89 | 1.580 |
| CH3OCH2CN | Methoxyacetonitrile | 24 | A" | 113 | 82 | -31 | 1.379 |
| CH3OCH2CN | Methoxyacetonitrile | 13 | A' | 586 | 483 | -103 | 1.212 |
| C5H8 | 1,3-Pentadiene, (E)- | 22 | A' | 212 | 176 | -36 | 1.206 |
| C5H8 | 1,3-Pentadiene, (E)- | 31 | A" | 361 | 232 | -129 | 1.554 |
| C2H5 | Ethyl radical | 9 | A' | 528 | 391 | -137 | 1.351 |
| C6H5O | phenoxy radical | 30 | B2 | 446 | 361 | -85 | 1.237 |
| C6H5O | phenoxy radical | 6 | A1 | 1397 | 1132 | -265 | 1.234 |
| C2H | Ethynyl radical | 3 | Π | 372 | 534 | 163 | 0.695 |
| CF2 | Difluoromethylene | 2 | A1 | 667 | 552 | -115 | 1.207 |
| CF3 | Trifluoromethyl radical | 2 | A1 | 701 | 540 | -161 | 1.298 |
| CF3 | Trifluoromethyl radical | 4 | E | 509 | 398 | -110 | 1.277 |
| C4H9N | Cyclobutylamine | 21 | A' | 174 | 105 | -69 | 1.656 |
| C4H9N | Cyclobutylamine | 36 | A" | 240 | 197 | -43 | 1.217 |
| SF6 | Sulfur Hexafluoride | 6 | T2u | 347 | 202 | -145 | 1.715 |
| SF6 | Sulfur Hexafluoride | 1 | A1g | 774 | 565 | -208 | 1.368 |
| SF6 | Sulfur Hexafluoride | 4 | T1u | 616 | 349 | -267 | 1.765 |
| SF6 | Sulfur Hexafluoride | 5 | T2g | 525 | 290 | -235 | 1.813 |
| CH2OH | Hydroxymethyl radical | 9 | A | 234 | 494 | 260 | 0.473 |
| C6H8 | 1,3,5-Hexatriene, (Z)- | 24 | B1 | 358 | 87 | -271 | 4.126 |
| C6H8 | 1,3,5-Hexatriene, (Z)- | 11 | A1 | 1136 | 833 | -303 | 1.363 |
| C6H8 | 1,3,5-Hexatriene, (Z)- | 19 | A2 | 264 | 137 | -127 | 1.923 |
| SO2F2 | Sulfuryl fluoride | 1 | A1 | 1269 | 835 | -434 | 1.521 |
| SO2F2 | Sulfuryl fluoride | 3 | A1 | 544 | 260 | -284 | 2.089 |
| SO2F2 | Sulfuryl fluoride | 6 | B1 | 885 | 650 | -235 | 1.362 |
| SO2F2 | Sulfuryl fluoride | 9 | B2 | 553 | 276 | -277 | 2.006 |
| SO2F2 | Sulfuryl fluoride | 4 | A1 | 385 | 189 | -196 | 2.034 |
| SO2F2 | Sulfuryl fluoride | 2 | A1 | 848 | 610 | -238 | 1.390 |
| SO2F2 | Sulfuryl fluoride | 5 | A2 | 388 | 190 | -198 | 2.045 |
| SO2F2 | Sulfuryl fluoride | 7 | B1 | 539 | 245 | -294 | 2.199 |
| SO2F2 | Sulfuryl fluoride | 8 | B2 | 1502 | 950 | -552 | 1.580 |
| C4H8O | Cyclobutanol | 20 | A' | 170 | 124 | -46 | 1.366 |
| C3H3 | Propargyl radical | 6 | B1 | 687 | 533 | -154 | 1.289 |
| OH | Hydroxyl radical | 1 | Σ | 3738 | 3192 | -546 | 1.171 |
| NF2 | Difluoroamino radical | 2 | A1 | 573 | 476 | -97 | 1.203 |
| CCl+ | carbon monochloride cation | 1 | Σ | 1175 | 940 | -235 | 1.250 |
| CHOCHCHCH3 | 2-Butenal | 18 | A' | 230 | 174 | -56 | 1.322 |
| C4H6 | Methylenecyclopropane | 17 | B1 | 360 | 288 | -72 | 1.249 |
| SeO2 | Selenium dioxide | 2 | A1 | 373 | 283 | -89 | 1.315 |
| SeO2 | Selenium dioxide | 3 | B2 | 966 | 740 | -225 | 1.304 |
| SeO2 | Selenium dioxide | 1 | A1 | 922 | 726 | -196 | 1.271 |
| SO2 | Sulfur dioxide | 3 | B2 | 1362 | 952 | -410 | 1.430 |
| SO2 | Sulfur dioxide | 1 | A1 | 1151 | 895 | -257 | 1.287 |
| SO2 | Sulfur dioxide | 2 | A1 | 518 | 366 | -152 | 1.415 |
| SO3 | Sulfur trioxide | 1 | A1' | 1065 | 712 | -353 | 1.497 |
| SO3 | Sulfur trioxide | 2 | A2" | 498 | 163 | -335 | 3.051 |
| SO3 | Sulfur trioxide | 3 | E' | 1391 | 918 | -473 | 1.516 |
| SO3 | Sulfur trioxide | 4 | E' | 530 | 252 | -278 | 2.102 |
| C2Cl2+ | dichloroacetylene cation | 5 | Πu | 233 | 158 | -75 | 1.477 |
| ClFO3 | Perchloryl fluoride | 3 | A1 | 549 | 171 | -378 | 3.211 |
| ClFO3 | Perchloryl fluoride | 5 | E | 589 | 178 | -411 | 3.310 |
| ClFO3 | Perchloryl fluoride | 6 | E | 405 | 132 | -273 | 3.063 |
| ClFO3 | Perchloryl fluoride | 1 | A1 | 1061 | 539 | -522 | 1.968 |
| ClFO3 | Perchloryl fluoride | 4 | E | 1315 | 615 | -700 | 2.140 |
| ClFO3 | Perchloryl fluoride | 2 | A1 | 715 | 416 | -299 | 1.720 |
| SiO2 | silicon dioxide | 2 | Σu | 1416 | 1166 | -250 | 1.215 |
| SiO2 | silicon dioxide | 3 | Πu | 273 | 108 | -164 | 2.515 |
| BF3 | Borane, trifluoro- | 2 | A2" | 691 | 561 | -130 | 1.232 |
| BF3+ | boron trifluoride cation | 3 | E' | 1662 | 586 | -1075 | 2.833 |
| BF3+ | boron trifluoride cation | 4 | E' | 411 | -334 | -745 | -1.230 |
| NaH | sodium hydride | 1 | Σ | 1172 | 1787 | 615 | 0.656 |
| HCl+ | hydrogen chloride cation | 1 | Σ | 2674 | 2253 | -420 | 1.187 |
| PF5 | Phosphorus pentafluoride | 1 | A1' | 816 | 612 | -204 | 1.334 |
| PF5 | Phosphorus pentafluoride | 7 | E' | 174 | 81 | -93 | 2.136 |
| PF5 | Phosphorus pentafluoride | 4 | A2" | 575 | 377 | -198 | 1.524 |
| PF5 | Phosphorus pentafluoride | 5 | E' | 1024 | 826 | -198 | 1.240 |
| PF5 | Phosphorus pentafluoride | 8 | E" | 520 | 330 | -190 | 1.578 |
| PF5 | Phosphorus pentafluoride | 6 | E' | 533 | 342 | -191 | 1.558 |
| HF | Hydrogen fluoride | 1 | Σ | 4138 | 3473 | -666 | 1.192 |
| H2SO4 | Sulfuric acid | 7 | A | 379 | 171 | -207 | 2.212 |
| H2SO4 | Sulfuric acid | 11 | B | 1157 | 910 | -246 | 1.271 |
| H2SO4 | Sulfuric acid | 13 | B | 558 | 261 | -297 | 2.136 |
| H2SO4 | Sulfuric acid | 3 | A | 1136 | 809 | -327 | 1.405 |
| H2SO4 | Sulfuric acid | 5 | A | 548 | 265 | -283 | 2.067 |
| H2SO4 | Sulfuric acid | 12 | B | 882 | 615 | -267 | 1.434 |
| H2SO4 | Sulfuric acid | 4 | A | 831 | 575 | -256 | 1.445 |
| H2SO4 | Sulfuric acid | 15 | B | 288 | 208 | -80 | 1.382 |
| H2SO4 | Sulfuric acid | 14 | B | 506 | 247 | -259 | 2.049 |
| H2SO4 | Sulfuric acid | 6 | A | 422 | 236 | -186 | 1.790 |
| H2SO4 | Sulfuric acid | 8 | A | 224 | 140 | -84 | 1.605 |
| H2SO4 | Sulfuric acid | 10 | B | 1452 | 1159 | -294 | 1.254 |
| MgH2 | magnesium dihydride | 2 | Σu | 1572 | 2091 | 519 | 0.752 |
| HNO3 | Nitric acid | 8 | A" | 762 | 501 | -261 | 1.520 |
| HNO3 | Nitric acid | 6 | A' | 647 | 469 | -178 | 1.381 |
| HNO3 | Nitric acid | 7 | A' | 579 | 375 | -204 | 1.544 |
| SOCl2 | thionyl chloride | 4 | A' | 194 | 121 | -73 | 1.606 |
| SOCl2 | thionyl chloride | 3 | A' | 344 | 270 | -74 | 1.276 |
| SOCl2 | thionyl chloride | 1 | A' | 1251 | 1029 | -222 | 1.216 |
| SOCl2 | thionyl chloride | 6 | A" | 284 | 226 | -58 | 1.258 |
| PCl3 | Phosphorus trichloride | 4 | E | 198 | 155 | -43 | 1.276 |
| H2O2 | Hydrogen peroxide | 4 | A | 371 | 121 | -250 | 3.060 |
| H2O | Water | 1 | A1 | 3657 | 3235 | -422 | 1.130 |
| HN3 | hydrogen azide | 5 | A' | 534 | 376 | -159 | 1.422 |
| HN3 | hydrogen azide | 6 | A" | 607 | 425 | -182 | 1.429 |
| NF3 | Nitrogen trifluoride | 2 | A1 | 647 | 526 | -121 | 1.230 |
| NF3 | Nitrogen trifluoride | 4 | E | 492 | 382 | -110 | 1.286 |
| PF3 | Phosphorus trifluoride | 4 | E | 344 | 276 | -68 | 1.245 |
| PF3 | Phosphorus trifluoride | 2 | A1 | 487 | 371 | -116 | 1.314 |
| SF4 | Sulfur tetrafluoride | 1 | A1 | 892 | 671 | -221 | 1.329 |
| SF4 | Sulfur tetrafluoride | 3 | A1 | 532 | 350 | -182 | 1.521 |
| SF4 | Sulfur tetrafluoride | 9 | B2 | 475 | 337 | -138 | 1.409 |
| SF4 | Sulfur tetrafluoride | 4 | A1 | 228 | 87 | -141 | 2.613 |
| SiF4 | Silicon tetrafluoride | 1 | A1 | 800 | 618 | -182 | 1.295 |
| SiF4 | Silicon tetrafluoride | 4 | T2 | 389 | 279 | -110 | 1.393 |
| SiF4 | Silicon tetrafluoride | 2 | E | 268 | 195 | -73 | 1.373 |
| AlF3 | Aluminum trifluoride | 2 | A2" | 297 | 206 | -91 | 1.439 |
| AlF3 | Aluminum trifluoride | 4 | E' | 263 | 202 | -61 | 1.304 |
| AsF5 | Arsenic pentafluoride | 1 | A1' | 734 | 576 | -158 | 1.275 |
| AsF5 | Arsenic pentafluoride | 7 | E' | 123 | 56 | -67 | 2.212 |
| AsF5 | Arsenic pentafluoride | 2 | A1' | 644 | 532 | -112 | 1.211 |
| AsF5 | Arsenic pentafluoride | 5 | E' | 811 | 635 | -176 | 1.276 |
| AsF5 | Arsenic pentafluoride | 6 | E' | 372 | 264 | -108 | 1.407 |
| AsF5 | Arsenic pentafluoride | 4 | A2" | 400 | 299 | -101 | 1.340 |
| AsF5 | Arsenic pentafluoride | 8 | E" | 386 | 283 | -103 | 1.364 |
| HSO3F | Fluorosulfonic acid | 6 | A | 823 | 585 | -238 | 1.406 |
| HSO3F | Fluorosulfonic acid | 8 | A | 551 | 259 | -292 | 2.129 |
| HSO3F | Fluorosulfonic acid | 2 | A | 1486 | 1134 | -352 | 1.310 |
| HSO3F | Fluorosulfonic acid | 4 | A | 1150 | 819 | -331 | 1.404 |
| HSO3F | Fluorosulfonic acid | 3 | A | 1243 | 927 | -316 | 1.341 |
| HSO3F | Fluorosulfonic acid | 5 | A | 896 | 634 | -262 | 1.414 |
| HSO3F | Fluorosulfonic acid | 10 | A | 409 | 235 | -174 | 1.744 |
| HSO3F | Fluorosulfonic acid | 9 | A | 518 | 247 | -271 | 2.097 |
| HSO3F | Fluorosulfonic acid | 11 | A | 390 | 177 | -213 | 2.207 |
| HSO3F | Fluorosulfonic acid | 7 | A | 562 | 261 | -301 | 2.154 |
| HSO3F | Fluorosulfonic acid | 12 | A | 266 | 161 | -105 | 1.652 |
| FNO | Nitrosyl fluoride | 1 | A' | 1844 | 1472 | -372 | 1.252 |
| FNO3 | Fluorine nitrate | 7 | A' | 303 | 233 | -70 | 1.301 |
| FNO3 | Fluorine nitrate | 9 | A" | 152 | 126 | -26 | 1.202 |
| FNO3 | Fluorine nitrate | 8 | A" | 709 | 465 | -244 | 1.524 |
| ClF3 | Chlorine trifluoride | 4 | B1 | 328 | 182 | -146 | 1.803 |
| ClF3 | Chlorine trifluoride | 1 | A1 | 752 | 562 | -190 | 1.339 |
| ClF3 | Chlorine trifluoride | 6 | B2 | 442 | 298 | -144 | 1.484 |
| ClF3 | Chlorine trifluoride | 3 | A1 | 328 | 259 | -69 | 1.264 |
| SO2Cl2 | Sulfuryl chloride | 1 | A1 | 1205 | 848 | -357 | 1.421 |
| SO2Cl2 | Sulfuryl chloride | 3 | A1 | 408 | 240 | -168 | 1.701 |
| SO2Cl2 | Sulfuryl chloride | 6 | B1 | 586 | 401 | -185 | 1.460 |
| SO2Cl2 | Sulfuryl chloride | 9 | B2 | 362 | 211 | -151 | 1.718 |
| SO2Cl2 | Sulfuryl chloride | 2 | A1 | 577 | 391 | -186 | 1.474 |
| SO2Cl2 | Sulfuryl chloride | 4 | A1 | 218 | 110 | -108 | 1.984 |
| SO2Cl2 | Sulfuryl chloride | 5 | A2 | 282 | 155 | -127 | 1.815 |
| SO2Cl2 | Sulfuryl chloride | 7 | B1 | 388 | 213 | -175 | 1.820 |
| SO2Cl2 | Sulfuryl chloride | 8 | B2 | 1434 | 952 | -482 | 1.507 |
| NH2OH | hydroxylamine | 9 | A" | 386 | 206 | -180 | 1.875 |
| N2O | Nitrous oxide | 3 | Π | 589 | 394 | -195 | 1.494 |
| NCl3 | nitrogen trichloride | 4 | E | 257 | 209 | -48 | 1.230 |
| Cl3PO | Phosphoryl chloride | 3 | A1 | 266 | 187 | -79 | 1.420 |
| Cl3PO | Phosphoryl chloride | 4 | E | 590 | 487 | -103 | 1.211 |
| Cl3PO | Phosphoryl chloride | 1 | A1 | 1322 | 1077 | -245 | 1.228 |
| Cl3PO | Phosphoryl chloride | 5 | E | 333 | 225 | -108 | 1.479 |
| Cl3PO | Phosphoryl chloride | 6 | E | 187 | 128 | -59 | 1.458 |
| SiCl4 | Silane, tetrachloro- | 4 | T2 | 221 | 183 | -38 | 1.208 |
| SiCl4 | Silane, tetrachloro- | 2 | E | 150 | 122 | -28 | 1.227 |
| PCl5 | Phosphorus pentachloride | 6 | E' | 273 | 209 | -64 | 1.308 |
| PCl5 | Phosphorus pentachloride | 8 | E" | 261 | 196 | -65 | 1.331 |
| PCl5 | Phosphorus pentachloride | 2 | A1' | 370 | 302 | -68 | 1.227 |
| PCl5 | Phosphorus pentachloride | 4 | A2" | 299 | 232 | -67 | 1.288 |
| PCl5 | Phosphorus pentachloride | 7 | E' | 100 | 60 | -40 | 1.665 |
| O3 | Ozone | 2 | A1 | 705 | 552 | -153 | 1.277 |
| H3BO3 | Boric acid | 4 | A" | 666 | 544 | -123 | 1.225 |
| H3BO3 | Boric acid | 9 | E' | 432 | 355 | -77 | 1.216 |
| OClO | Chlorine dioxide | 2 | A1 | 448 | 221 | -227 | 2.026 |
| OClO | Chlorine dioxide | 3 | B2 | 1110 | 630 | -480 | 1.762 |
| OClO | Chlorine dioxide | 1 | A1 | 946 | 660 | -286 | 1.433 |
| NO2 | Nitrogen dioxide | 2 | A1 | 750 | 559 | -191 | 1.342 |
| N2O4 | Dinitrogen tetroxide | 6 | B1u | 755 | 549 | -206 | 1.375 |
| N2O4 | Dinitrogen tetroxide | 12 | B3u | 425 | 279 | -146 | 1.522 |
| N2O4 | Dinitrogen tetroxide | 2 | Ag | 807 | 659 | -148 | 1.224 |
| N2O4 | Dinitrogen tetroxide | 7 | B2g | 657 | 460 | -197 | 1.427 |
| N2O4 | Dinitrogen tetroxide | 9 | B2u | 265 | 76 | -189 | 3.504 |
| N2O4 | Dinitrogen tetroxide | 4 | Au | 82 | 67 | -15 | 1.216 |
| N2O4 | Dinitrogen tetroxide | 11 | B3g | 480 | 366 | -114 | 1.313 |
| N2O3 | Dinitrogen trioxide | 4 | A' | 773 | 639 | -134 | 1.210 |
| N2O3 | Dinitrogen trioxide | 9 | A" | 63 | 124 | 61 | 0.508 |
| NaK | Sodium Potassium | 1 | Σ | 124 | 243 | 119 | 0.511 |
| Li2O | dilithium oxide | 3 | Πu | 112 | 174 | 62 | 0.643 |
| C3 | carbon trimer | 3 | Πu | 63 | 144 | 81 | 0.439 |
| C4 | Carbon tetramer | 4 | Πg | 323 | 241 | -82 | 1.342 |
| C4 | Carbon tetramer | 5 | Πu | 160 | 125 | -35 | 1.282 |
| ClNO2 | Nitryl chloride | 4 | B1 | 652 | 464 | -188 | 1.405 |
| ClNO2 | Nitryl chloride | 6 | B2 | 408 | 312 | -96 | 1.307 |
| ClNO2 | Nitryl chloride | 2 | A1 | 793 | 629 | -164 | 1.261 |
| F3PO | Phosphoryl fluoride | 6 | E | 336 | 197 | -139 | 1.704 |
| F3PO | Phosphoryl fluoride | 1 | A1 | 1417 | 1066 | -351 | 1.329 |
| F3PO | Phosphoryl fluoride | 3 | A1 | 472 | 305 | -167 | 1.546 |
| F3PO | Phosphoryl fluoride | 4 | E | 991 | 775 | -216 | 1.279 |
| F3PO | Phosphoryl fluoride | 5 | E | 482 | 265 | -217 | 1.817 |
| F3PO | Phosphoryl fluoride | 2 | A1 | 873 | 644 | -229 | 1.356 |
| CuH | Copper monohydride | 1 | Σ | 1941 | 1505 | -436 | 1.289 |
| NH2- | amino anion | 1 | A1 | 3122 | 2569 | -553 | 1.215 |
| NH2- | amino anion | 3 | B2 | 3190 | 2673 | -517 | 1.194 |
| NH | Imidogen | 1 | Σ | 3283 | 2880 | -402 | 1.140 |
| N2F2 | Dinitrogen difluoride, (E)- | 6 | Bu | 423 | 320 | -103 | 1.324 |
| N2F2 | Dinitrogen difluoride, (E)- | 1 | Ag | 1523 | 1192 | -331 | 1.277 |
| N2F2 | Dinitrogen difluoride, (E)- | 4 | Au | 364 | 289 | -75 | 1.260 |
| AlF2Cl | Aluminum chloride difluoride | 4 | B1 | 260 | 200 | -60 | 1.299 |
| AlF2Cl | Aluminum chloride difluoride | 3 | A1 | 250 | 197 | -53 | 1.269 |
| CaF | Calcuium monofluoride | 1 | Σ | 581 | 424 | -157 | 1.369 |
| SO+ | sulfur monoxide cation | 1 | Σ | 1360 | 1126 | -234 | 1.208 |
| H3O+ | hydronium | 2 | A1 | 954 | 784 | -170 | 1.218 |
| DF | Hydrofluoric acid-d | 1 | Σ | 2998 | 2518 | -481 | 1.191 |
| ClONO2 | Chlorine nitrate | 6 | A' | 434 | 355 | -79 | 1.221 |
| ClONO2 | Chlorine nitrate | 8 | A" | 711 | 479 | -232 | 1.485 |
| ClONO2 | Chlorine nitrate | 7 | A' | 273 | 191 | -82 | 1.431 |
| ClONO2 | Chlorine nitrate | 9 | A" | 124 | 92 | -32 | 1.345 |
| FO2 | Dioxygen monofluoride | 1 | A' | 1487 | 1189 | -298 | 1.251 |
| FO2 | Dioxygen monofluoride | 2 | A' | 579 | 996 | 417 | 0.581 |
| ClOO | chloroperoxy radical | 3 | A' | 201 | 320 | 119 | 0.629 |
| PN+ | phosphorus nitride cation | 1 | Σ | 1200 | 981 | -219 | 1.224 |
| SSO | Disulfur monoxide | 1 | A' | 1166 | 921 | -245 | 1.266 |
| SSO | Disulfur monoxide | 3 | A' | 380 | 296 | -84 | 1.282 |
| OBrO | OBrO | 2 | A1 | 312 | 209 | -104 | 1.496 |
| OBrO | OBrO | 3 | B2 | 849 | 603 | -246 | 1.408 |
| OBrO | OBrO | 1 | A1 | 799 | 625 | -175 | 1.280 |
| NCO | isocyanato radical | 1 | Σ | 1921 | 1520 | -401 | 1.264 |
| NCO | isocyanato radical | 3 | Π | 535 | 409 | -127 | 1.311 |
| GeH2 | germylene | 1 | A1 | 1856 | 1095 | -761 | 1.695 |
| Na2 | Sodium diatomic | 1 | Σg | 159 | 427 | 268 | 0.372 |
| Mg2 | Magnesium diatomic | 1 | Σg | 51 | 261 | 210 | 0.196 |
| Al2 | Aluminum diatomic | 1 | Σg | 286 | 433 | 147 | 0.660 |
| ZnCH2 | Zinc methylene | 3 | A1 | 514 | 757 | 243 | 0.678 |
| ZnCH2 | Zinc methylene | 6 | B2 | 544 | 357 | -187 | 1.524 |