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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: B3LYP/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 B3LYP/cc-pVDZ
 hartrees
Energy at 0K-438.718870
Energy at 298.15K-438.722713
HF Energy-438.718870
Nuclear repulsion energy55.733585
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/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' 3147 3053 6.65 73.23 0.75 0.86
2 A' 3049 2957 25.70 138.74 0.00 0.01
3 A' 2653 2573 9.71 142.06 0.31 0.48
4 A' 1458 1414 7.08 13.92 0.75 0.86
5 A' 1331 1291 9.51 1.93 0.43 0.60
6 A' 1083 1051 12.35 11.76 0.73 0.84
7 A' 791 767 0.39 8.35 0.47 0.64
8 A' 697 676 2.42 12.49 0.26 0.41
9 A" 3143 3049 10.23 76.05 0.75 0.86
10 A" 1447 1404 4.41 14.81 0.75 0.86
11 A" 957 929 5.51 5.63 0.75 0.86
12 A" 246 238 15.04 9.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10000.9 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 9700.9 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 B3LYP/cc-pVDZ
ABC
3.36922 0.42220 0.40476

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.165 0.000
S2 -0.048 -0.672 0.000
H3 1.300 -0.834 0.000
H4 -1.105 1.468 0.000
H5 0.434 1.566 0.902
H6 0.434 1.566 -0.902

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.83702.41171.09951.09911.0991
S21.83701.35842.38662.46072.4607
H32.41171.35843.32972.70642.7064
H41.09952.38663.32971.78741.7874
H51.09912.46072.70641.78741.8047
H61.09912.46072.70641.78741.8047

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.863 S2 C1 H4 105.985
S2 C1 H5 111.388 S2 C1 H6 111.388
H4 C1 H5 108.774 H4 C1 H6 108.774
H5 C1 H6 110.373
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.139      
2 S -0.115      
3 H 0.068      
4 H 0.065      
5 H 0.061      
6 H 0.061      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.778 1.288 0.000 1.505
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.011 -1.266 0.000
y -1.266 -20.135 0.000
z 0.000 0.000 -22.214
Traceless
 xyz
x 2.164 -1.266 0.000
y -1.266 0.477 0.000
z 0.000 0.000 -2.641
Polar
3z2-r2-5.281
x2-y21.124
xy-1.266
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.063 -0.282 0.000
y -0.282 5.124 0.000
z 0.000 0.000 2.937


<r2> (average value of r2) Å2
<r2> 40.868
(<r2>)1/2 6.393