return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules

Compare Bonds

18 10 26 16 45

mPW1PW91/6-31G** for rCO

Histogram of Bond length differences (in Å) vs number of species


Differences greater than 0.070 are in the 0.070 bin. Differences less than -0.050 are in the -0.050 bin.

histogram chart 45
histogram chart 40 histogram chart
histogram chart 35 histogram chart histogram chart
histogram chart 30 histogram chart histogram chart
histogram chart 25 histogram chart histogram chart
histogram chart 20 histogram chart histogram chart
histogram chart 15 histogram chart histogram chart histogram chart
histogram chart 10 histogram chart histogram chart histogram chart histogram chart
histogram chart 5 histogram chart histogram chart histogram chart histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-0.050 -0.040 -0.030 -0.020 -0.010 0.000 0.010 0.020 0.030 0.040 0.050 0.060 0.070
bond length difference calc. - exp. (Å)

  Species Name Difference (Å)
Most negative difference C5H8O 2H-Pyran, 3,4-dihydro--0.048
Most positive difference C4H8O2 Ethyl acetate0.062

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C5H8O 2H-Pyran, 3,4-dihydro- 1.405 -0.048
CH3O Methoxy radical 1.405 -0.042
C5H12O Butane, 1-methoxy- 1.448 -0.041
C6H5OCH3 Anisole 1.399 -0.041
C6H5OCH3 Anisole 1.433 -0.025
CH3CH2O Ethoxy radical 1.388 -0.023
C4H8O2 1,3-Dioxane 1.439 -0.022
C3H5ClO Oxirane, (chloromethyl)- 1.442 -0.022
CF3COOH trifluoroacetic acid 1.353 -0.021
C4H6O Furan, 2,5-dihydro- 1.440 -0.021
C3H8O2 Methane, dimethoxy- 1.432 -0.020
HCO Formyl radical 1.198 -0.020
CH2CHOH ethenol 1.372 -0.019
CH3OH Methyl alcohol 1.427 -0.019
C3H6O3 1,3,5-Trioxane 1.421 -0.019
C2H2O4 Oxalic Acid 1.336 -0.019
C2H4O4 Formic acid dimer 1.320 -0.018
CH3CH2OH Ethanol 1.431 -0.017
C6H10O cyclohexanone 1.229 -0.017
CH3CH(NH2)COOH Alanine 1.347 -0.016
CH3OC2H5 Ethane, methoxy- 1.415 -0.014
C5H12O Butane, 1-methoxy- 1.415 -0.014
HOCH2COOH Hydroxyacetic acid 1.406 -0.014
HOCH2COOH Hydroxyacetic acid 1.349 -0.013
H2COO Dioxymethyl radical 1.272 -0.013
CH3COOH Acetic acid 1.361 -0.013
C3H6O 2-Propen-1-ol 1.428 -0.012
C3H6O Propylene oxide 1.436 -0.012
H2NCH2COOH Glycine 1.357 -0.012
HOCO+ Hydrocarboxyl cation 1.140 -0.011
C3H2O3 vinylene carbonate 1.385 -0.010
C3H8O2 Propylene glycol 1.420 -0.010
CF3OF Trifluoromethylhypofluorite 1.395 -0.010
CH3OCH3 Dimethyl ether 1.411 -0.010
CH3NO3 Methyl nitrate 1.437 -0.009
C2H6O2 1,2-Ethanediol 1.420 -0.009
CH3CHO Acetaldehyde 1.216 -0.009
C5H8O Methyl cyclopropyl ketone 1.225 -0.009
C3H7NO dimethylformamide 1.224 -0.008
C4H10O2 Ethane, 1,2-dimethoxy- 1.410 -0.008
C5H8O Cyclopentanone 1.215 -0.008
C5H10O 2H-Pyran, tetrahydro- 1.420 -0.008
CH3OCHO methyl formate 1.437 -0.008
CH3ONO Methyl nitrite 1.437 -0.007
C3H3NO Oxazole 1.357 -0.007
C4H4O Furan 1.362 -0.007
C3H3NO Oxazole 1.370 -0.007
CHOCHCHCH3 2-Butenal 1.219 -0.007
C2H2O2 Ethanedial 1.212 -0.007
FCO Carbonyl fluoride 1.180 -0.006
C2H4O Ethylene oxide 1.425 -0.006
CH2O2 Dioxirane 1.388 -0.006
CH3COOH Acetic acid 1.212 -0.005
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.416 -0.005
C6H5OH phenol 1.364 -0.005
C4H5NO 3-Methylisoxazole 1.342 -0.005
HCOOH Formic acid 1.343 -0.005
CH2CHCHO Acrolein 1.215 -0.004
NH2CONH2 Urea 1.221 -0.004
C4H8O2 1,3-Dioxolane, 2-methyl- 1.422 -0.004
C5H10O 2-Butanone, 3-methyl- 1.217 -0.004
C4H10O Ethoxy ethane 1.411 -0.004
C4H2O3 Maleic Anhydride 1.386 -0.003
CH2ClCHO chloroacetaldehyde 1.206 -0.003
H2CO Formaldehyde 1.205 -0.003
CH3CONH2 Acetamide 1.220 -0.003
C4H6O Cyclobutanone 1.202 -0.003
CH3CH2CHO Propanal 1.210 -0.002
C4H6O2 2,3-Butanedione 1.214 -0.002
CH3COCH3 Acetone 1.214 -0.002
CH3COCl Acetyl Chloride 1.187 -0.002
HCONHCH3 N-methylformamide 1.219 -0.002
C3H2O3 vinylene carbonate 1.191 -0.001
HCOOH Formic acid 1.202 -0.001
C4H10O Propane, 2-methoxy- 1.422 -0.000
C4H8O2 Ethyl acetate 1.345 -0.000
HOCH2COOH Hydroxyacetic acid 1.210 -0.000
OCSe Carbonyl selenide 1.159 0.000
CH3OCHO methyl formate 1.334 0.000
H2NCH2COOH Glycine 1.207 0.000
CH3OC2H5 Ethane, methoxy- 1.407 0.000
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.206 0.000
OCS Carbonyl sulfide 1.160 0.001
C3H2O3 vinylene carbonate 1.364 0.001
C5H4O2 4-Cyclopentene-1,3-dione 1.208 0.001
C4H5NO Isoxazole, 5-methyl- 1.342 0.001
CO+ carbon monoxide cation 1.115 0.001
C2H2O4 Oxalic Acid 1.205 0.001
C4H2O3 Maleic Anhydride 1.192 0.002
BH3CO Borane carbonyl 1.135 0.002
HFCO formyl fluoride 1.181 0.002
CHONH2 formamide 1.210 0.002
CCl2O Phosgene 1.177 0.002
ClCOClCO Oxalyl chloride 1.182 0.003
CF2O Carbonic difluoride 1.174 0.003
CH3OCHO methyl formate 1.200 0.003
CO2 Carbon dioxide 1.162 0.003
C5H8O 2H-Pyran, 3,4-dihydro- 1.420 0.004
COBr2 Carbonic dibromide 1.172 0.004
C4H8O2 Ethyl acetate 1.203 0.005
CH2CO Ketene 1.162 0.005
C4H8O2 1,3-Dioxane 1.393 0.005
CH3COF Acetyl fluoride 1.181 0.006
C2H4O4 Formic acid dimer 1.217 0.006
HNCO Isocyanic acid 1.164 0.006
CO Carbon monoxide 1.128 0.006
CF3COOH trifluoroacetic acid 1.192 0.007
C3H4O Cyclopropanone 1.191 0.007
C2H5NO3 Nitric acid, ethyl ester 1.430 0.010
CH3CH(CH3)ONO Isopropyl nitrite 1.432 0.010
HOCO+ Hydrocarboxyl cation 1.209 0.011
CH3CH(NH2)COOH Alanine 1.192 0.013
C3H8O2 Methane, dimethoxy- 1.382 0.013
C3H8O2 1,3-Propanediol 1.410 0.014
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.353 0.016
C3O2 Carbon suboxide 1.146 0.019
CH3OCl methyl hypochlorite 1.389 0.028
C4H8O2 Ethyl acetate 1.448 0.062