return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3SSH (Hydrogen methyl disulfide)

using model chemistry: QCISD(T)=FULL/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at QCISD(T)=FULL/Def2TZVPP
 hartrees
Energy at 0K-836.241858
Energy at 298.15K 
HF Energy-835.299229
Nuclear repulsion energy149.431794
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 QCISD(T)=FULL/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3151 3151        
2 A 3136 3136        
3 A 3047 3047        
4 A 2675 2675        
5 A 1486 1486        
6 A 1467 1467        
7 A 1354 1354        
8 A 977 977        
9 A 972 972        
10 A 890 890        
11 A 714 714        
12 A 517 517        
13 A 330 330        
14 A 241 241        
15 A 173 173        

Unscaled Zero Point Vibrational Energy (zpe) 10565.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10565.1 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 QCISD(T)=FULL/Def2TZVPP
ABC
0.55644 0.14784 0.12241

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/Def2TZVPP

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.629 0.691 -0.006
S2 -0.477 -0.708 0.015
S3 1.344 0.243 -0.087
H4 1.537 0.441 1.225
H5 -1.474 1.297 -0.893
H6 -2.630 0.260 -0.028
H7 -1.516 1.296 0.890

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81233.00733.40581.08601.08951.0864
S21.81232.05702.61562.41632.36042.4209
S33.00732.05701.34033.11453.97363.1995
H43.40582.61561.34033.77964.35463.1879
H51.08602.41633.11453.77961.77711.7832
H61.08952.36043.97364.35461.77711.7767
H71.08642.42093.19953.18791.78321.7767

picture of Hydrogen methyl disulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 S3 101.827 S2 C1 H5 110.447
S2 C1 H6 106.178 S2 C1 H7 110.764
S2 S3 H4 98.483 H5 C1 H6 109.544
H5 C1 H7 110.341 H6 C1 H7 109.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability