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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CISD/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 CISD/cc-pV(T+d)Z
 hartrees
Energy at 0K-438.116955
Energy at 298.15K-438.120864
HF Energy-437.758875
Nuclear repulsion energy56.630020
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 CISD/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' 3225 3225 7.22      
2 A' 3137 3137 22.73      
3 A' 2800 2800 3.25      
4 A' 1541 1541 6.59      
5 A' 1411 1411 6.17      
6 A' 1140 1140 11.63      
7 A' 826 826 0.49      
8 A' 752 752 1.57      
9 A" 3228 3228 8.23      
10 A" 1526 1526 4.21      
11 A" 1009 1009 3.92      
12 A" 247 247 13.11      

Unscaled Zero Point Vibrational Energy (zpe) 10419.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10419.7 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 CISD/cc-pV(T+d)Z
ABC
3.49494 0.43509 0.41733

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.047 1.147 0.000
S2 -0.047 -0.662 0.000
H3 1.272 -0.828 0.000
H4 -1.087 1.453 0.000
H5 0.430 1.541 0.887
H6 0.430 1.541 -0.887

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.80912.37521.08311.08171.0817
S21.80911.32952.35612.42232.4223
H32.37521.32953.28072.66612.6661
H41.08312.35613.28071.75901.7590
H51.08172.42232.66611.75901.7749
H61.08172.42232.66611.75901.7749

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.180 S2 C1 H4 106.382
S2 C1 H5 111.341 S2 C1 H6 111.341
H4 C1 H5 108.695 H4 C1 H6 108.695
H5 C1 H6 110.244
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability