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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-438.715637
Energy at 298.15K-438.719527
HF Energy-438.715637
Nuclear repulsion energy56.234300
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 B1B95/cc-pVDZ
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' 3189 3065 4.59 71.79 0.75 0.86
2 A' 3081 2961 24.26 138.93 0.00 0.01
3 A' 2707 2602 6.04 140.22 0.31 0.47
4 A' 1460 1403 7.86 13.57 0.75 0.86
5 A' 1333 1282 7.22 2.12 0.45 0.62
6 A' 1088 1046 13.17 11.26 0.72 0.84
7 A' 800 769 0.29 9.53 0.42 0.59
8 A' 728 699 2.43 9.71 0.25 0.40
9 A" 3185 3062 7.57 74.76 0.75 0.86
10 A" 1449 1393 5.06 14.36 0.75 0.86
11 A" 961 924 6.12 5.26 0.75 0.86
12 A" 267 257 16.65 8.82 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10124.2 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 9731.4 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 B1B95/cc-pVDZ
ABC
3.39931 0.43150 0.41351

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.150 0.000
S2 -0.048 -0.665 0.000
H3 1.294 -0.825 0.000
H4 -1.101 1.453 0.000
H5 0.431 1.554 0.899
H6 0.431 1.554 -0.899

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81512.38801.09611.09571.0957
S21.81511.35152.36542.44122.4412
H32.38801.35153.30572.68552.6855
H41.09612.36543.30571.77931.7793
H51.09572.44122.68551.77931.7986
H61.09572.44122.68551.77931.7986

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.806 S2 C1 H4 106.036
S2 C1 H5 111.602 S2 C1 H6 111.602
H4 C1 H5 108.550 H4 C1 H6 108.550
H5 C1 H6 110.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.177      
2 S -0.131      
3 H 0.084      
4 H 0.078      
5 H 0.073      
6 H 0.073      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.807 1.313 0.000 1.541
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.847 -1.295 0.000
y -1.295 -20.018 0.000
z 0.000 0.000 -22.089
Traceless
 xyz
x 2.206 -1.295 0.000
y -1.295 0.450 0.000
z 0.000 0.000 -2.656
Polar
3z2-r2-5.312
x2-y21.171
xy-1.295
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.006 -0.272 0.000
y -0.272 5.044 0.000
z 0.000 0.000 2.923


<r2> (average value of r2) Å2
<r2> 40.247
(<r2>)1/2 6.344