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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-438.656220
Energy at 298.15K-438.660095
HF Energy-438.656220
Nuclear repulsion energy55.994879
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 B3PW91/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' 3169 3058 4.53      
2 A' 3060 2953 24.58      
3 A' 2692 2598 6.63      
4 A' 1455 1404 8.11      
5 A' 1330 1283 7.05      
6 A' 1083 1046 13.11      
7 A' 795 767 0.40      
8 A' 716 691 2.47      
9 A" 3164 3053 7.57      
10 A" 1445 1394 5.33      
11 A" 959 926 6.29      
12 A" 262 252 17.15      

Unscaled Zero Point Vibrational Energy (zpe) 10065.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 9712.9 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 B3PW91/cc-pVDZ
ABC
3.37788 0.42744 0.40967

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.156 0.000
S2 -0.048 -0.668 0.000
H3 1.298 -0.832 0.000
H4 -1.105 1.459 0.000
H5 0.433 1.560 0.902
H6 0.433 1.560 -0.902

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82412.40101.09911.09881.0988
S21.82411.35622.37522.45072.4507
H32.40101.35623.32012.69842.6984
H41.09912.37523.32011.78511.7851
H51.09882.45072.69841.78511.8039
H61.09882.45072.69841.78511.8039

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.943 S2 C1 H4 106.009
S2 C1 H5 111.533 S2 C1 H6 111.533
H4 C1 H5 108.623 H4 C1 H6 108.623
H5 C1 H6 110.348
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.207      
2 S -0.139      
3 H 0.091      
4 H 0.089      
5 H 0.083      
6 H 0.083      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.826 1.337 0.000 1.572
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.855 -1.324 0.000
y -1.324 -20.022 0.000
z 0.000 0.000 -22.132
Traceless
 xyz
x 2.222 -1.324 0.000
y -1.324 0.471 0.000
z 0.000 0.000 -2.693
Polar
3z2-r2-5.387
x2-y21.167
xy-1.324
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.029 -0.273 0.000
y -0.273 5.079 0.000
z 0.000 0.000 2.924


<r2> (average value of r2) Å2
<r2> 40.504
(<r2>)1/2 6.364