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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: QCISD/cc-pCVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/cc-pCVDZ
 hartrees
Energy at 0K-438.049833
Energy at 298.15K-438.053728
HF Energy-437.725932
Nuclear repulsion energy55.864500
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/cc-pCVDZ
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' 3179 3179 8.76      
2 A' 3078 3078 27.04      
3 A' 2734 2734 11.91      
4 A' 1490 1490 5.82      
5 A' 1366 1366 9.62      
6 A' 1106 1106 11.90      
7 A' 804 804 0.68      
8 A' 728 728 1.80      
9 A" 3176 3176 12.74      
10 A" 1477 1477 3.49      
11 A" 979 979 4.08      
12 A" 253 253 14.88      

Unscaled Zero Point Vibrational Energy (zpe) 10184.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10184.0 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/cc-pCVDZ
ABC
3.37212 0.42480 0.40723

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pCVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.159 0.000
S2 -0.048 -0.671 0.000
H3 1.294 -0.821 0.000
H4 -1.106 1.471 0.000
H5 0.438 1.563 0.903
H6 0.438 1.563 -0.903

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83012.39281.10271.10211.1021
S21.83011.35102.38872.45792.4579
H32.39281.35103.31902.68952.6895
H41.10272.38873.31901.79091.7909
H51.10212.45792.68951.79091.8061
H61.10212.45792.68951.79091.8061

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.394 S2 C1 H4 106.414
S2 C1 H5 111.480 S2 C1 H6 111.480
H4 C1 H5 108.638 H4 C1 H6 108.638
H5 C1 H6 110.048
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability