return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: HSEh1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/STO-3G
 hartrees
Energy at 0K-433.647614
Energy at 298.15K-433.651511
HF Energy-433.647614
Nuclear repulsion energy56.223641
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 HSEh1PBE/STO-3G
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' 3526 3114 0.66 27.95 0.74 0.85
2 A' 3335 2945 3.51 41.74 0.01 0.02
3 A' 3015 2663 24.32 61.94 0.31 0.48
4 A' 1704 1505 5.62 15.66 0.75 0.86
5 A' 1564 1382 2.45 4.10 0.73 0.84
6 A' 1245 1100 17.59 12.97 0.75 0.86
7 A' 927 819 0.49 7.27 0.46 0.63
8 A' 872 770 0.38 6.24 0.29 0.45
9 A" 3498 3089 4.26 28.98 0.75 0.86
10 A" 1692 1494 4.79 16.73 0.75 0.86
11 A" 1082 955 1.31 4.77 0.75 0.86
12 A" 263 233 11.25 9.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 11361.4 cm-1
Scaled (by 0.8831) Zero Point Vibrational Energy (zpe) 10033.2 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 HSEh1PBE/STO-3G
ABC
3.40041 0.43208 0.41341

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.143 0.000
S2 -0.050 -0.668 0.000
H3 1.303 -0.770 0.000
H4 -1.092 1.484 0.000
H5 0.441 1.562 0.890
H6 0.441 1.562 -0.890

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81122.34241.09691.09941.0994
S21.81121.35592.39142.45112.4511
H32.34241.35593.28842.64082.6408
H41.09692.39143.28841.77441.7744
H51.09942.45112.64081.77441.7804
H61.09942.45112.64081.77441.7804

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 94.296 S2 C1 H4 108.112
S2 C1 H5 112.421 S2 C1 H6 112.421
H4 C1 H5 107.779 H4 C1 H6 107.779
H5 C1 H6 108.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.318      
2 S 0.084      
3 H -0.015      
4 H 0.088      
5 H 0.081      
6 H 0.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.682 0.709 0.000 0.983
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.561 -0.830 0.000
y -0.830 -18.520 0.000
z 0.000 0.000 -19.190
Traceless
 xyz
x 1.293 -0.830 0.000
y -0.830 -0.144 0.000
z 0.000 0.000 -1.149
Polar
3z2-r2-2.298
x2-y20.958
xy-0.830
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.976 -0.278 0.000
y -0.278 2.331 0.000
z 0.000 0.000 0.908


<r2> (average value of r2) Å2
<r2> 39.082
(<r2>)1/2 6.252