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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/cc-pV(T+d)Z

Species Name Bond type Bond Length (Å)
Experimental Calculated Difference
CH3CH2SH ethanethiol rCH 1.095 1.825 0.730
HSSSH trisulfane rHS 1.344 2.063 0.719
HSSSH trisulfane rHS 1.344 2.063 0.719
HSSSH trisulfane rHS 1.344 2.063 0.719
HSSSH trisulfane rHS 1.344 2.063 0.719
S4 Sulfur tetramer rSS 2.155 2.859 0.704
CH3CH2SH ethanethiol rCH 1.089 1.524 0.435
CH3CH2SH ethanethiol rCH 1.092 1.524 0.432
S4 Sulfur tetramer rSS 2.155 2.503 0.348
CH3CH2SH ethanethiol rCC 1.528 1.825 0.297
CH3CH2SH ethanethiol rCS 1.820 1.524 -0.296
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.040 2.274 0.234
S4 Sulfur tetramer rSS 1.898 2.115 0.217
S3 Sulfur trimer rSS 1.917 2.082 0.165
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.240 2.082 -0.158
ClF3 Chlorine trifluoride rFCl 1.597 1.717 0.121
ClF3 Chlorine trifluoride rFCl 1.597 1.717 0.121
S4 Sulfur tetramer rSS 2.155 2.063 -0.092
SiC silicon monocarbide rCSi 1.722 1.651 -0.071
CaS Calcium sulfide rSCa 2.318 2.377 0.059
20 molecules.