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 MP2/cc-pVTZ

17 02 03 13 22
Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
C3H3NO Isoxazole rCH 1.075 1.412 0.337
CH3CF3 Ethane, 1,1,1-trifluoro- rCF 1.340 1.664 0.324
C4H10O Methyl propyl ether rCC 1.530 1.090 -0.440
C4H10O Methyl propyl ether rCH 1.099 1.409 0.310
CaO Calcium monoxide rOCa 1.822 1.923 0.101
C4H6 1-Methylcyclopropene rCH 1.085 4.209 3.124
C4H6 1-Methylcyclopropene rCH 1.087 3.410 2.323
C4H6 1-Methylcyclopropene rCC 1.476 2.251 0.775
C4H6 1-Methylcyclopropene rCH 1.087 1.824 0.737
C4H6 1-Methylcyclopropene rCH 1.098 1.772 0.674
C4H6 1-Methylcyclopropene rCH 1.098 1.755 0.657
C4H6 1-Methylcyclopropene rCH 1.070 1.508 0.438
C4H6 1-Methylcyclopropene rCC 1.515 1.086 -0.429
C4H6 1-Methylcyclopropene rCC 1.300 1.510 0.210
CH3SO2NH2 methanesulfonamide rCN 1.207 1.669 0.462
GaP Gallium monophosphide rPGa 2.450 2.202 -0.248
Ne2 Neon diatomic rNeNe 3.100 2.982 -0.118
ArH+ Argon hydride cation rArH 1.292 1.441 0.149
Ar2 Argon diatomic rArAr 3.758 3.979 0.221
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.040 2.275 0.235
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.240 2.085 -0.155
HSSSH trisulfane rHS 1.344 2.062 0.719
Be2 Beryllium diatomic rBeBe 2.460 2.789 0.329
FOO Dioxygen monofluoride radical rFO 1.649 1.379 -0.270
S4 Sulfur tetramer rSS 2.155 2.608 0.453
AlP Aluminum monophosphide rAlP 2.400 2.204 -0.196
AlP Aluminum monophosphide rAlP 2.220 2.059 -0.161
Mg2 Magnesium diatomic rMgMg 3.891 4.133 0.243
Al2 Aluminum diatomic rAlAl 2.701 2.474 -0.227
29 molecules.