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All results from a given calculation for CH3CH2SH (ethanethiol)

using model chemistry: ROHF/3-21G

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/3-21G
 hartrees
Energy at 0K-474.347255
Energy at 298.15K 
HF Energy-474.347255
Nuclear repulsion energy105.767468
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/3-21G
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' 3276 2971 35.87      
2 A' 3261 2958 0.21      
3 A' 3207 2909 19.36      
4 A' 2622 2378 34.01      
5 A' 1672 1517 4.29      
6 A' 1645 1492 6.55      
7 A' 1581 1434 7.67      
8 A' 1432 1299 52.85      
9 A' 1204 1092 4.16      
10 A' 1039 942 8.07      
11 A' 907 823 6.01      
12 A' 659 597 7.82      
13 A' 328 298 4.77      
14 A" 3333 3023 14.66      
15 A" 3278 2973 10.28      
16 A" 1667 1512 9.40      
17 A" 1407 1276 0.64      
18 A" 1149 1042 0.14      
19 A" 864 784 5.61      
20 A" 261 236 1.12      
21 A" 180 163 32.16      

Unscaled Zero Point Vibrational Energy (zpe) 17485.1 cm-1
Scaled (by 0.907) Zero Point Vibrational Energy (zpe) 15859.0 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 ROHF/3-21G
ABC
0.93771 0.17442 0.15556

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.526 0.733 0.000
C2 0.000 0.870 0.000
S3 -0.756 -0.874 0.000
H4 1.981 1.718 0.000
H5 1.862 0.199 0.879
H6 1.862 0.199 -0.879
H7 -0.348 1.381 0.883
H8 -0.348 1.381 -0.883
H9 -2.062 -0.519 0.000

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5 H6 H7 H8 H9
C11.53172.79111.08441.08261.08262.16982.16983.8000
C21.53171.90062.15482.16552.16551.07801.07802.4863
S32.79111.90063.76942.96282.96282.45552.45551.3530
H41.08442.15483.76941.75891.75892.51342.51344.6206
H51.08262.16552.96281.75891.75882.50553.06354.0847
H61.08262.16552.96281.75891.75883.06352.50554.0847
H72.16981.07802.45552.51342.50553.06351.76692.7072
H82.16981.07802.45552.51343.06352.50551.76692.7072
H93.80002.48631.35304.62064.08474.08472.70722.7072

picture of ethanethiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 108.335 C1 C2 H7 111.307
C1 C2 H8 111.307 C2 C1 H4 109.727
C2 C1 H5 110.685 C2 C1 H6 110.685
C2 S3 H9 98.254 S3 C2 H7 107.836
S3 C2 H8 107.836 H4 C1 H5 108.519
H4 C1 H6 108.519 H5 C1 H6 108.646
H7 C2 H8 110.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.596      
2 C -0.659      
3 S 0.016      
4 H 0.219      
5 H 0.227      
6 H 0.227      
7 H 0.251      
8 H 0.251      
9 H 0.064      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.080 2.191 0.000 2.192
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.072 -0.141 -0.003
y -0.141 -29.633 -0.000
z -0.003 -0.000 -29.462
Traceless
 xyz
x 4.476 -0.141 -0.003
y -0.141 -2.366 -0.000
z -0.003 -0.000 -2.110
Polar
3z2-r2-4.219
x2-y24.561
xy-0.141
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> 86.192
(<r2>)1/2 9.284