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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: MP4=FULL/daug-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 MP4=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-835.787109
Energy at 298.15K 
HF Energy-835.260723
Nuclear repulsion energy140.386976
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/daug-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 3074 3074        
2 A 2706 2706        
3 A 1433 1433        
4 A 1193 1193        
5 A 893 893        
6 A 632 632        
7 A 289 289        
8 A 213 213        
9 B 3139 3139        
10 B 2706 2706        
11 B 1239 1239        
12 B 991 991        
13 B 760 760        
14 B 701 701        
15 B 230 230        

Unscaled Zero Point Vibrational Energy (zpe) 10098.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10098.7 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/daug-cc-pVDZ
ABC
0.86298 0.10399 0.09713

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/daug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.795
S2 0.000 1.556 -0.183
S3 0.000 -1.556 -0.183
H4 0.892 -0.054 1.438
H5 -0.892 0.054 1.438
H6 1.110 1.264 -0.900
H7 -1.110 -1.264 -0.900

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.83731.83731.10121.10122.38812.3881
S21.83733.11172.45192.38301.35373.1145
S31.83733.11172.38302.45193.11451.3537
H41.10122.45192.38301.78762.69273.3077
H51.10122.38302.45191.78763.30772.6927
H62.38811.35373.11452.69273.30773.3647
H72.38813.11451.35373.30772.69273.3647

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.711 C1 S3 H7 95.711
S2 C1 S3 115.738 S2 C1 H4 110.602
S2 C1 H5 105.632 S3 C1 H4 105.632
S3 C1 H5 110.602 H4 C1 H5 108.519
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability