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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CCSD=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CCSD=FULL/cc-pVTZ
 hartrees
Energy at 0K-835.962905
Energy at 298.15K 
HF Energy-835.299524
Nuclear repulsion energy142.298733
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3131 2968 7.58      
2 A 2733 2591 0.31      
3 A 1489 1412 0.92      
4 A 1229 1165 0.44      
5 A 926 878 3.82      
6 A 660 625 2.69      
7 A 299 283 9.57      
8 A 224 213 4.25      
9 B 3165 3000 1.21      
10 B 2732 2590 0.88      
11 B 1287 1220 21.19      
12 B 1026 973 17.30      
13 B 801 760 16.47      
14 B 724 687 0.39      
15 B 247 234 33.34      

Unscaled Zero Point Vibrational Energy (zpe) 10336.0 cm-1
Scaled (by 0.9481) Zero Point Vibrational Energy (zpe) 9799.5 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/cc-pVTZ
ABC
0.89258 0.10660 0.09961

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.780
S2 0.000 1.537 -0.179
S3 0.000 -1.537 -0.179
H4 0.875 -0.052 1.415
H5 -0.875 0.052 1.415
H6 1.093 1.258 -0.895
H7 -1.093 -1.258 -0.895

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81141.81141.08201.08202.36272.3627
S21.81143.07342.41462.34711.33613.0848
S31.81143.07342.34712.41463.08481.3361
H41.08202.41462.34711.75222.66473.2651
H51.08202.34712.41461.75223.26512.6647
H62.36271.33613.08482.66473.26513.3321
H72.36273.08481.33613.26512.66473.3321

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.122 C1 S3 H7 96.122
S2 C1 S3 116.072 S2 C1 H4 110.588
S2 C1 H5 105.645 S3 C1 H4 105.645
S3 C1 H5 110.588 H4 C1 H5 108.134
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability