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All results from a given calculation for CH3CH2SH (ethanethiol)

using model chemistry: ROHF/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 ROHF/6-31G
 hartrees
Energy at 0K-476.667598
Energy at 298.15K 
HF Energy-476.667598
Nuclear repulsion energy105.960947
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 ROHF/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' 3272 2930 48.74      
2 A' 3257 2916 4.83      
3 A' 3198 2864 28.11      
4 A' 2682 2402 51.83      
5 A' 1659 1485 4.48      
6 A' 1648 1476 5.36      
7 A' 1586 1420 6.18      
8 A' 1450 1299 59.38      
9 A' 1215 1088 3.48      
10 A' 1079 966 7.27      
11 A' 907 812 7.56      
12 A' 667 597 8.15      
13 A' 326 292 4.99      
14 A" 3326 2978 24.60      
15 A" 3279 2936 13.31      
16 A" 1651 1478 9.62      
17 A" 1405 1258 0.48      
18 A" 1163 1041 0.01      
19 A" 876 785 4.67      
20 A" 256 230 1.27      
21 A" 174 156 32.40      

Unscaled Zero Point Vibrational Energy (zpe) 17538.7 cm-1
Scaled (by 0.8953) Zero Point Vibrational Energy (zpe) 15702.4 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 ROHF/6-31G
ABC
0.95355 0.17431 0.15585

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.518 0.747 0.000
C2 0.000 0.860 0.000
S3 -0.752 -0.877 0.000
H4 1.960 1.737 0.000
H5 1.872 0.220 0.877
H6 1.872 0.220 -0.877
H7 -0.355 1.373 0.880
H8 -0.355 1.373 -0.880
H9 -2.062 -0.531 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.52192.79141.08441.08261.08262.16142.16143.8015
C21.52191.89282.14722.16372.16371.07871.07872.4875
S32.79141.89283.76712.97662.97662.44882.44881.3548
H41.08442.14723.76711.75451.75452.50242.50244.6177
H51.08262.16372.97661.75451.75432.50713.06144.1002
H61.08262.16372.97661.75451.75433.06142.50714.1002
H72.16141.07872.44882.50242.50713.06141.75952.7052
H82.16141.07872.44882.50243.06142.50711.75952.7052
H93.80152.48751.35484.61774.10024.10022.70522.7052

picture of ethanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 109.183 C1 C2 H7 111.286
C1 C2 H8 111.286 C2 C1 H4 109.808
C2 C1 H5 111.225 C2 C1 H6 111.225
C2 S3 H9 98.635 S3 C2 H7 107.836
S3 C2 H8 107.836 H4 C1 H5 108.120
H4 C1 H6 108.120 H5 C1 H6 108.234
H7 C2 H8 109.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.455      
2 C -0.527      
3 S 0.024      
4 H 0.168      
5 H 0.178      
6 H 0.178      
7 H 0.198      
8 H 0.198      
9 H 0.038      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.107 2.269 0.000 2.272
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.947 -0.152 -0.003
y -0.152 -29.568 -0.000
z -0.003 -0.000 -29.419
Traceless
 xyz
x 4.547 -0.152 -0.003
y -0.152 -2.385 -0.000
z -0.003 -0.000 -2.162
Polar
3z2-r2-4.324
x2-y24.621
xy-0.152
xz-0.003
yz-0.000


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


<r2> (average value of r2) Å2
<r2> 86.056
(<r2>)1/2 9.277