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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B3PW91/daug-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 B3PW91/daug-cc-pVTZ
 hartrees
Energy at 0K-438.690499
Energy at 298.15K-438.694335
HF Energy-438.690499
Nuclear repulsion energy56.308811
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/daug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3147 3147 5.28 55.48 0.75 0.86
2 A' 3058 3058 22.57 160.82 0.00 0.01
3 A' 2694 2694 1.97 127.05 0.21 0.35
4 A' 1479 1479 8.03 4.34 0.75 0.86
5 A' 1349 1349 4.30 0.24 0.05 0.10
6 A' 1091 1091 10.19 1.85 0.62 0.77
7 A' 798 798 0.29 7.16 0.19 0.32
8 A' 715 715 1.69 12.73 0.18 0.30
9 A" 3147 3147 5.20 66.99 0.75 0.86
10 A" 1467 1467 4.92 4.21 0.75 0.86
11 A" 970 970 4.50 0.09 0.75 0.86
12 A" 232 232 11.40 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10074.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10074.4 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/daug-cc-pVTZ
ABC
3.44046 0.43094 0.41318

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.153 0.000
S2 -0.048 -0.665 0.000
H3 1.286 -0.833 0.000
H4 -1.094 1.455 0.000
H5 0.430 1.548 0.893
H6 0.430 1.548 -0.893

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81802.39271.08871.08771.0877
S21.81801.34452.36432.43412.4341
H32.39271.34453.30182.68372.6837
H41.08872.36433.30181.76921.7692
H51.08772.43412.68371.76921.7870
H61.08772.43412.68371.76921.7870

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.196 S2 C1 H4 106.123
S2 C1 H5 111.300 S2 C1 H6 111.300
H4 C1 H5 108.755 H4 C1 H6 108.755
H5 C1 H6 110.452
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.573      
2 S -0.577      
3 H 0.206      
4 H 0.387      
5 H 0.278      
6 H 0.278      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.697 1.411 0.000 1.574
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.159 -1.213 0.000
y -1.213 -20.296 0.000
z 0.000 0.000 -22.516
Traceless
 xyz
x 2.246 -1.213 0.000
y -1.213 0.542 0.000
z 0.000 0.000 -2.788
Polar
3z2-r2-5.576
x2-y21.136
xy-1.213
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.056 -0.169 0.000
y -0.169 6.396 0.000
z 0.000 0.000 5.042


<r2> (average value of r2) Å2
<r2> 40.428
(<r2>)1/2 6.358