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)/cc-pV(T+d)Z

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)/cc-pV(T+d)Z
 hartrees
Energy at 0K-835.917628
Energy at 298.15K 
HF Energy-835.312822
Nuclear repulsion energy149.072965
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)/cc-pV(T+d)Z
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 3148 3148        
2 A 3133 3133        
3 A 3043 3043        
4 A 2657 2657        
5 A 1485 1485        
6 A 1465 1465        
7 A 1348 1348        
8 A 976 976        
9 A 973 973        
10 A 887 887        
11 A 713 713        
12 A 516 516        
13 A 326 326        
14 A 240 240        
15 A 175 175        

Unscaled Zero Point Vibrational Energy (zpe) 10541.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10541.7 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 QCISD(T)/cc-pV(T+d)Z
ABC
0.55455 0.14703 0.12179

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/cc-pV(T+d)Z

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.634 0.691 -0.006
S2 -0.478 -0.709 0.015
S3 1.347 0.244 -0.087
H4 1.542 0.442 1.227
H5 -1.480 1.300 -0.895
H6 -2.637 0.259 -0.028
H7 -1.522 1.299 0.891

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81653.01583.41611.08871.09201.0891
S21.81652.06152.62222.42272.36632.4273
S33.01582.06151.34353.12453.98423.2099
H43.41612.62221.34353.79144.36693.1992
H51.08872.42273.12453.79141.78111.7873
H61.09202.36633.98424.36691.78111.7802
H71.08912.42733.20993.19921.78731.7802

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 101.909 S2 C1 H5 110.490
S2 C1 H6 106.205 S2 C1 H7 110.813
S2 S3 H4 98.522 H5 C1 H6 109.526
H5 C1 H7 110.303 H6 C1 H7 109.411
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability