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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-438.487709
Energy at 298.15K-438.491596
HF Energy-438.396001
Nuclear repulsion energy56.160652
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' 3207 3207 7.76 62.57 0.75 0.86
2 A' 3109 3109 24.40 109.55 0.00 0.01
3 A' 2747 2747 15.15 131.13 0.37 0.54
4 A' 1526 1526 7.81 17.09 0.75 0.86
5 A' 1408 1408 9.88 3.89 0.48 0.65
6 A' 1128 1128 20.86 16.63 0.72 0.83
7 A' 818 818 1.20 8.46 0.56 0.72
8 A' 725 725 2.26 13.83 0.28 0.44
9 A" 3205 3205 10.41 68.10 0.75 0.86
10 A" 1514 1514 4.88 19.03 0.75 0.86
11 A" 1003 1003 5.69 7.21 0.75 0.86
12 A" 251 251 17.91 4.53 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10320.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10320.3 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
3.44994 0.42730 0.40987

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 -0.048 1.158 0.000
S2 -0.048 -0.668 0.000
H3 1.283 -0.828 0.000
H4 -1.092 1.464 0.000
H5 0.431 1.556 0.892
H6 0.431 1.556 -0.892

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82622.39071.08861.08811.0881
S21.82621.34032.37472.44392.4439
H32.39071.34033.30122.68432.6843
H41.08862.37473.30121.76811.7681
H51.08812.44392.68431.76811.7842
H61.08812.44392.68431.76811.7842

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.857 S2 C1 H4 106.354
S2 C1 H5 111.460 S2 C1 H6 111.460
H4 C1 H5 108.640 H4 C1 H6 108.640
H5 C1 H6 110.140
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 -0.462      
2 S -0.035      
3 H 0.058      
4 H 0.150      
5 H 0.145      
6 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.889 1.453 0.000 1.704
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.178 -1.400 -0.003
y -1.400 -20.290 -0.008
z -0.003 -0.008 -22.537
Traceless
 xyz
x 2.236 -1.400 -0.003
y -1.400 0.567 -0.008
z -0.003 -0.008 -2.803
Polar
3z2-r2-5.606
x2-y21.113
xy-1.400
xz-0.003
yz-0.008


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.825 -0.235 0.001
y -0.235 4.762 0.001
z 0.001 0.001 3.103


<r2> (average value of r2) Å2
<r2> 40.624
(<r2>)1/2 6.374