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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP2/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/daug-cc-pVTZ
 hartrees
Energy at 0K-438.129240
Energy at 298.15K-438.133103
HF Energy-437.757767
Nuclear repulsion energy56.428732
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 MP2/daug-cc-pVTZ
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' 3194 3194 3.86 50.57 0.75 0.85
2 A' 3093 3093 19.05 155.07 0.00 0.00
3 A' 2767 2767 0.60 125.93 0.19 0.32
4 A' 1511 1511 7.11 4.03 0.75 0.86
5 A' 1369 1369 5.36 0.64 0.05 0.09
6 A' 1105 1105 10.16 1.63 0.62 0.77
7 A' 811 811 0.32 7.61 0.17 0.29
8 A' 736 736 1.53 14.35 0.18 0.30
9 A" 3197 3197 3.12 58.55 0.75 0.86
10 A" 1496 1496 4.26 3.90 0.75 0.86
11 A" 989 989 4.03 0.08 0.75 0.86
12 A" 236 236 10.95 0.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10252.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10252.2 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 MP2/daug-cc-pVTZ
ABC
3.45525 0.43244 0.41469

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.152 0.000
S2 -0.048 -0.664 0.000
H3 1.280 -0.821 0.000
H4 -1.092 1.453 0.000
H5 0.431 1.542 0.892
H6 0.431 1.542 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81602.37741.08711.08561.0856
S21.81601.33662.36072.42812.4281
H32.37741.33663.28552.66462.6646
H41.08712.36073.28551.76801.7680
H51.08562.42812.66461.76801.7849
H61.08562.42812.66461.76801.7849

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.716 S2 C1 H4 106.081
S2 C1 H5 111.095 S2 C1 H6 111.095
H4 C1 H5 108.924 H4 C1 H6 108.924
H5 C1 H6 110.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability