IV.D.8. |
Average Bond Length Differences by Model Chemistry
Calculated at wB97X-D/CEP-121G*
Species | Name | Bond type | Bond Length (Å) | |||||
---|---|---|---|---|---|---|---|---|
Experimental | unc. | Calculated | Difference | atom1 | atom2 | |||
C4H10O | Methyl propyl ether | rCC | 1.530 | 1.098 | -0.432 | 5 | 13 | |
SiP | Silicon monophosphide | rSiP | 2.078 | ±0.002 | 2.002 | -0.076 | 1 | 2 |
LiOH | lithium hydroxide | rLiO | 1.582 | 1.551 | -0.030 | 1 | 2 | |
LiF | lithium fluoride | rLiF | 1.564 | ±0.000 | 1.534 | -0.029 | 1 | 2 |
FNO2 | Nitryl fluoride | rNF | 1.467 | ±0.015 | 1.439 | -0.028 | 1 | 2 |
C5H6 | Propellane | rCC | 1.596 | ±0.005 | 1.571 | -0.025 | 2 | 5 |
F2 | Fluorine diatomic | rFF | 1.412 | 1.389 | -0.023 | 1 | 2 | |
C2H2O2 | Ethanedial | rCH | 1.132 | 1.109 | -0.023 | 1 | 3 | |
LiNH2 | lithium amide | rLiN | 1.736 | ±0.003 | 1.714 | -0.022 | 1 | 2 |
CH3CH2CH2CH3 | Butane | rCH | 1.117 | 1.100 | -0.017 | 1 | 5 | |
LiOH | lithium hydroxide | rOH | 0.969 | 0.953 | -0.016 | 1 | 3 | |
C4H8O2 | Ethyl acetate | rCH | 1.105 | 1.091 | -0.014 | 1 | 7 | |
C3F6 | hexafluoropropene | rCF | 1.329 | ±0.003 | 1.317 | -0.012 | 1 | 4 |
HeH+ | Helium hydride cation | rHHe | 0.790 | 0.779 | -0.011 | 1 | 2 | |
HNO3 | Nitric acid | rNO | 1.406 | 1.396 | -0.010 | 1 | 2 | |
CH3CH2CHO | Propanal | rCH | 1.103 | 1.095 | -0.008 | 1 | 6 | |
HF+ | hydrogen fluoride cation | rHF | 1.014 | 1.007 | -0.008 | 1 | 2 | |
B2H6 | Diborane | rBH | 1.200 | 1.193 | -0.007 | 1 | 5 | |
FO | Oxygen monofluoride | rFO | 1.354 | 1.348 | -0.006 | 1 | 2 | |
CH3CH2CHO | Propanal | rCH | 1.105 | 1.101 | -0.004 | 2 | 8 | |
C8H8 | cubane | rCH | 1.097 | 1.093 | -0.004 | 1 | 9 | |
C4H6 | Bicyclo[1.1.0]butane | rCC | 1.497 | 1.494 | -0.003 | 1 | 2 | |
CH2NH | Methanimine | rCH | 1.103 | 1.100 | -0.003 | 1 | 3 | |
HOCl | hypochlorous acid | rOH | 0.973 | ±0.002 | 0.970 | -0.003 | 1 | 2 |
CH3CH2OH | Ethanol | rCH | 1.098 | 1.095 | -0.003 | 1 | 6 | |
H2Cl+ | dihydrogen monochloride cation | rHCl | 1.321 | ±0.000 | 1.318 | -0.002 | 1 | 2 |
NH4+ | ammonium cation | rHN | 1.029 | ±0.000 | 1.026 | -0.002 | 1 | 2 |
C5H6 | Propellane | rCC | 1.525 | ±0.002 | 1.523 | -0.002 | 1 | 2 |
CH3CH2CHO | Propanal | rCH | 1.115 | 1.114 | -0.001 | 3 | 10 | |
CH3NH2 | methyl amine | rNH | 1.018 | ±0.001 | 1.017 | -0.001 | 2 | 6 |
CH3CCH | propyne | rCH | 1.096 | 1.095 | -0.001 | 1 | 5 | |
CH3CHO | Acetaldehyde | rCH | 1.114 | 1.113 | -0.001 | 1 | 4 | |
CH3CH2CHO | Propanal | rCH | 1.096 | 1.096 | 0.000 | 1 | 5 | |
CN | Cyano radical | rC#N | 1.172 | 1.172 | 0.000 | 1 | 2 | |
C2H2+ | acetylene cation | rC=C | 1.253 | ±0.001 | 1.253 | 0.000 | 1 | 2 |
CH3CHS | Thioacetaldehyde | rCH | 1.098 | 1.099 | 0.001 | 2 | 6 | |
CH3NO | nitrosomethane | rCH | 1.094 | 1.095 | 0.001 | 1 | 4 | |
CH3CHClCH3 | Propane, 2-chloro- | rCH | 1.091 | 1.093 | 0.002 | 2 | 5 | |
CH2CO | Ketene | rCH | 1.083 | 1.084 | 0.002 | 1 | 4 | |
NaLi | lithium sodium | rLiNa | 2.889 | 2.891 | 0.002 | 1 | 2 | |
CH3CHFCH3 | 2-Fluoropropane | rCH | 1.093 | ±0.006 | 1.095 | 0.002 | 4 | 8 |
CH3CHS | Thioacetaldehyde | rCH | 1.090 | 1.092 | 0.002 | 2 | 5 | |
CH3CHFCH3 | 2-Fluoropropane | rCH | 1.094 | ±0.005 | 1.096 | 0.002 | 4 | 10 |
CH2Cl2 | Methylene chloride | rCH | 1.085 | ±0.002 | 1.087 | 0.002 | 1 | 2 |
CH3NH2 | methyl amine | rCN | 1.471 | ±0.003 | 1.474 | 0.003 | 1 | 2 |
C3H8 | Propane | rCH | 1.096 | 1.099 | 0.003 | 1 | 4 | |
HS+ | sulfur monohydride cation | rSH | 1.374 | 1.377 | 0.003 | 1 | 2 | |
CHF3 | Methane, trifluoro- | rCH | 1.091 | ±0.014 | 1.094 | 0.003 | 1 | 2 |
C4H8 | cyclobutane | rCH | 1.093 | 1.096 | 0.003 | 1 | 5 | |
C2H2 | Acetylene | rC#C | 1.203 | 1.206 | 0.003 | 1 | 2 | |
C2H2ClF | 1-chloro-1-fluoroethylene | rCH | 1.082 | ±0.001 | 1.086 | 0.004 | 2 | 5 |
CH3OCH3 | Dimethyl ether | rCH | 1.099 | ±0.001 | 1.103 | 0.004 | 2 | 6 |
N3 | azide radical | rNN | 1.181 | 1.186 | 0.004 | 1 | 2 | |
CH3NO | nitrosomethane | rCH | 1.092 | 1.096 | 0.004 | 1 | 5 | |
C3H6 | Cyclopropane | rCH | 1.083 | 1.087 | 0.004 | 1 | 4 | |
C4H8 | cyclobutane | rCH | 1.091 | 1.096 | 0.005 | 1 | 6 | |
CH3OCH3 | Dimethyl ether | rCO | 1.411 | ±0.001 | 1.416 | 0.005 | 1 | 2 |
CH2CHF | Ethene, fluoro- | rCH | 1.082 | 1.087 | 0.005 | 1 | 4 | |
CH3CHFCH3 | 2-Fluoropropane | rCH | 1.092 | 1.098 | 0.006 | 1 | 3 | |
HNCNH | diiminomethane | rC=N | 1.224 | ±0.001 | 1.230 | 0.006 | 1 | 2 |
CH3CHClCH3 | Propane, 2-chloro- | rCH | 1.092 | 1.098 | 0.006 | 3 | 6 | |
H2O | Water | rOH | 0.958 | ±0.000 | 0.964 | 0.006 | 1 | 2 |
CH2CHCH2CH3 | 1-Butene | rCC | 1.536 | 1.542 | 0.006 | 1 | 2 | |
C2H2 | Acetylene | rCH | 1.063 | 1.069 | 0.006 | 1 | 3 | |
N2 | Nitrogen diatomic | rN#N | 1.098 | 1.104 | 0.006 | 1 | 2 | |
BO | boron monoxide | rB=O | 1.205 | 1.211 | 0.006 | 1 | 2 | |
PN | Phosphorus mononitride | rP#N | 1.491 | 1.497 | 0.006 | 1 | 2 | |
CO+ | carbon monoxide cation | rC=O | 1.115 | ±0.000 | 1.122 | 0.006 | 1 | 2 |
CH3CHO | Acetaldehyde | rCH | 1.086 | 1.093 | 0.007 | 2 | 5 | |
CH3CHS | Thioacetaldehyde | rCH | 1.089 | 1.096 | 0.007 | 1 | 4 | |
HF | Hydrogen fluoride | rHF | 0.917 | ±0.000 | 0.924 | 0.007 | 1 | 2 |
CH4 | Methane | rCH | 1.087 | ±0.001 | 1.094 | 0.007 | 1 | 2 |
C3H4 | cyclopropene | rCH | 1.088 | 1.095 | 0.007 | 1 | 6 | |
CH3CH2CH2CH3 | Butane | rCC | 1.531 | 1.539 | 0.008 | 1 | 2 | |
CH2CO | Ketene | rC=O | 1.162 | 1.170 | 0.008 | 2 | 3 | |
C3F6 | hexafluoropropene | rC=C | 1.329 | ±0.003 | 1.337 | 0.008 | 1 | 2 |
CH3CCH | propyne | rCH | 1.060 | 1.068 | 0.008 | 3 | 4 | |
B2H6 | Diborane | rBH | 1.320 | 1.328 | 0.008 | 1 | 3 | |
OH | Hydroxyl radical | rOH | 0.970 | 0.978 | 0.008 | 1 | 2 | |
C2H2+ | acetylene cation | rCH | 1.077 | ±0.005 | 1.085 | 0.008 | 1 | 3 |
CH3OCH3 | Dimethyl ether | rCH | 1.085 | ±0.001 | 1.093 | 0.008 | 2 | 4 |
C4H8O2 | Ethyl acetate | rCC | 1.515 | 1.524 | 0.009 | 5 | 6 | |
CH3CH2OH | Ethanol | rCH | 1.088 | 1.097 | 0.009 | 1 | 5 | |
C4H8O2 | Ethyl acetate | rCO | 1.345 | 1.354 | 0.009 | 2 | 3 | |
CH3CHFCH3 | 2-Fluoropropane | rCH | 1.088 | ±0.006 | 1.097 | 0.009 | 4 | 6 |
NO+ | nitric oxide cation | rN=O | 1.066 | 1.074 | 0.009 | 1 | 2 | |
NO | Nitric oxide | rN=O | 1.154 | ±0.000 | 1.163 | 0.009 | 1 | 2 |
CH3CH2CHO | Propanal | rCC | 1.523 | 1.532 | 0.009 | 1 | 2 | |
CH2CHF | Ethene, fluoro- | rCH | 1.077 | 1.087 | 0.010 | 2 | 5 | |
C4H8O2 | Ethyl acetate | rCC | 1.508 | 1.518 | 0.010 | 1 | 2 | |
C3H4 | cyclopropene | rCH | 1.072 | 1.082 | 0.010 | 2 | 4 | |
O2 | Oxygen diatomic | rO=O | 1.208 | 1.218 | 0.011 | 1 | 2 | |
CH3CH2CHO | Propanal | rCC | 1.509 | 1.520 | 0.011 | 2 | 3 | |
CO | Carbon monoxide | rC#O | 1.128 | ±0.000 | 1.139 | 0.011 | 1 | 2 |
C4H8O2 | Ethyl acetate | rC=O | 1.203 | 1.214 | 0.011 | 2 | 4 | |
CH2F2 | Methane, difluoro- | rCH | 1.084 | ±0.003 | 1.095 | 0.011 | 1 | 2 |
SiH2Cl2 | dichlorosilane | rSiH | 1.480 | ±0.015 | 1.491 | 0.011 | 1 | 2 |
CH3NH2 | methyl amine | rCH | 1.093 | ±0.000 | 1.104 | 0.011 | 1 | 3 |
CH | Methylidyne | rCH | 1.120 | 1.131 | 0.011 | 1 | 2 | |
C2H3 | vinyl | rCH | 1.085 | 1.096 | 0.011 | 2 | 4 | |
LiCl | lithium chloride | rLiCl | 2.021 | ±0.000 | 2.033 | 0.012 | 1 | 2 |
BH | Boron monohydride | rBH | 1.232 | 1.245 | 0.012 | 1 | 2 | |
BF | Boron monofluoride | rBF | 1.267 | ±0.000 | 1.279 | 0.012 | 1 | 2 |
HOCl | hypochlorous acid | rClO | 1.697 | ±0.001 | 1.710 | 0.013 | 1 | 3 |
C3H6 | Cyclopropane | rCC | 1.501 | 1.515 | 0.014 | 1 | 2 | |
NH3BF3 | Amminetrifluoroboron | rBN | 1.673 | 1.687 | 0.014 | 1 | 2 | |
H2CS | Thioformaldehyde | rC=S | 1.611 | 1.625 | 0.014 | 1 | 2 | |
CF | Fluoromethylidyne | rCF | 1.276 | 1.290 | 0.014 | 1 | 2 | |
NS | Mononitrogen monosulfide | rNS | 1.497 | ±0.000 | 1.511 | 0.014 | 1 | 2 |
C2H2O2 | Ethanedial | rCC | 1.526 | 1.540 | 0.014 | 1 | 2 | |
NH2SH | Thiohydroxylamine | rSH | 1.344 | ±0.029 | 1.358 | 0.014 | 2 | 3 |
SiO | Silicon monoxide | rSiO | 1.510 | ±0.000 | 1.524 | 0.014 | 1 | 2 |
OH- | hydroxide anion | rOH | 0.964 | 0.979 | 0.015 | 1 | 2 | |
HCl+ | hydrogen chloride cation | rHCl | 1.315 | 1.330 | 0.015 | 1 | 2 | |
FNO2 | Nitryl fluoride | rN=O | 1.180 | ±0.005 | 1.195 | 0.015 | 1 | 3 |
C10H8 | naphthalene | rC:C | 1.410 | 1.426 | 0.016 | 2 | 3 | |
ClO | Monochlorine monoxide | rClO | 1.596 | ±0.001 | 1.612 | 0.016 | 1 | 2 |
CH2F2 | Methane, difluoro- | rCF | 1.351 | ±0.001 | 1.367 | 0.016 | 1 | 4 |
CH3CH2OH | Ethanol | rCH | 1.086 | 1.102 | 0.016 | 2 | 8 | |
CHF3 | Methane, trifluoro- | rCF | 1.328 | ±0.003 | 1.345 | 0.017 | 1 | 3 |
SO+ | sulfur monoxide cation | rO=S | 1.424 | 1.441 | 0.017 | 1 | 2 | |
HCl | Hydrogen chloride | rHCl | 1.275 | ±0.000 | 1.293 | 0.018 | 1 | 2 |
CH2CHCH2CH3 | 1-Butene | rCC | 1.493 | 1.513 | 0.020 | 2 | 3 | |
SiH4 | Silane | rSiH | 1.480 | ±0.000 | 1.500 | 0.021 | 1 | 2 |
HSiCl | Chlorosilylene | rSiH | 1.525 | ±0.005 | 1.546 | 0.021 | 1 | 3 |
C3O2 | Carbon suboxide | rC=O | 1.146 | 1.167 | 0.021 | 2 | 4 | |
SiH3Cl | chlorosilane | rSiH | 1.475 | 1.496 | 0.021 | 1 | 3 | |
SiH3F | monofluorosilane | rSiH | 1.476 | 1.497 | 0.021 | 1 | 3 | |
CH3CSNH2 | Ethanethioamide | rC=S | 1.647 | ±0.002 | 1.670 | 0.023 | 1 | 2 |
PS | phosphorus sulfide | rP=S | 1.900 | 1.924 | 0.024 | 1 | 2 | |
CH2Cl2 | Methylene chloride | rCCl | 1.767 | ±0.002 | 1.791 | 0.024 | 1 | 4 |
HS- | mercapto anion | rSH | 1.343 | 1.368 | 0.024 | 1 | 2 | |
SiS | silicon monosulfide | rSiS | 1.929 | ±0.000 | 1.954 | 0.024 | 1 | 2 |
NO- | nitric oxide anion | rN=O | 1.258 | ±0.010 | 1.282 | 0.024 | 1 | 2 |
AlNC | Aluminum isocyanide | rAlN | 1.855 | ±0.005 | 1.880 | 0.025 | 1 | 2 |
OPCl | Phosphorus oxychloride | rP=O | 1.462 | ±0.011 | 1.488 | 0.026 | 1 | 2 |
ClF | Chlorine monofluoride | rFCl | 1.628 | ±0.000 | 1.655 | 0.026 | 1 | 2 |
SSO | Disulfur monoxide | rS=O | 1.456 | 1.483 | 0.027 | 1 | 2 | |
PH | phosphorus monohydride | rPH | 1.422 | 1.449 | 0.027 | 1 | 2 | |
SiH3+ | Silyl cation | rSiH | 1.460 | ±0.010 | 1.487 | 0.027 | 1 | 2 |
PO | Phosphorus monoxide | rP=O | 1.476 | 1.504 | 0.029 | 1 | 2 | |
SiH2F2 | difluorosilane | rSiH | 1.462 | 1.490 | 0.029 | 1 | 4 | |
