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IV.D.7. (XVIII.A.2.)

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 QCISD/STO-3G

Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
NaLi lithium sodium rLiNa 2.889 2.463 -0.426
CaF Calcuium monofluoride rFCa 1.967 2.325 0.358
SF4 Sulfur tetrafluoride rSF 1.545 1.759 0.214
NaBr Sodium Bromide rNaBr 2.502 2.318 -0.184
CaCl calcium monochloride rClCa 2.437 2.594 0.157
SeO Selenium monoxide rSeO 1.639 1.775 0.136
N2O3 Dinitrogen trioxide rNO 1.142 1.273 0.131
N2O3 Dinitrogen trioxide rNN 1.864 1.739 -0.125
LiBr Lithium Bromide rLiBr 2.170 2.051 -0.120
HN3 hydrogen azide rNH 0.975 1.088 0.113
SF4 Sulfur tetrafluoride rSF 1.646 1.759 0.113
CaH Calcium monohydride rHCa 2.003 2.112 0.110
N2O3 Dinitrogen trioxide rNO 1.202 1.310 0.108
C4H8O2 Ethyl acetate rCO 1.345 1.448 0.103
CaOH Calcium monohydroxide rOCa 1.976 2.078 0.102
CH2NN diazomethane rNN 1.139 1.236 0.097
N2H2 trans-diazine rNN 1.252 1.346 0.094
HN3 hydrogen azide rNN 1.133 1.227 0.094
FCN Cyanogen fluoride rCF 1.262 1.351 0.089
N2O3 Dinitrogen trioxide rNO 1.217 1.304 0.087
CH2O2 Dioxirane rCO 1.388 1.473 0.085
HCNO fulminic acid rNO 1.199 1.284 0.085
CaOH Calcium monohydroxide rHO 0.930 1.014 0.084
HOBr Hypobromous acid rOH 0.961 1.041 0.080
HOBr Hypobromous acid rBrO 1.834 1.911 0.077
HCNO fulminic acid rHC 1.027 1.104 0.077
HFCO formyl fluoride rCO 1.181 1.256 0.075
HCNO fulminic acid rCN 1.168 1.242 0.074
HCCF Fluoroacetylene rCF 1.279 1.350 0.071
N2H2 trans-diazine rNH 1.028 1.100 0.071
C2H5F fluoroethane rCC 1.505 1.574 0.069
CH2CHOH ethenol rOH 0.960 1.029 0.069
C3H8O2 1,3-Propanediol rCO 1.410 1.479 0.069
NH2CN cyanamide rNH 1.001 1.069 0.068
C2HF3 Trifluoroethylene rCF 1.316 1.383 0.067
CH2CHCHO Acrolein rCC 1.470 1.536 0.066
S8 Octasulfur rSS 2.059 2.123 0.064
C3H2N2 Malononitrile rCC 1.459 1.522 0.063
C3H8O2 1,3-Propanediol rCC 1.514 1.572 0.058
HCCCN Cyanoacetylene rCC 1.376 1.434 0.058
C4H8O2 Ethyl acetate rCO 1.203 1.260 0.057
SeS Selenium monosulfide rSSe 2.037 2.093 0.056
CH2CHOH ethenol rCO 1.372 1.428 0.056
FCN Cyanogen fluoride rCN 1.159 1.213 0.054
Se2 Selenium diatomic rSeSe 2.166 2.220 0.054
OCSe Carbonyl selenide rCO 1.159 1.212 0.054
CH3NC methyl isocyanide rCN 1.426 1.479 0.053
CH2CHCHO Acrolein rCO 1.219 1.272 0.053
C6H6 Fulvene rCC 1.470 1.522 0.052
C2H2F2 Ethene, 1,2-difluoro-, (Z)- rCF 1.335 1.386 0.051
HCCCN Cyanoacetylene rCN 1.161 1.211 0.051
51 molecules.