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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B2PLYP/6-31G

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/6-31G
 hartrees
Energy at 0K-438.395467
Energy at 298.15K-438.399276
HF Energy-438.344842
Nuclear repulsion energy54.668216
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/6-31G
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' 3224 3224 6.84 63.35 0.75 0.86
2 A' 3113 3113 22.28 109.79 0.01 0.01
3 A' 2518 2518 53.53 164.20 0.40 0.57
4 A' 1544 1544 10.04 19.32 0.75 0.86
5 A' 1420 1420 8.00 1.44 0.58 0.74
6 A' 1107 1107 24.76 23.38 0.72 0.84
7 A' 789 789 3.16 12.36 0.70 0.82
8 A' 662 662 3.82 24.79 0.30 0.47
9 A" 3219 3219 11.24 66.29 0.75 0.86
10 A" 1538 1538 9.55 22.55 0.75 0.86
11 A" 1007 1007 7.25 11.83 0.75 0.86
12 A" 222 222 24.29 10.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10181.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10181.3 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/6-31G
ABC
3.35622 0.40001 0.38381

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.206 0.000
S2 -0.050 -0.691 0.000
H3 1.317 -0.858 0.000
H4 -1.099 1.500 0.000
H5 0.438 1.585 0.897
H6 0.438 1.585 -0.897

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.89692.47511.08921.08901.0890
S21.89691.37642.42852.49432.4943
H32.47511.37643.37492.74662.7466
H41.08922.42853.37491.78121.7812
H51.08902.49432.74661.78121.7941
H61.08902.49432.74661.78121.7941

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.966 S2 C1 H4 105.631
S2 C1 H5 110.363 S2 C1 H6 110.363
H4 C1 H5 109.719 H4 C1 H6 109.719
H5 C1 H6 110.912
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.613      
2 S 0.016      
3 H 0.048      
4 H 0.188      
5 H 0.180      
6 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.113 1.697 0.000 2.029
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.623 -1.623 -0.003
y -1.623 -20.737 -0.009
z -0.003 -0.009 -22.839
Traceless
 xyz
x 2.165 -1.623 -0.003
y -1.623 0.494 -0.009
z -0.003 -0.009 -2.659
Polar
3z2-r2-5.318
x2-y21.114
xy-1.623
xz-0.003
yz-0.009


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.915 -0.306 0.001
y -0.306 4.946 0.001
z 0.001 0.001 2.747


<r2> (average value of r2) Å2
<r2> 42.517
(<r2>)1/2 6.521