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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: BLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/6-31G
 hartrees
Energy at 0K-438.608806
Energy at 298.15K-438.612542
HF Energy-438.608806
Nuclear repulsion energy54.027555
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 BLYP/6-31G
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' 3123 3100 10.03 63.35 0.75 0.86
2 A' 3014 2991 23.29 117.55 0.01 0.01
3 A' 2401 2383 63.22 152.02 0.39 0.56
4 A' 1488 1477 9.71 19.44 0.75 0.86
5 A' 1352 1342 9.33 2.66 0.49 0.66
6 A' 1058 1050 22.03 24.16 0.73 0.84
7 A' 757 752 1.98 12.42 0.66 0.79
8 A' 614 610 4.29 20.01 0.31 0.48
9 A" 3115 3092 15.53 67.77 0.75 0.86
10 A" 1483 1472 8.55 22.75 0.75 0.86
11 A" 957 950 8.16 13.42 0.75 0.86
12 A" 214 212 21.70 10.51 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9788.4 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 9714.0 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 BLYP/6-31G
ABC
3.28365 0.39014 0.37430

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.050 1.223 0.000
S2 -0.050 -0.700 0.000
H3 1.335 -0.856 0.000
H4 -1.109 1.511 0.000
H5 0.440 1.602 0.905
H6 0.440 1.602 -0.905

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.92292.49811.09741.09751.0975
S21.92291.39432.45162.52212.5221
H32.49811.39433.40262.76812.7681
H41.09742.45163.40261.79711.7971
H51.09752.52212.76811.79711.8109
H61.09752.52212.76811.79711.8109

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 96.411 S2 C1 H4 105.225
S2 C1 H5 110.221 S2 C1 H6 110.221
H4 C1 H5 109.915 H4 C1 H6 109.915
H5 C1 H6 111.179
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.556      
2 S -0.002      
3 H 0.047      
4 H 0.175      
5 H 0.168      
6 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.058 1.684 0.000 1.989
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.397 -1.542 0.000
y -1.542 -20.430 0.000
z 0.000 0.000 -22.653
Traceless
 xyz
x 2.144 -1.542 0.000
y -1.542 0.595 0.000
z 0.000 0.000 -2.739
Polar
3z2-r2-5.479
x2-y21.032
xy-1.542
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.993 -0.279 0.000
y -0.279 5.068 0.000
z 0.000 0.000 2.793


<r2> (average value of r2) Å2
<r2> 43.068
(<r2>)1/2 6.563