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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: MP2/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-438.032536
Energy at 298.15K-438.036389
HF Energy-437.729959
Nuclear repulsion energy55.883333
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/aug-cc-pVDZ
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' 3195 3064 5.85 52.22 0.75 0.86
2 A' 3088 2961 22.54 151.56 0.00 0.00
3 A' 2752 2639 1.77 127.79 0.21 0.34
4 A' 1476 1415 6.21 4.36 0.75 0.85
5 A' 1346 1291 7.57 0.35 0.08 0.16
6 A' 1092 1047 9.90 2.01 0.71 0.83
7 A' 801 768 0.38 8.35 0.19 0.32
8 A' 724 694 2.12 15.79 0.19 0.31
9 A" 3198 3067 5.11 60.58 0.75 0.86
10 A" 1465 1404 3.66 3.89 0.75 0.86
11 A" 976 936 4.29 0.11 0.75 0.86
12 A" 233 224 11.88 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10171.8 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 9754.7 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 MP2/aug-cc-pVDZ
ABC
3.38391 0.42437 0.40697

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.162 0.000
S2 -0.048 -0.671 0.000
H3 1.293 -0.826 0.000
H4 -1.104 1.467 0.000
H5 0.435 1.558 0.902
H6 0.435 1.558 -0.902

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83272.39831.09911.09771.0977
S21.83271.34982.38452.45282.4528
H32.39831.34983.31742.69012.6901
H41.09912.38453.31741.78651.7865
H51.09772.45282.69011.78651.8048
H61.09772.45282.69011.78651.8048

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.630 S2 C1 H4 106.133
S2 C1 H5 111.163 S2 C1 H6 111.163
H4 C1 H5 108.826 H4 C1 H6 108.826
H5 C1 H6 110.580
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability