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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: mPW1PW91/daug-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 mPW1PW91/daug-cc-pVDZ
 hartrees
Energy at 0K-438.718034
Energy at 298.15K-438.721887
HF Energy-438.718034
Nuclear repulsion energy56.102749
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 mPW1PW91/daug-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' 3177 3177 6.25 56.03 0.75 0.86
2 A' 3074 3074 24.77 160.65 0.00 0.01
3 A' 2707 2707 2.54 129.63 0.21 0.35
4 A' 1455 1455 7.70 4.50 0.75 0.86
5 A' 1329 1329 4.81 0.23 0.07 0.13
6 A' 1085 1085 9.81 1.97 0.64 0.78
7 A' 796 796 0.26 8.41 0.18 0.31
8 A' 722 722 2.29 12.64 0.18 0.30
9 A" 3177 3177 6.19 66.90 0.75 0.86
10 A" 1444 1444 4.62 4.29 0.75 0.86
11 A" 961 961 4.45 0.14 0.75 0.86
12 A" 239 239 11.99 0.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10082.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10082.5 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 mPW1PW91/daug-cc-pVDZ
ABC
3.39895 0.42858 0.41083

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/daug-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 -0.667 0.000
H3 1.294 -0.833 0.000
H4 -1.100 1.460 0.000
H5 0.432 1.553 0.899
H6 0.432 1.553 -0.899

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82262.39961.09511.09411.0941
S21.82261.35252.37242.44262.4426
H32.39961.35253.31512.69182.6918
H41.09512.37243.31511.77931.7793
H51.09412.44262.69181.77931.7987
H61.09412.44262.69181.77931.7987

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 97.074 S2 C1 H4 106.105
S2 C1 H5 111.278 S2 C1 H6 111.278
H4 C1 H5 108.729 H4 C1 H6 108.729
H5 C1 H6 110.560
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.374      
2 S 0.027      
3 H 0.103      
4 H -0.116      
5 H -0.194      
6 H -0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.725 1.432 0.000 1.605
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.188 -1.252 0.000
y -1.252 -20.327 0.000
z 0.000 0.000 -22.706
Traceless
 xyz
x 2.328 -1.252 0.000
y -1.252 0.620 0.000
z 0.000 0.000 -2.948
Polar
3z2-r2-5.896
x2-y21.139
xy-1.252
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.082 -0.171 0.000
y -0.171 6.402 0.000
z 0.000 0.000 5.064


<r2> (average value of r2) Å2
<r2> 40.658
(<r2>)1/2 6.376