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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B2PLYP=FULL/aug-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 B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-438.583906
Energy at 298.15K-438.587762
HF Energy-438.445184
Nuclear repulsion energy56.299164
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/aug-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' 3163 3034 5.76 54.22 0.75 0.86
2 A' 3082 2956 22.60 156.86 0.00 0.01
3 A' 2717 2607 2.09 127.15 0.21 0.35
4 A' 1507 1446 7.28 4.10 0.75 0.86
5 A' 1370 1314 5.86 0.43 0.05 0.09
6 A' 1105 1060 10.14 1.79 0.65 0.79
7 A' 805 772 0.34 6.44 0.19 0.32
8 A' 714 685 1.70 16.17 0.18 0.30
9 A" 3165 3037 5.18 64.03 0.75 0.86
10 A" 1493 1433 4.36 3.96 0.75 0.86
11 A" 984 944 4.03 0.07 0.75 0.86
12 A" 233 224 10.73 0.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10168.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9755.9 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 B2PLYP=FULL/aug-cc-pVTZ
ABC
3.45825 0.42965 0.41207

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.156 0.000
S2 -0.048 -0.666 0.000
H3 1.281 -0.830 0.000
H4 -1.091 1.458 0.000
H5 0.431 1.547 0.891
H6 0.431 1.547 -0.891

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82222.38981.08571.08441.0844
S21.82221.33932.36622.43312.4331
H32.38981.33933.29562.67682.6768
H41.08572.36623.29561.76581.7658
H51.08442.43312.67681.76581.7821
H61.08442.43312.67681.76581.7821

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.025 S2 C1 H4 106.138
S2 C1 H5 111.110 S2 C1 H6 111.110
H4 C1 H5 108.917 H4 C1 H6 108.917
H5 C1 H6 110.510
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability