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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCSD/aug-cc-pV(T+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/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-438.163812
Energy at 298.15K-438.167808
HF Energy-437.759796
Nuclear repulsion energy56.391112
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/aug-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' 3164 3164 6.31      
2 A' 3077 3077 21.51      
3 A' 2731 2731 2.52      
4 A' 1517 1517 6.61      
5 A' 1385 1385 5.63      
6 A' 1117 1117 10.10      
7 A' 813 813 0.37      
8 A' 733 733 1.32      
9 A" 3168 3168 5.70      
10 A" 1502 1502 4.06      
11 A" 994 994 3.41      
12 A" 237 237 10.28      

Unscaled Zero Point Vibrational Energy (zpe) 10218.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10218.9 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/aug-cc-pV(T+d)Z
ABC
3.45285 0.43185 0.41413

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.152 0.000
S2 -0.048 -0.665 0.000
H3 1.279 -0.825 0.000
H4 -1.092 1.457 0.000
H5 0.433 1.543 0.893
H6 0.433 1.543 -0.893

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81672.38141.08831.08681.0868
S21.81671.33682.36512.42972.4297
H32.38141.33683.29172.66902.6690
H41.08832.36513.29171.76951.7695
H51.08682.42972.66901.76951.7854
H61.08682.42972.66901.76951.7854

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.902 S2 C1 H4 106.289
S2 C1 H5 111.099 S2 C1 H6 111.099
H4 C1 H5 108.889 H4 C1 H6 108.889
H5 C1 H6 110.444
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability