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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B2PLYP=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31G
 hartrees
Energy at 0K-438.396813
Energy at 298.15K-438.400621
HF Energy-438.344844
Nuclear repulsion energy54.669696
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 B2PLYP=FULL/6-31G
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 6.82 63.32 0.75 0.86
2 A' 3113 3113 22.24 109.75 0.01 0.01
3 A' 2518 2518 53.55 164.17 0.40 0.57
4 A' 1544 1544 10.05 19.32 0.75 0.86
5 A' 1420 1420 7.98 1.43 0.58 0.74
6 A' 1107 1107 24.79 23.39 0.72 0.84
7 A' 789 789 3.16 12.36 0.70 0.82
8 A' 662 662 3.81 24.78 0.30 0.47
9 A" 3219 3219 11.21 66.26 0.75 0.86
10 A" 1538 1538 9.56 22.55 0.75 0.86
11 A" 1006 1006 7.26 11.83 0.75 0.86
12 A" 222 222 24.27 10.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10181.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10181.5 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 B2PLYP=FULL/6-31G
ABC
3.35628 0.40004 0.38383

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.206 0.000
S2 -0.050 -0.691 0.000
H3 1.317 -0.858 0.000
H4 -1.099 1.500 0.000
H5 0.438 1.585 0.897
H6 0.438 1.585 -0.897

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.89682.47501.08911.08901.0890
S21.89681.37652.42842.49422.4942
H32.47501.37653.37482.74652.7465
H41.08912.42843.37481.78111.7811
H51.08902.49422.74651.78111.7940
H61.08902.49422.74651.78111.7940

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.966 S2 C1 H4 105.627
S2 C1 H5 110.361 S2 C1 H6 110.361
H4 C1 H5 109.721 H4 C1 H6 109.721
H5 C1 H6 110.917
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability