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/6-31G*

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/6-31G*
 hartrees
Energy at 0K-835.627853
Energy at 298.15K 
HF Energy-835.210627
Nuclear repulsion energy148.323302
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/6-31G*
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 3187 3035 7.72      
2 A 3173 3021 6.83      
3 A 3083 2936 18.19      
4 A 2671 2544 24.93      
5 A 1529 1456 9.27      
6 A 1509 1437 8.51      
7 A 1425 1357 3.01      
8 A 1027 978 8.95      
9 A 1023 974 5.21      
10 A 925 881 9.88      
11 A 737 702 0.94      
12 A 520 495 0.52      
13 A 314 299 20.18      
14 A 247 235 0.11      
15 A 179 170 0.61      

Unscaled Zero Point Vibrational Energy (zpe) 10773.7 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 10259.8 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/6-31G*
ABC
0.55006 0.14549 0.12055

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.638 0.695 -0.005
S2 -0.484 -0.712 0.015
S3 1.355 0.243 -0.088
H4 1.567 0.449 1.231
H5 -1.482 1.313 -0.894
H6 -2.647 0.269 -0.036
H7 -1.536 1.306 0.896

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81973.02783.44411.09321.09601.0938
S21.81972.07492.65202.43382.37562.4402
S33.02782.07491.35173.13734.00263.2331
H43.44412.65201.35173.81574.40443.2365
H51.09322.43383.13733.81571.78431.7903
H61.09602.37564.00264.40441.78431.7832
H71.09382.44023.23313.23651.79031.7832

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 101.854 S2 C1 H5 110.864
S2 C1 H6 106.471 S2 C1 H7 111.308
S2 S3 H4 99.242 H5 C1 H6 109.183
H5 C1 H7 109.885 H6 C1 H7 109.039
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability