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(2df,p) for rCO

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


Differences greater than 0.060 are in the 0.060 bin. Differences less than -0.060 are in the -0.060 bin.

histogram chart 60
histogram chart 50 histogram chart
histogram chart 40 histogram chart
histogram chart 30 histogram chart
histogram chart 20 histogram chart histogram chart
histogram chart 10 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 histogram chart
-0.060 -0.050 -0.040 -0.030 -0.020 -0.010 -0.000 0.010 0.020 0.030 0.040 0.050 0.060
bond length difference calc. - exp. (Å)

  Species Name Difference (Å)
Most negative difference C5H8O 2H-Pyran, 3,4-dihydro--0.053
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 -0.053
C5H12O Butane, 1-methoxy- 1.448 -0.046
C6H5OCH3 Anisole 1.399 -0.045
C2H4O4 Formic acid dimer 1.320 -0.041
CH2CHOCHCH2 Vinyl ether 1.389 -0.034
CH3CH2O Ethoxy radical 1.388 -0.029
C6H5OCH3 Anisole 1.433 -0.028
C4H8O2 1,3-Dioxane 1.439 -0.027
C4H6O Furan, 2,5-dihydro- 1.440 -0.026
HCO Formyl radical 1.198 -0.026
C3H5ClO Oxirane, (chloromethyl)- 1.442 -0.026
C3H8O2 Methane, dimethoxy- 1.432 -0.024
CF3COOH trifluoroacetic acid 1.353 -0.023
C3H6O3 1,3,5-Trioxane 1.421 -0.022
CH2CHOH ethenol 1.372 -0.022
CH3OH Methyl alcohol 1.427 -0.021
C2H2O4 Oxalic Acid 1.336 -0.021
CH3CH2OH Ethanol 1.431 -0.020
C5H12O Butane, 1-methoxy- 1.415 -0.018
CH3OC2H5 Ethane, methoxy- 1.415 -0.018
HOCO+ Hydrocarboxyl cation 1.140 -0.018
CH3CH(NH2)COOH Alanine 1.347 -0.017
H2COO Dioxymethyl radical 1.272 -0.017
C3H6O Propylene oxide 1.436 -0.017
HOCH2COOH Hydroxyacetic acid 1.406 -0.016
C3H6O 2-Propen-1-ol 1.428 -0.015
CH3CHO Acetaldehyde 1.216 -0.015
C5H8O Methyl cyclopropyl ketone 1.225 -0.015
C5H8O Cyclopentanone 1.215 -0.015
HOCH2COOH Hydroxyacetic acid 1.349 -0.015
C3H7NO dimethylformamide 1.224 -0.015
CH3COOH Acetic acid 1.361 -0.014
C2H2O2 Ethanedial 1.212 -0.014
CH3NO3 Methyl nitrate 1.437 -0.013
CH3OCH3 Dimethyl ether 1.411 -0.013
C3H2O3 vinylene carbonate 1.385 -0.013
H2NCH2COOH Glycine 1.357 -0.013
CHOCHCHCH3 2-Butenal 1.219 -0.013
C3H8O2 Propylene glycol 1.420 -0.013
C4H8O2 1,3-Dioxolane, 2-methyl- 1.422 -0.012
C4H10O2 Ethane, 1,2-dimethoxy- 1.410 -0.012
C5H10O 2H-Pyran, tetrahydro- 1.420 -0.012
C2H6O2 1,2-Ethanediol 1.420 -0.012
CH3ONO Methyl nitrite 1.437 -0.011
CH3COOH Acetic acid 1.212 -0.011
FCO Carbonyl fluoride 1.180 -0.011
C4H4O Furan 1.362 -0.011
CH2CHCHO Acrolein 1.215 -0.011
C3H3NO Oxazole 1.357 -0.011
CH2O2 Dioxirane 1.388 -0.011
CH3OCHO methyl formate 1.437 -0.011
NH2CONH2 Urea 1.221 -0.011
C5H10O 2-Butanone, 3-methyl- 1.217 -0.010
C2H4O Ethylene oxide 1.425 -0.010
C3H3NO Oxazole 1.370 -0.010
C4H5NO 3-Methylisoxazole 1.342 -0.010
C4H6O Cyclobutanone 1.202 -0.009
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.416 -0.009
CH3CONH2 Acetamide 1.220 -0.009
CH2ClCHO chloroacetaldehyde 1.206 -0.009
CF3OF Trifluoromethylhypofluorite 1.395 -0.009
CH3COCH3 Acetone 1.214 -0.009
H2CO Formaldehyde 1.205 -0.009
C4H6O2 2,3-Butanedione 1.214 -0.009
CH3CH2CHO Propanal 1.210 -0.009
C6H5OH phenol 1.364 -0.008
C4H10O Ethoxy ethane 1.411 -0.008
CH3COCl Acetyl Chloride 1.187 -0.008
OCSe Carbonyl selenide 1.159 -0.008
C3H2O3 vinylene carbonate 1.191 -0.007
HCOOH Formic acid 1.202 -0.007
C4H2O3 Maleic Anhydride 1.386 -0.007
HCONHCH3 N-methylformamide 1.219 -0.007
HCOOH Formic acid 1.343 -0.007
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.206 -0.006
OCS Carbonyl sulfide 1.160 -0.006
HOCH2COOH Hydroxyacetic acid 1.210 -0.006
H2NCH2COOH Glycine 1.207 -0.006
C5H4O2 4-Cyclopentene-1,3-dione 1.208 -0.006
BH3CO Borane carbonyl 1.135 -0.005
C4H10O Propane, 2-methoxy- 1.422 -0.005
CO+ carbon monoxide cation 1.115 -0.005
CHONH2 formamide 1.210 -0.004
C2H2O4 Oxalic Acid 1.205 -0.004
C4H2O3 Maleic Anhydride 1.192 -0.004
CH3OC2H5 Ethane, methoxy- 1.407 -0.004
CCl2O Phosgene 1.177 -0.004
C4H8O2 Ethyl acetate 1.345 -0.004
ClCOClCO Oxalyl chloride 1.182 -0.004
HFCO formyl fluoride 1.181 -0.003
C4H5NO Isoxazole, 5-methyl- 1.342 -0.003
CH3OCHO methyl formate 1.200 -0.003
CO2 Carbon dioxide 1.162 -0.003
CH3OCHO methyl formate 1.334 -0.003
CH2CO Ketene 1.162 -0.003
CF2O Carbonic difluoride 1.174 -0.002
C3H2O3 vinylene carbonate 1.364 -0.002
C4H8O2 Ethyl acetate 1.203 -0.001
HNCO Isocyanic acid 1.164 -0.000
C5H8O 2H-Pyran, 3,4-dihydro- 1.420 -0.000
CO Carbon monoxide 1.128 -0.000
C3H4O Cyclopropanone 1.191 -0.000
CF3COOH trifluoroacetic acid 1.192 0.000
C4H8O2 1,3-Dioxane 1.393 0.001
COBr2 Carbonic dibromide 1.172 0.001
CH3COF Acetyl fluoride 1.181 0.001
C2H5NO3 Nitric acid, ethyl ester 1.430 0.005
CH3CH(CH3)ONO Isopropyl nitrite 1.432 0.005
CH3CH(NH2)COOH Alanine 1.192 0.007
HOCO+ Hydrocarboxyl cation 1.209 0.009
C3H8O2 Methane, dimethoxy- 1.382 0.010
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.353 0.010
C3H8O2 1,3-Propanediol 1.410 0.011
C3O2 Carbon suboxide 1.146 0.012
C2H4O4 Formic acid dimer 1.217 0.017
CH3OCl methyl hypochlorite 1.389 0.025
C4H8O2 Ethyl acetate 1.448 0.062