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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: PBEPBE/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 PBEPBE/aug-cc-pVTZ
 hartrees
Energy at 0K-438.499580
Energy at 298.15K-438.503381
HF Energy-438.499580
Nuclear repulsion energy55.944000
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 PBEPBE/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' 3075 3055 5.32 57.77 0.75 0.86
2 A' 2988 2969 22.78 170.94 0.01 0.01
3 A' 2614 2597 2.38 129.88 0.21 0.35
4 A' 1433 1424 7.99 4.34 0.75 0.86
5 A' 1300 1292 4.49 0.16 0.42 0.59
6 A' 1055 1049 9.37 1.93 0.62 0.77
7 A' 774 769 0.28 8.13 0.18 0.31
8 A' 688 684 1.46 11.07 0.16 0.28
9 A" 3074 3054 5.05 72.23 0.75 0.86
10 A" 1421 1412 4.48 4.12 0.75 0.86
11 A" 938 932 4.73 0.07 0.75 0.86
12 A" 228 226 10.75 0.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9794.2 cm-1
Scaled (by 0.9935) Zero Point Vibrational Energy (zpe) 9730.5 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 PBEPBE/aug-cc-pVTZ
ABC
3.38786 0.42569 0.40808

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.160 0.000
S2 -0.048 -0.669 0.000
H3 1.297 -0.832 0.000
H4 -1.102 1.461 0.000
H5 0.432 1.558 0.900
H6 0.432 1.558 -0.900

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82962.40391.09621.09511.0951
S21.82961.35522.37682.45002.4500
H32.40391.35523.31892.69652.6965
H41.09622.37683.31891.78161.7816
H51.09512.45002.69651.78161.8005
H61.09512.45002.69651.78161.8005

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.891 S2 C1 H4 105.923
S2 C1 H5 111.304 S2 C1 H6 111.304
H4 C1 H5 108.784 H4 C1 H6 108.784
H5 C1 H6 110.575
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.558      
2 S -0.142      
3 H 0.092      
4 H 0.210      
5 H 0.199      
6 H 0.199      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.670 1.391 0.000 1.544
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.402 -1.171 0.000
y -1.171 -20.518 0.000
z 0.000 0.000 -22.788
Traceless
 xyz
x 2.251 -1.171 0.000
y -1.171 0.577 0.000
z 0.000 0.000 -2.828
Polar
3z2-r2-5.656
x2-y21.116
xy-1.171
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.217 -0.172 0.000
y -0.172 6.642 0.000
z 0.000 0.000 5.232


<r2> (average value of r2) Å2
<r2> 40.926
(<r2>)1/2 6.397