SF | Monosulfur monofluoride | rSF | 1.599 | 1.628 | 0.029 | 1 | 2 | |
SO | Sulfur monoxide | rS=O | 1.481 | 1.511 | 0.030 | 1 | 2 | |
SiH | Silylidyne | rSiH | 1.520 | 1.551 | 0.031 | 1 | 2 | |
Cl2+ | chlorine diatomic cation | rClCl | 1.892 | 1.923 | 0.031 | 1 | 2 | |
SSO | Disulfur monoxide | rS=S | 1.884 | 1.915 | 0.031 | 2 | 3 | |
SiH+ | silicon monohydride cation | rSiH | 1.504 | 1.536 | 0.032 | 1 | 2 | |
SiH3F | monofluorosilane | rSiF | 1.595 | 1.627 | 0.033 | 1 | 2 | |
C3O2 | Carbon suboxide | rC=C | 1.251 | 1.284 | 0.033 | 1 | 2 | |
S2 | Sulfur diatomic | rS=S | 1.889 | 1.922 | 0.033 | 1 | 2 | |
C2H6O2S | Dimethyl sulfone | rCS | 1.777 | ±0.006 | 1.810 | 0.033 | 1 | 4 |
AlF | Aluminum monofluoride | rAlF | 1.654 | ±0.000 | 1.688 | 0.034 | 1 | 2 |
SiH3Cl | chlorosilane | rSiCl | 2.051 | 2.086 | 0.035 | 1 | 2 | |
MgH | magnesium monohydride | rMgH | 1.730 | 1.765 | 0.036 | 1 | 2 | |
ClOF3 | Chlorine trifluoride oxide | rFCl | 1.713 | ±0.003 | 1.749 | 0.036 | 1 | 4 |
SOF4 | Sulfur tetrafluoride oxide | rFS | 1.596 | ±0.003 | 1.633 | 0.037 | 1 | 3 |
PF5 | Phosphorus pentafluoride | rFP | 1.577 | 1.614 | 0.037 | 1 | 5 | |
SiH2Cl2 | dichlorosilane | rSiCl | 2.033 | ±0.003 | 2.072 | 0.039 | 1 | 4 |
SiF | silicon monofluoride | rSiF | 1.604 | 1.644 | 0.040 | 1 | 2 | |
SF4 | Sulfur tetrafluoride | rSF | 1.646 | ±0.003 | 1.686 | 0.040 | 1 | 2 |
SiF2 | Silicon difluoride | rFSi | 1.590 | ±0.000 | 1.631 | 0.041 | 1 | 2 |
C2H6O2S | Dimethyl sulfone | rS=O | 1.431 | ±0.004 | 1.473 | 0.042 | 1 | 2 |
NCl | nitrogen monochloride | rNCl | 1.611 | ±0.000 | 1.653 | 0.042 | 1 | 2 |
SiCl | Clorosilylidyne | rSiCl | 2.061 | ±0.000 | 2.104 | 0.043 | 1 | 2 |
SF4 | Sulfur tetrafluoride | rSF | 1.545 | ±0.003 | 1.588 | 0.043 | 1 | 4 |
HSiCl | Chlorosilylene | rSiCl | 2.067 | ±0.003 | 2.111 | 0.044 | 1 | 2 |
PF5 | Phosphorus pentafluoride | rPF | 1.534 | 1.580 | 0.046 | 1 | 2 | |
SOF4 | Sulfur tetrafluoride oxide | rFS | 1.539 | ±0.003 | 1.587 | 0.048 | 1 | 5 |
OPCl | Phosphorus oxychloride | rPCl | 2.059 | ±0.004 | 2.108 | 0.049 | 1 | 3 |
PF2 | Phosphorus difluoride | rPF | 1.579 | 1.629 | 0.049 | 1 | 2 | |
CFCl | chlorofluoromethylene | rCCl | 1.714 | 1.770 | 0.056 | 1 | 3 | |
ClOF3 | Chlorine trifluoride oxide | rFCl | 1.603 | ±0.004 | 1.668 | 0.065 | 1 | 3 |
C4H8O2 | Ethyl acetate | rCO | 1.448 | 1.524 | 0.076 | 5 | 6 | |
He2+ | helium diatomic cation | rHeHe | 1.081 | ±0.001 | 1.178 | 0.097 | 1 | 2 |
C4H10O | Methyl propyl ether | rCH | 1.099 | 1.415 | 0.316 | 1 | 2 |