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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD/cc-pV(D+d)Z

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-pV(D+d)Z
 hartrees
Energy at 0K-438.053560
Energy at 298.15K 
HF Energy-437.729201
Nuclear repulsion energy56.037052
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-pV(D+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' 3177 3177 8.71      
2 A' 3078 3078 27.14      
3 A' 2746 2746 10.53      
4 A' 1490 1490 6.05      
5 A' 1370 1370 8.69      
6 A' 1112 1112 12.58      
7 A' 808 808 0.55      
8 A' 733 733 1.62      
9 A" 3175 3175 12.68      
10 A" 1477 1477 3.57      
11 A" 981 981 4.21      
12 A" 258 258 14.60      

Unscaled Zero Point Vibrational Energy (zpe) 10201.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10201.8 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 CCSD/cc-pV(D+d)Z
ABC
3.38382 0.42794 0.41026

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.154 0.000
S2 -0.048 -0.668 0.000
H3 1.290 -0.819 0.000
H4 -1.106 1.467 0.000
H5 0.437 1.560 0.903
H6 0.437 1.560 -0.903

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82212.38371.10291.10221.1022
S21.82211.34632.38272.45282.4528
H32.38371.34633.31102.68382.6838
H41.10292.38273.31101.78951.7895
H51.10222.45282.68381.78951.8051
H61.10222.45282.68381.78951.8051

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.427 S2 C1 H4 106.486
S2 C1 H5 111.638 S2 C1 H6 111.638
H4 C1 H5 108.494 H4 C1 H6 108.494
H5 C1 H6 109.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability