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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-437.717532
Energy at 298.15K-437.721489
HF Energy-437.717532
Nuclear repulsion energy56.534243
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 HF/6-31G(2df,p)
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' 3289 2978 10.41 64.25 0.75 0.86
2 A' 3200 2897 30.46 104.17 0.00 0.01
3 A' 2862 2591 5.43 125.48 0.35 0.52
4 A' 1608 1456 6.17 12.01 0.75 0.86
5 A' 1485 1344 12.42 0.24 0.74 0.85
6 A' 1197 1084 15.67 8.94 0.71 0.83
7 A' 855 774 0.97 5.26 0.51 0.67
8 A' 765 693 4.15 21.28 0.25 0.40
9 A" 3293 2981 11.60 68.86 0.75 0.86
10 A" 1593 1443 3.68 12.77 0.75 0.86
11 A" 1055 955 3.50 2.98 0.75 0.86
12 A" 262 238 15.17 1.82 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10731.1 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 9717.0 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 HF/6-31G(2df,p)
ABC
3.50292 0.43266 0.41518

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.152 0.000
S2 -0.048 -0.663 0.000
H3 1.267 -0.848 0.000
H4 -1.086 1.457 0.000
H5 0.432 1.542 0.887
H6 0.432 1.542 -0.887

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.81472.39361.08221.08101.0810
S21.81471.32772.36012.42402.4240
H32.39361.32773.29402.68262.6826
H41.08222.36013.29401.76011.7601
H51.08102.42402.68261.76011.7741
H61.08102.42402.68261.76011.7741

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 98.037 S2 C1 H4 106.358
S2 C1 H5 111.130 S2 C1 H6 111.130
H4 C1 H5 108.908 H4 C1 H6 108.908
H5 C1 H6 110.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.441      
2 S -0.222      
3 H 0.159      
4 H 0.171      
5 H 0.167      
6 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.832 1.507 0.000 1.722
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.173 -1.394 0.000
y -1.394 -20.328 0.000
z 0.000 0.000 -22.629
Traceless
 xyz
x 2.306 -1.394 0.000
y -1.394 0.573 0.000
z 0.000 0.000 -2.878
Polar
3z2-r2-5.757
x2-y21.155
xy-1.394
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.997 -0.228 0.000
y -0.228 5.037 0.000
z 0.000 0.000 3.586


<r2> (average value of r2) Å2
<r2> 40.301
(<r2>)1/2 6.348