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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31+G**
 hartrees
Energy at 0K-438.022585
Energy at 298.15K-438.026497
HF Energy-437.709795
Nuclear repulsion energy56.325616
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 CCD/6-31+G**
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' 3234 3047 9.72      
2 A' 3134 2953 27.51      
3 A' 2787 2626 15.48      
4 A' 1531 1443 7.01      
5 A' 1439 1356 9.52      
6 A' 1146 1080 21.22      
7 A' 834 786 2.25      
8 A' 751 707 1.08      
9 A" 3231 3044 9.89      
10 A" 1510 1423 4.11      
11 A" 1017 959 4.28      
12 A" 252 237 16.82      

Unscaled Zero Point Vibrational Energy (zpe) 10432.9 cm-1
Scaled (by 0.9423) Zero Point Vibrational Energy (zpe) 9830.9 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 CCD/6-31+G**
ABC
3.46775 0.42999 0.41242

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.153 0.000
S2 -0.048 -0.667 0.000
H3 1.278 -0.818 0.000
H4 -1.089 1.466 0.000
H5 0.433 1.552 0.890
H6 0.433 1.552 -0.890

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81972.37511.08771.08711.0871
S21.81971.33412.37372.43862.4386
H32.37511.33413.28932.66892.6689
H41.08772.37373.28931.76511.7651
H51.08712.43862.66891.76511.7794
H61.08712.43862.66891.76511.7794

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.499 S2 C1 H4 106.737
S2 C1 H5 111.549 S2 C1 H6 111.549
H4 C1 H5 108.508 H4 C1 H6 108.508
H5 C1 H6 109.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability