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: Calculated > Geometry > Bad Calculations > Bad Calculated Bond Lengths OR Resources > Bad Calculations > Geometry > Bad Calculated Bond Lengths

Bad Calculated Bond Lengths

List of molecules with calculated bond lengths that differ by more than 0.050 Å from experimental bond lengths.

Calculated at MP4=FULL/aug-cc-pVTZ

Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
ONNO NO dimer rNN 2.236 3.734 1.498
CH3CH2SH ethanethiol rCH 1.095 1.825 0.730
HSSSH trisulfane rHS 1.344 2.067 0.724
HSSSH trisulfane rHS 1.344 2.067 0.724
S4 Sulfur tetramer rSS 2.155 2.857 0.702
Be2 Beryllium diatomic rBeBe 2.460 2.000 -0.460
S4 Sulfur tetramer rSS 2.155 2.607 0.452
S4 Sulfur tetramer rSS 2.155 2.607 0.452
CH3CH2SH ethanethiol rCH 1.089 1.518 0.429
CH3CH2SH ethanethiol rCH 1.092 1.518 0.426
C2H4F2 1,2-difluoroethane rCH 1.093 1.509 0.416
C2H4F2 1,2-difluoroethane rCH 1.093 1.498 0.405
GaP Gallium monophosphide rPGa 2.450 2.067 -0.383
GaP Gallium monophosphide rPGa 2.450 2.067 -0.383
GaP Gallium monophosphide rPGa 2.450 2.067 -0.383
GaP Gallium monophosphide rPGa 2.450 2.067 -0.383
CH2CHCH2F Allyl Fluoride rHC 1.130 1.489 0.359
AlP Aluminum monophosphide rAlP 2.400 2.074 -0.326
AlP Aluminum monophosphide rAlP 2.400 2.074 -0.326
AlP Aluminum monophosphide rAlP 2.400 2.074 -0.326
CH3CH2SH ethanethiol rCS 1.820 1.518 -0.302
CH3CH2SH ethanethiol rCC 1.528 1.825 0.297
GaP Gallium monophosphide rPGa 2.450 2.200 -0.250
GaP Gallium monophosphide rPGa 2.450 2.200 -0.250
GaP Gallium monophosphide rPGa 2.450 2.200 -0.250
GaP Gallium monophosphide rPGa 2.450 2.200 -0.250
C2H2+ acetylene cation rCH 1.077 1.307 0.230
Mg2 Magnesium diatomic rMgMg 3.891 3.663 -0.228
S4 Sulfur tetramer rSS 1.898 2.122 0.224
AlP Aluminum monophosphide rAlP 2.400 2.208 -0.192
AlP Aluminum monophosphide rAlP 2.400 2.208 -0.192
AlP Aluminum monophosphide rAlP 2.400 2.208 -0.192
AlP Aluminum monophosphide rAlP 2.400 2.208 -0.192
AlP Aluminum monophosphide rAlP 2.400 2.208 -0.192
AlP Aluminum monophosphide rAlP 2.400 2.208 -0.192
AlP Aluminum monophosphide rAlP 2.260 2.074 -0.186
AlP Aluminum monophosphide rAlP 2.260 2.074 -0.186
AlP Aluminum monophosphide rAlP 2.260 2.074 -0.186
GaP Gallium monophosphide rPGa 2.250 2.067 -0.183
GaP Gallium monophosphide rPGa 2.250 2.067 -0.183
GaP Gallium monophosphide rPGa 2.250 2.067 -0.183
GaP Gallium monophosphide rPGa 2.250 2.067 -0.183
S3 Sulfur trimer rSS 1.917 2.092 0.175
GaP Gallium monophosphide rPGa 2.240 2.067 -0.173
GaP Gallium monophosphide rPGa 2.240 2.067 -0.173
GaP Gallium monophosphide rPGa 2.240 2.067 -0.173
GaP Gallium monophosphide rPGa 2.240 2.067 -0.173
CHF2CHF2 1,1,2,2-tetrafluoroethane rCF 1.359 1.514 0.155
AlP Aluminum monophosphide rAlP 2.220 2.074 -0.146
AlP Aluminum monophosphide rAlP 2.220 2.074 -0.146
AlP Aluminum monophosphide rAlP 2.220 2.074 -0.146
N2 Nitrogen diatomic rNN 1.213 1.109 -0.103
N2 Nitrogen diatomic rNN 1.213 1.109 -0.103
N2 Nitrogen diatomic rNN 1.213 1.109 -0.103
N2 Nitrogen diatomic rNN 1.213 1.109 -0.103
Be2 Beryllium diatomic rBeBe 2.460 2.364 -0.096
VO Vanadium monoxide rVO 1.589 1.494 -0.096
Ar2+ Argon diatomic cation rArAr 2.320 2.415 0.095
GaP Gallium monophosphide rPGa 2.110 2.200 0.090
GaP Gallium monophosphide rPGa 2.110 2.200 0.090
GaP Gallium monophosphide rPGa 2.110 2.200 0.090
GaP Gallium monophosphide rPGa 2.110 2.200 0.090
GaCl3 Gallium trichloride rClGa 2.180 2.101 -0.079
SiP Silicon monophosphide rSiP 2.078 2.001 -0.076
C2 Carbon diatomic rCC 1.243 1.317 0.075
B4H10 Tetraborane(10) rHB 1.484 1.410 -0.074
FNO2 Nitryl fluoride rNF 1.467 1.541 0.074
B2 Boron diatomic rBB 1.590 1.516 -0.074
ScO Scandium monoxide rOSc 1.668 1.739 0.071
C2H2+ acetylene cation rCC 1.253 1.318 0.065
B4H10 Tetraborane(10) rHB 1.315 1.252 -0.063
FSN Thiazyl fluoride rFS 1.643 1.705 0.062
CH3CHNOH Acetaldoxime rCC 1.550 1.491 -0.059
HCF Fluoromethylene rCH 1.138 1.079 -0.059
AsN Arsenic mononitride rNAs 1.618 1.675 0.057
GeO Germanium monoxide rOGe 1.625 1.680 0.055
GaO Gallium monoxide rOGa 1.743 1.688 -0.055
C3H5 Allyl radical rCC 1.428 1.374 -0.054
BH Boron monohydride rBH 1.232 1.180 -0.052
AlP Aluminum monophosphide rAlP 2.260 2.208 -0.052
AlP Aluminum monophosphide rAlP 2.260 2.208 -0.052
AlP Aluminum monophosphide rAlP 2.260 2.208 -0.052
AlP Aluminum monophosphide rAlP 2.260 2.208 -0.052
AlP Aluminum monophosphide rAlP 2.260 2.208 -0.052
AlP Aluminum monophosphide rAlP 2.260 2.208 -0.052
Ne2+ Neon diatomic cation rNeNe 1.765 1.713 -0.052
BeCl2 Beryllium chloride rBeCl 1.750 1.800 0.050
87 molecules.