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: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-50.599888
Energy at 298.15K-50.603688
HF Energy-50.599888
Nuclear repulsion energy27.629306
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 B3LYP/LANL2DZ
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' 3203 3079 14.72 59.08 0.75 0.86
2 A' 3083 2964 30.10 141.81 0.01 0.01
3 A' 2502 2405 38.51 142.99 0.32 0.48
4 A' 1507 1448 10.95 16.95 0.73 0.85
5 A' 1393 1339 1.74 0.37 0.71 0.83
6 A' 1099 1057 22.72 22.59 0.73 0.84
7 A' 792 761 1.71 9.83 0.67 0.81
8 A' 657 632 3.12 29.83 0.30 0.46
9 A" 3199 3075 27.25 58.85 0.75 0.86
10 A" 1501 1443 12.50 18.44 0.75 0.86
11 A" 991 953 13.07 12.62 0.75 0.86
12 A" 226 217 23.75 26.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10076.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 9685.1 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 B3LYP/LANL2DZ
ABC
3.34268 0.39984 0.38355

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.206 0.000
S2 -0.050 -0.691 0.000
H3 1.320 -0.858 0.000
H4 -1.101 1.502 0.000
H5 0.439 1.588 0.898
H6 0.439 1.588 -0.898

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.89642.47661.09201.09181.0918
S21.89641.37972.43162.49782.4978
H32.47661.37973.38052.75052.7505
H41.09202.43163.38051.78471.7847
H51.09182.49782.75051.78471.7967
H61.09182.49782.75051.78471.7967

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.954 S2 C1 H4 105.746
S2 C1 H5 110.502 S2 C1 H6 110.502
H4 C1 H5 109.619 H4 C1 H6 109.619
H5 C1 H6 110.730
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.790      
2 S -0.040      
3 H 0.076      
4 H 0.256      
5 H 0.249      
6 H 0.249      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.059 1.666 0.000 1.974
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.647 -1.576 0.000
y -1.576 -19.547 0.000
z 0.000 0.000 -21.810
Traceless
 xyz
x 2.032 -1.576 0.000
y -1.576 0.681 0.000
z 0.000 0.000 -2.713
Polar
3z2-r2-5.426
x2-y20.900
xy-1.576
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.861 -0.299 0.000
y -0.299 5.065 0.000
z 0.000 0.000 1.882


<r2> (average value of r2) Å2
<r2> 37.094
(<r2>)1/2 6.090