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: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-438.563276
Energy at 298.15K-438.567135
HF Energy-438.444015
Nuclear repulsion energy56.250614
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 B2PLYP/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' 3164 3036 6.91 60.94 0.75 0.86
2 A' 3076 2952 23.50 140.41 0.00 0.00
3 A' 2717 2606 3.82 127.57 0.28 0.44
4 A' 1503 1442 6.87 8.10 0.75 0.86
5 A' 1369 1314 6.58 0.41 0.56 0.71
6 A' 1104 1059 10.73 5.55 0.73 0.85
7 A' 804 771 0.51 6.34 0.35 0.51
8 A' 713 684 1.79 14.36 0.22 0.36
9 A" 3166 3037 7.96 64.12 0.75 0.86
10 A" 1491 1430 4.34 7.84 0.75 0.86
11 A" 982 942 4.43 2.21 0.75 0.86
12 A" 236 227 13.08 4.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10162.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9750.1 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 B2PLYP/cc-pVTZ
ABC
3.45532 0.42881 0.41127

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.157 0.000
S2 -0.048 -0.667 0.000
H3 1.282 -0.830 0.000
H4 -1.091 1.459 0.000
H5 0.431 1.550 0.891
H6 0.431 1.550 -0.891

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82382.39101.08631.08521.0852
S21.82381.34022.36802.43652.4365
H32.39101.34023.29742.67982.6798
H41.08632.36803.29741.76631.7663
H51.08522.43652.67981.76631.7825
H61.08522.43652.67981.76631.7825

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.981 S2 C1 H4 106.133
S2 C1 H5 111.215 S2 C1 H6 111.215
H4 C1 H5 108.854 H4 C1 H6 108.854
H5 C1 H6 110.427
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.304      
2 S -0.155      
3 H 0.091      
4 H 0.121      
5 H 0.123      
6 H 0.123      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.733 1.366 0.000 1.551
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.298 -1.242 -0.002
y -1.242 -20.432 -0.007
z -0.002 -0.007 -22.578
Traceless
 xyz
x 2.207 -1.242 -0.002
y -1.242 0.506 -0.007
z -0.002 -0.007 -2.713
Polar
3z2-r2-5.427
x2-y21.134
xy-1.242
xz-0.002
yz-0.007


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.440 -0.211 0.001
y -0.211 5.699 0.001
z 0.001 0.001 3.701


<r2> (average value of r2) Å2
<r2> 40.585
(<r2>)1/2 6.371