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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B1B95/TZVP

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/TZVP
 hartrees
Energy at 0K-438.735283
Energy at 298.15K-438.739173
HF Energy-438.735283
Nuclear repulsion energy56.324883
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/TZVP
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' 3180 3043 6.82 67.89 0.75 0.86
2 A' 3085 2952 25.02 144.14 0.00 0.00
3 A' 2708 2591 6.75 140.79 0.32 0.48
4 A' 1489 1425 9.28 13.88 0.75 0.85
5 A' 1370 1311 6.16 3.61 0.44 0.61
6 A' 1099 1052 15.54 11.76 0.67 0.80
7 A' 805 770 1.13 8.49 0.37 0.54
8 A' 725 694 2.37 12.50 0.30 0.46
9 A" 3178 3041 9.37 71.20 0.75 0.86
10 A" 1477 1413 5.70 15.89 0.75 0.86
11 A" 977 935 6.55 5.79 0.75 0.86
12 A" 260 249 19.06 5.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10176.3 cm-1
Scaled (by 0.9569) Zero Point Vibrational Energy (zpe) 9737.7 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/TZVP
ABC
3.45031 0.43085 0.41307

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.153 0.000
S2 -0.048 -0.666 0.000
H3 1.287 -0.824 0.000
H4 -1.091 1.456 0.000
H5 0.428 1.550 0.891
H6 0.428 1.550 -0.891

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81842.38541.08631.08571.0857
S21.81841.34452.36442.43512.4351
H32.38541.34453.29472.67722.6772
H41.08632.36443.29471.76391.7639
H51.08572.43512.67721.76391.7824
H61.08572.43512.67721.76391.7824

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.765 S2 C1 H4 106.218
S2 C1 H5 111.456 S2 C1 H6 111.456
H4 C1 H5 108.605 H4 C1 H6 108.605
H5 C1 H6 110.337
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.391      
2 S -0.134      
3 H 0.086      
4 H 0.144      
5 H 0.147      
6 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.867 1.441 0.000 1.682
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.028 -1.366 0.000
y -1.366 -20.292 0.000
z 0.000 0.000 -22.455
Traceless
 xyz
x 2.345 -1.366 0.000
y -1.366 0.449 0.000
z 0.000 0.000 -2.795
Polar
3z2-r2-5.589
x2-y21.264
xy-1.366
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.159 -0.236 0.000
y -0.236 5.286 0.000
z 0.000 0.000 3.299


<r2> (average value of r2) Å2
<r2> 40.381
(<r2>)1/2 6.355