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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B3PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/TZVP
 hartrees
Energy at 0K-438.675572
Energy at 298.15K-438.679438
HF Energy-438.675572
Nuclear repulsion energy56.097060
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 B3PW91/TZVP
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' 3158 3046 6.73 67.09 0.75 0.86
2 A' 3064 2955 25.29 143.90 0.00 0.01
3 A' 2684 2588 7.29 140.95 0.32 0.48
4 A' 1483 1430 9.48 13.79 0.75 0.85
5 A' 1364 1316 6.05 3.59 0.43 0.60
6 A' 1094 1055 15.56 11.85 0.67 0.80
7 A' 801 772 1.20 8.12 0.38 0.55
8 A' 714 688 2.31 12.85 0.30 0.46
9 A" 3155 3042 9.38 70.64 0.75 0.86
10 A" 1470 1418 5.83 15.81 0.75 0.86
11 A" 974 939 6.87 5.90 0.75 0.86
12 A" 247 239 19.43 5.55 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10104.2 cm-1
Scaled (by 0.9643) Zero Point Vibrational Energy (zpe) 9743.4 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 B3PW91/TZVP
ABC
3.42839 0.42707 0.40948

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.158 0.000
S2 -0.048 -0.668 0.000
H3 1.291 -0.830 0.000
H4 -1.094 1.462 0.000
H5 0.430 1.556 0.894
H6 0.430 1.556 -0.894

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82672.39781.08941.08891.0889
S21.82671.34932.37342.44442.4444
H32.39781.34933.30862.69002.6900
H41.08942.37343.30861.76961.7696
H51.08892.44442.69001.76961.7878
H61.08892.44442.69001.76961.7878

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.897 S2 C1 H4 106.181
S2 C1 H5 111.415 S2 C1 H6 111.415
H4 C1 H5 108.658 H4 C1 H6 108.658
H5 C1 H6 110.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.396      
2 S -0.140      
3 H 0.089      
4 H 0.147      
5 H 0.150      
6 H 0.150      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.883 1.461 0.000 1.707
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.032 -1.392 0.000
y -1.392 -20.296 0.000
z 0.000 0.000 -22.494
Traceless
 xyz
x 2.363 -1.392 0.000
y -1.392 0.467 0.000
z 0.000 0.000 -2.830
Polar
3z2-r2-5.660
x2-y21.264
xy-1.392
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.183 -0.234 0.000
y -0.234 5.329 0.000
z 0.000 0.000 3.306


<r2> (average value of r2) Å2
<r2> 40.623
(<r2>)1/2 6.374