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All results from a given calculation for CH3SH (Methanethiol)

using model chemistry: HF/aug-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 HF/aug-cc-pVDZ
 hartrees
Energy at 0K-437.730379
Energy at 298.15K-437.734318
HF Energy-437.730379
Nuclear repulsion energy56.219781
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/aug-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' 3291 2997 11.91 57.93 0.75 0.86
2 A' 3198 2912 33.48 146.02 0.00 0.00
3 A' 2846 2592 4.01 133.22 0.24 0.39
4 A' 1576 1435 6.72 4.29 0.75 0.85
5 A' 1455 1325 10.03 1.40 0.18 0.31
6 A' 1178 1073 11.15 1.93 0.74 0.85
7 A' 845 769 0.76 5.09 0.24 0.39
8 A' 757 689 4.72 25.62 0.21 0.35
9 A" 3295 3001 11.39 66.08 0.75 0.86
10 A" 1563 1424 4.59 3.94 0.75 0.86
11 A" 1040 947 3.28 0.12 0.75 0.86
12 A" 253 230 13.56 0.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10648.7 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 9696.7 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/aug-cc-pVDZ
ABC
3.45554 0.42822 0.41083

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.048 1.159 0.000
S2 -0.048 -0.666 0.000
H3 1.278 -0.853 0.000
H4 -1.092 1.464 0.000
H5 0.434 1.547 0.893
H6 0.434 1.547 -0.893

Atom - Atom Distances (Å)
  C1 S2 H3 H4 H5 H6
C11.82462.40941.08761.08641.0864
S21.82461.33922.37172.43452.4345
H32.40941.33923.31422.69622.6962
H41.08762.37173.31421.76991.7699
H51.08642.43452.69621.76991.7853
H61.08642.43452.69621.76991.7853

picture of Methanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H3 98.030 S2 C1 H4 106.290
S2 C1 H5 110.951 S2 C1 H6 110.951
H4 C1 H5 109.008 H4 C1 H6 109.008
H5 C1 H6 110.510
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.016      
2 S 0.107      
3 H 0.098      
4 H -0.078      
5 H -0.071      
6 H -0.071      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.804 1.535 0.000 1.732
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.371 -1.388 0.000
y -1.388 -20.554 0.000
z 0.000 0.000 -22.961
Traceless
 xyz
x 2.386 -1.388 0.000
y -1.388 0.612 0.000
z 0.000 0.000 -2.998
Polar
3z2-r2-5.996
x2-y21.183
xy-1.388
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.739 -0.183 0.000
y -0.183 6.088 0.000
z 0.000 0.000 4.641


<r2> (average value of r2) Å2
<r2> 40.746
(<r2>)1/2 6.383