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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: MP3/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP3/cc-pVDZ
 hartrees
Energy at 0K-835.708099
Energy at 298.15K 
HF Energy-835.252066
Nuclear repulsion energy140.784188
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 MP3/cc-pVDZ
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 3136 2973 11.14      
2 A 2762 2618 1.96      
3 A 1463 1386 0.49      
4 A 1214 1151 0.56      
5 A 917 869 3.80      
6 A 651 617 2.98      
7 A 303 287 13.60      
8 A 233 220 5.24      
9 B 3200 3033 1.69      
10 B 2762 2618 3.98      
11 B 1275 1208 25.10      
12 B 1020 967 17.73      
13 B 793 751 19.65      
14 B 722 684 0.75      
15 B 260 246 39.22      

Unscaled Zero Point Vibrational Energy (zpe) 10354.4 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 9815.0 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 MP3/cc-pVDZ
ABC
0.87568 0.10429 0.09752

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.785
S2 0.000 1.554 -0.181
S3 0.000 -1.554 -0.181
H4 0.888 -0.055 1.433
H5 -0.888 0.055 1.433
H6 1.109 1.268 -0.895
H7 -1.109 -1.268 -0.895

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82951.82951.10031.10032.37922.3792
S21.82953.10712.44552.37431.34983.1143
S31.82953.10712.37432.44553.11431.3498
H41.10032.44552.37431.77932.68643.2980
H51.10032.37432.44551.77933.29802.6864
H62.37921.34983.11432.68643.29803.3687
H72.37923.11431.34983.29802.68643.3687

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.710 C1 S3 H7 95.710
S2 C1 S3 116.243 S2 C1 H4 110.692
S2 C1 H5 105.553 S3 C1 H4 105.553
S3 C1 H5 110.692 H4 C1 H5 107.914
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability