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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CCSD=FULL/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 CCSD=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-835.986089
Energy at 298.15K 
HF Energy-835.301120
Nuclear repulsion energy142.537418
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/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 3140 2986 5.94      
2 A 2733 2599 0.04      
3 A 1490 1417 1.04      
4 A 1232 1172 0.44      
5 A 931 885 3.89      
6 A 664 631 2.60      
7 A 298 284 7.43      
8 A 224 213 3.28      
9 B 3162 3007 1.30      
10 B 2732 2599 0.21      
11 B 1288 1225 20.42      
12 B 1028 978 16.75      
13 B 805 765 15.12      
14 B 728 692 0.46      
15 B 237 225 30.77      

Unscaled Zero Point Vibrational Energy (zpe) 10345.6 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 9838.6 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/aug-cc-pVTZ
ABC
0.88887 0.10728 0.10013

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.783
S2 0.000 1.532 -0.179
S3 0.000 -1.532 -0.179
H4 0.876 -0.048 1.418
H5 -0.876 0.048 1.418
H6 1.086 1.242 -0.901
H7 -1.086 -1.242 -0.901

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.80921.80921.08291.08292.35752.3575
S21.80923.06422.41182.34951.33613.0650
S31.80923.06422.34952.41183.06501.3361
H41.08292.41182.34951.75402.66253.2638
H51.08292.34952.41181.75403.26382.6625
H62.35751.33613.06502.66253.26383.2989
H72.35753.06501.33613.26382.66253.2989

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.931 C1 S3 H7 95.931
S2 C1 S3 115.742 S2 C1 H4 110.476
S2 C1 H5 105.911 S3 C1 H4 105.911
S3 C1 H5 110.476 H4 C1 H5 108.164
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability