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: PBE1PBE/daug-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 PBE1PBE/daug-cc-pVDZ
 hartrees
Energy at 0K-438.515385
Energy at 298.15K-438.519238
HF Energy-438.515385
Nuclear repulsion energy56.113252
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/daug-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' 3173 3173 5.64 56.73 0.75 0.86
2 A' 3069 3069 23.64 163.59 0.00 0.01
3 A' 2706 2706 2.18 131.47 0.21 0.34
4 A' 1448 1448 7.90 4.57 0.75 0.86
5 A' 1323 1323 4.35 0.23 0.10 0.18
6 A' 1082 1082 9.81 1.96 0.64 0.78
7 A' 795 795 0.23 9.05 0.18 0.30
8 A' 725 725 2.22 11.55 0.18 0.30
9 A" 3174 3174 5.55 67.98 0.75 0.86
10 A" 1437 1437 4.75 4.33 0.75 0.86
11 A" 958 958 4.52 0.13 0.75 0.86
12 A" 239 239 12.15 0.29 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10064.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10064.5 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 PBE1PBE/daug-cc-pVDZ
ABC
3.39284 0.42914 0.41133

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/daug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.155 0.000
S2 -0.048 -0.666 0.000
H3 1.295 -0.833 0.000
H4 -1.101 1.459 0.000
H5 0.432 1.553 0.900
H6 0.432 1.553 -0.900

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82102.39881.09631.09541.0954
S21.82101.35362.37182.44262.4426
H32.39881.35363.31582.69202.6920
H41.09632.37183.31581.78081.7808
H51.09542.44262.69201.78081.8007
H61.09542.44262.69201.78081.8007

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.061 S2 C1 H4 106.104
S2 C1 H5 111.321 S2 C1 H6 111.321
H4 C1 H5 108.683 H4 C1 H6 108.683
H5 C1 H6 110.562
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.383      
2 S 0.028      
3 H 0.111      
4 H -0.126      
5 H -0.198      
6 H -0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.727 1.428 0.000 1.602
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.228 -1.255 0.000
y -1.255 -20.383 0.000
z 0.000 0.000 -22.752
Traceless
 xyz
x 2.340 -1.255 0.000
y -1.255 0.606 0.000
z 0.000 0.000 -2.946
Polar
3z2-r2-5.892
x2-y21.156
xy-1.255
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.102 -0.174 0.000
y -0.174 6.416 0.000
z 0.000 0.000 5.079


<r2> (average value of r2) Å2
<r2> 40.667
(<r2>)1/2 6.377