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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-438.756771
Energy at 298.15K-438.760629
HF Energy-438.756771
Nuclear repulsion energy56.149658
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 TPSSh/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' 3136 3036 8.55 62.60 0.75 0.86
2 A' 3049 2952 25.48 147.82 0.00 0.00
3 A' 2686 2601 4.94 128.11 0.28 0.44
4 A' 1498 1451 6.65 8.19 0.75 0.86
5 A' 1358 1315 8.05 0.79 0.44 0.61
6 A' 1097 1062 10.43 5.75 0.73 0.85
7 A' 792 766 0.42 6.79 0.33 0.50
8 A' 701 679 2.34 12.84 0.22 0.36
9 A" 3135 3035 10.49 67.34 0.75 0.86
10 A" 1487 1439 3.87 7.94 0.75 0.86
11 A" 971 940 4.13 2.37 0.75 0.86
12 A" 246 238 13.11 4.20 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10077.2 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 9757.8 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 TPSSh/cc-pVTZ
ABC
3.43079 0.42774 0.41019

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.159 0.000
S2 -0.048 -0.668 0.000
H3 1.287 -0.830 0.000
H4 -1.095 1.458 0.000
H5 0.432 1.550 0.895
H6 0.432 1.550 -0.895

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82652.39531.08911.08831.0883
S21.82651.34442.36932.43932.4393
H32.39531.34443.30272.68272.6827
H41.08912.36933.30271.77281.7728
H51.08832.43932.68271.77281.7895
H61.08832.43932.68271.77281.7895

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.946 S2 C1 H4 105.918
S2 C1 H5 111.075 S2 C1 H6 111.075
H4 C1 H5 109.012 H4 C1 H6 109.012
H5 C1 H6 110.602
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.211      
2 S -0.156      
3 H 0.074      
4 H 0.096      
5 H 0.099      
6 H 0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.734 1.409 0.000 1.589
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.480 -0.210 0.000
y -0.210 5.779 0.000
z 0.000 0.000 3.739


<r2> (average value of r2) Å2
<r2> 40.530
(<r2>)1/2 6.366