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: HF/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/aug-cc-pVTZ
 hartrees
Energy at 0K-437.757881
Energy at 298.15K-437.761829
HF Energy-437.757881
Nuclear repulsion energy56.525549
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 HF/aug-cc-pVTZ
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' 3272 2979 11.11 56.80 0.75 0.85
2 A' 3191 2905 31.65 147.94 0.00 0.00
3 A' 2847 2592 3.14 129.14 0.24 0.38
4 A' 1607 1463 6.99 4.04 0.75 0.85
5 A' 1482 1349 9.11 1.60 0.15 0.27
6 A' 1192 1086 11.79 1.68 0.71 0.83
7 A' 854 777 0.78 4.26 0.23 0.38
8 A' 761 693 3.68 24.31 0.21 0.34
9 A" 3276 2982 10.72 64.97 0.75 0.86
10 A" 1593 1450 4.61 3.96 0.75 0.86
11 A" 1056 961 3.01 0.09 0.75 0.86
12 A" 252 230 12.85 0.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10691.3 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 9733.3 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 HF/aug-cc-pVTZ
ABC
3.50841 0.43226 0.41476

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.153 0.000
S2 -0.048 -0.663 0.000
H3 1.268 -0.852 0.000
H4 -1.084 1.458 0.000
H5 0.432 1.541 0.885
H6 0.432 1.541 -0.885

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81602.39841.08011.07881.0788
S21.81601.32962.36032.42252.4225
H32.39841.32963.29672.68472.6847
H41.08012.36033.29671.75721.7572
H51.07882.42252.68471.75721.7707
H61.07882.42252.68471.75721.7707

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 98.178 S2 C1 H4 106.384
S2 C1 H5 111.043 S2 C1 H6 111.043
H4 C1 H5 108.970 H4 C1 H6 108.970
H5 C1 H6 110.312
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.798      
2 S -0.244      
3 H 0.152      
4 H 0.313      
5 H 0.289      
6 H 0.289      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.775 1.506 0.000 1.694
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.339 -1.352 0.000
y -1.352 -20.521 0.000
z 0.000 0.000 -22.799
Traceless
 xyz
x 2.321 -1.352 0.000
y -1.352 0.548 0.000
z 0.000 0.000 -2.869
Polar
3z2-r2-5.737
x2-y21.182
xy-1.352
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.786 -0.171 0.000
y -0.171 6.092 0.000
z 0.000 0.000 4.739


<r2> (average value of r2) Å2
<r2> 40.425
(<r2>)1/2 6.358