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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: MP4=FULL/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP4=FULL/Def2TZVPP
 hartrees
Energy at 0K-836.234334
Energy at 298.15K 
HF Energy-835.290060
Nuclear repulsion energy142.144004
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 MP4=FULL/Def2TZVPP
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 3082 3082        
2 A 2734 2734        
3 A 1454 1454        
4 A 1206 1206        
5 A 910 910        
6 A 644 644        
7 A 297 297        
8 A 214 214        
9 B 3141 3141        
10 B 2734 2734        
11 B 1262 1262        
12 B 1006 1006        
13 B 779 779        
14 B 714 714        
15 B 237 237        

Unscaled Zero Point Vibrational Energy (zpe) 10207.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10207.3 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 MP4=FULL/Def2TZVPP
ABC
0.88763 0.10650 0.09945

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.783
S2 0.000 1.538 -0.179
S3 0.000 -1.538 -0.179
H4 0.879 -0.055 1.421
H5 -0.879 0.055 1.421
H6 1.085 1.246 -0.901
H7 -1.085 -1.246 -0.901

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81421.81421.08691.08692.35952.3595
S21.81423.07562.42272.35161.33553.0739
S31.81423.07562.35162.42273.07391.3355
H41.08692.42272.35161.76072.66953.2657
H51.08692.35162.42271.76073.26572.6695
H62.35951.33553.07392.66953.26573.3048
H72.35953.07391.33553.26572.66953.3048

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.831 C1 S3 H7 95.831
S2 C1 S3 115.915 S2 C1 H4 110.742
S2 C1 H5 105.552 S3 C1 H4 105.552
S3 C1 H5 110.742 H4 C1 H5 108.190
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability