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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-438.485705
Energy at 298.15K-438.489602
HF Energy-438.485705
Nuclear repulsion energy56.255602
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 PBE1PBE/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' 3195 3045 5.49 65.61 0.75 0.86
2 A' 3096 2950 23.54 113.53 0.00 0.01
3 A' 2732 2604 19.13 137.77 0.39 0.56
4 A' 1514 1443 10.51 17.87 0.75 0.86
5 A' 1399 1333 5.93 5.12 0.49 0.65
6 A' 1124 1071 23.59 17.47 0.71 0.83
7 A' 817 778 0.97 10.06 0.53 0.69
8 A' 737 702 2.44 10.54 0.28 0.44
9 A" 3190 3041 8.01 72.56 0.75 0.86
10 A" 1505 1434 7.21 19.80 0.75 0.86
11 A" 998 951 7.93 7.69 0.75 0.86
12 A" 257 245 20.87 4.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10281.1 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 9798.9 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 PBE1PBE/6-31G**
ABC
3.42766 0.43066 0.41287

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.151 0.000
S2 -0.048 -0.666 0.000
H3 1.288 -0.829 0.000
H4 -1.096 1.459 0.000
H5 0.430 1.555 0.895
H6 0.430 1.555 -0.895

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81692.38861.09261.09231.0923
S21.81691.34612.36912.44152.4415
H32.38861.34613.30442.68672.6867
H41.09262.36913.30441.77241.7724
H51.09232.44152.68671.77241.7907
H61.09232.44152.68671.77241.7907

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.954 S2 C1 H4 106.353
S2 C1 H5 111.683 S2 C1 H6 111.683
H4 C1 H5 108.425 H4 C1 H6 108.425
H5 C1 H6 110.098
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.672      
2 S -0.083      
3 H 0.113      
4 H 0.218      
5 H 0.212      
6 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.943 1.509 0.000 1.780
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.994 -1.473 0.000
y -1.473 -20.141 0.000
z 0.000 0.000 -22.456
Traceless
 xyz
x 2.304 -1.473 0.000
y -1.473 0.584 0.000
z 0.000 0.000 -2.889
Polar
3z2-r2-5.777
x2-y21.147
xy-1.473
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.819 -0.233 0.000
y -0.233 4.719 0.000
z 0.000 0.000 3.093


<r2> (average value of r2) Å2
<r2> 40.400
(<r2>)1/2 6.356