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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: CCSD(T)=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(T)=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-836.015421
Energy at 298.15K 
HF Energy-835.300951
Nuclear repulsion energy142.254683
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(T)=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 3115 3002        
2 A 2704 2606        
3 A 1472 1418        
4 A 1213 1169        
5 A 917 884        
6 A 652 628        
7 A 296 285        
8 A 218 210        
9 B 3138 3024        
10 B 2704 2606        
11 B 1266 1220        
12 B 1012 975        
13 B 785 757        
14 B 718 692        
15 B 233 224        

Unscaled Zero Point Vibrational Energy (zpe) 10221.5 cm-1
Scaled (by 0.9637) Zero Point Vibrational Energy (zpe) 9850.5 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(T)=FULL/aug-cc-pVTZ
ABC
0.88220 0.10699 0.09980

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.787
S2 0.000 1.534 -0.180
S3 0.000 -1.534 -0.180
H4 0.878 -0.050 1.423
H5 -0.878 0.050 1.423
H6 1.084 1.232 -0.906
H7 -1.084 -1.232 -0.906

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81391.81391.08511.08512.35822.3582
S21.81393.06902.41862.35451.33923.0591
S31.81393.06902.35452.41863.05911.3392
H41.08512.41862.35451.75942.66623.2667
H51.08512.35452.41861.75943.26672.6662
H62.35821.33923.05912.66623.26673.2826
H72.35823.05911.33923.26672.66623.2826

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 95.640 C1 S3 H7 95.640
S2 C1 S3 115.548 S2 C1 H4 110.551
S2 C1 H5 105.863 S3 C1 H4 105.863
S3 C1 H5 110.551 H4 C1 H5 108.332
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability