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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: CCD/6-311G**

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/6-311G**
 hartrees
Energy at 0K-438.066755
Energy at 298.15K-438.070666
HF Energy-437.739888
Nuclear repulsion energy56.296817
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/6-311G**
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' 3179 3036 10.11      
2 A' 3089 2950 27.30      
3 A' 2770 2645 10.90      
4 A' 1507 1439 6.69      
5 A' 1421 1357 10.27      
6 A' 1133 1083 21.56      
7 A' 831 793 1.16      
8 A' 749 715 1.21      
9 A" 3179 3037 12.38      
10 A" 1489 1423 3.36      
11 A" 1013 967 9.15      
12 A" 251 240 14.56      

Unscaled Zero Point Vibrational Energy (zpe) 10304.8 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 9842.1 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/6-311G**
ABC
3.44388 0.43051 0.41286

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.151 0.000
S2 -0.048 -0.667 0.000
H3 1.281 -0.814 0.000
H4 -1.094 1.465 0.000
H5 0.432 1.553 0.894
H6 0.432 1.553 -0.894

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81782.37211.09231.09131.0913
S21.81781.33722.37452.44062.4406
H32.37211.33723.29152.66842.6684
H41.09232.37453.29151.77121.7712
H51.09132.44062.66841.77121.7877
H61.09132.44062.66841.77121.7877

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.311 S2 C1 H4 106.691
S2 C1 H5 111.603 S2 C1 H6 111.603
H4 C1 H5 108.408 H4 C1 H6 108.408
H5 C1 H6 109.973
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability