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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CCD/aug-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 CCD/aug-cc-pVTZ
 hartrees
Energy at 0K-835.887443
Energy at 298.15K 
HF Energy-835.301080
Nuclear repulsion energy141.985549
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 CCD/aug-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 3113 2979 5.62      
2 A 2735 2617 0.00      
3 A 1484 1420 1.00      
4 A 1228 1175 0.44      
5 A 923 883 3.73      
6 A 659 630 2.79      
7 A 296 283 7.49      
8 A 221 212 3.84      
9 B 3171 3034 1.21      
10 B 2734 2616 0.10      
11 B 1287 1232 21.08      
12 B 1025 980 16.32      
13 B 798 764 15.79      
14 B 728 697 0.53      
15 B 237 226 30.84      

Unscaled Zero Point Vibrational Energy (zpe) 10318.8 cm-1
Scaled (by 0.957) Zero Point Vibrational Energy (zpe) 9875.1 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 CCD/aug-cc-pVTZ
ABC
0.88409 0.10633 0.09931

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.785
S2 0.000 1.539 -0.180
S3 0.000 -1.539 -0.180
H4 0.879 -0.050 1.421
H5 -0.879 0.050 1.421
H6 1.096 1.260 -0.898
H7 -1.096 -1.260 -0.898

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81581.81581.08681.08682.37042.3704
S21.81583.07702.42092.35611.33953.0897
S31.81583.07702.35612.42093.08971.3395
H41.08682.42092.35611.76162.67253.2776
H51.08682.35612.42091.76163.27762.6725
H62.37041.33953.08972.67253.27763.3390
H72.37043.08971.33953.27762.67253.3390

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.227 C1 S3 H7 96.227
S2 C1 S3 115.840 S2 C1 H4 110.508
S2 C1 H5 105.777 S3 C1 H4 105.777
S3 C1 H5 110.508 H4 C1 H5 108.282
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability