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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: MP3=FULL/6-31+G**

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=FULL/6-31+G**
 hartrees
Energy at 0K-835.686343
Energy at 298.15K 
HF Energy-835.217438
Nuclear repulsion energy142.036197
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=FULL/6-31+G**
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 3188 2970 8.49      
2 A 2819 2626 2.33      
3 A 1497 1395 1.07      
4 A 1255 1170 1.09      
5 A 957 891 6.41      
6 A 673 627 3.10      
7 A 325 303 16.78      
8 A 254 236 2.15      
9 B 3250 3028 1.14      
10 B 2818 2625 6.31      
11 B 1343 1252 25.25      
12 B 1064 991 35.45      
13 B 811 756 17.64      
14 B 759 707 0.72      
15 B 277 258 41.90      

Unscaled Zero Point Vibrational Energy (zpe) 10645.0 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 9916.9 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=FULL/6-31+G**
ABC
0.89188 0.10602 0.09910

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.780
S2 0.000 1.541 -0.179
S3 0.000 -1.541 -0.179
H4 0.874 -0.056 1.421
H5 -0.874 0.056 1.421
H6 1.092 1.263 -0.889
H7 -1.092 -1.263 -0.889

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81521.81521.08501.08502.36072.3607
S21.81523.08192.42362.35171.33153.0918
S31.81523.08192.35172.42363.09181.3315
H41.08502.42362.35171.75062.66873.2645
H51.08502.35172.42361.75063.26452.6687
H62.36071.33153.09182.66873.26453.3399
H72.36073.09181.33153.26452.66873.3399

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.997 C1 S3 H7 95.997
S2 C1 S3 116.190 S2 C1 H4 110.847
S2 C1 H5 105.588 S3 C1 H4 105.588
S3 C1 H5 110.847 H4 C1 H5 107.560
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability