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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD/cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD/cc-pCVTZ
 hartrees
Energy at 0K-438.157093
Energy at 298.15K-438.160976
HF Energy-437.758623
Nuclear repulsion energy56.404996
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/cc-pCVTZ
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' 3168 3168 7.40      
2 A' 3080 3080 22.43      
3 A' 2736 2736 4.03      
4 A' 1511 1511 6.22      
5 A' 1380 1380 6.27      
6 A' 1114 1114 10.78      
7 A' 809 809 0.48      
8 A' 733 733 1.35      
9 A" 3171 3171 8.27      
10 A" 1497 1497 3.93      
11 A" 988 988 3.73      
12 A" 241 241 12.37      

Unscaled Zero Point Vibrational Energy (zpe) 10214.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10214.4 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/cc-pCVTZ
ABC
3.46072 0.43189 0.41419

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.151 0.000
S2 -0.048 -0.665 0.000
H3 1.279 -0.824 0.000
H4 -1.091 1.458 0.000
H5 0.431 1.546 0.891
H6 0.431 1.546 -0.891

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81612.37981.08771.08631.0863
S21.81611.33622.36502.43162.4316
H32.37981.33623.29022.67072.6707
H41.08772.36503.29021.76681.7668
H51.08632.43162.67071.76681.7827
H61.08632.43162.67071.76681.7827

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.861 S2 C1 H4 106.346
S2 C1 H5 111.317 S2 C1 H6 111.317
H4 C1 H5 108.719 H4 C1 H6 108.719
H5 C1 H6 110.281
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability