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All results from a given calculation for CH2SHCH2SH (1,2-Ethanedithiol)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-876.212274
Energy at 298.15K-876.218523
Nuclear repulsion energy202.702842
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 B1B95/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3089 2955 0.00      
2 Ag 2734 2615 0.00      
3 Ag 1493 1428 0.00      
4 Ag 1340 1282 0.00      
5 Ag 1115 1067 0.00      
6 Ag 905 866 0.00      
7 Ag 746 714 0.00      
8 Ag 279 267 0.00      
9 Au 3165 3028 5.46      
10 Au 1133 1084 6.27      
11 Au 783 749 3.22      
12 Au 176 168 39.01      
13 Au 95 91 15.68      
14 Bg 3143 3007 0.00      
15 Bg 1299 1242 0.00      
16 Bg 976 933 0.00      
17 Bg 177 169 0.00      
18 Bu 3097 2963 23.99      
19 Bu 2734 2616 16.15      
20 Bu 1492 1427 5.89      
21 Bu 1250 1196 58.73      
22 Bu 896 857 4.50      
23 Bu 732 700 7.23      
24 Bu 196 187 8.90      

Unscaled Zero Point Vibrational Energy (zpe) 16521.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 15804.7 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 B1B95/6-31+G**
ABC
0.84056 0.05090 0.04888

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.485 0.584 0.000
C2 -0.485 -0.584 0.000
S3 0.485 -2.134 0.000
S4 -0.485 2.134 0.000
H5 -0.567 -2.969 0.000
H6 0.567 2.969 0.000
H7 -1.118 -0.547 0.889
H8 -1.118 -0.547 -0.889
H9 1.118 0.547 0.889
H10 1.118 0.547 -0.889

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.51842.71851.82903.70562.38662.15392.15391.09171.0917
C21.51841.82902.71852.38663.70561.09171.09172.15392.1539
S32.71851.82904.37781.34285.10432.42452.42452.89532.8953
S41.82902.71854.37785.10431.34282.89532.89532.42452.4245
H53.70562.38661.34285.10436.04552.63802.63803.99923.9992
H62.38663.70565.10431.34286.04553.99923.99922.63802.6380
H72.15391.09172.42452.89532.63803.99921.77772.48933.0589
H82.15391.09172.42452.89532.63803.99921.77773.05892.4893
H91.09172.15392.89532.42453.99922.63802.48933.05891.7777
H101.09172.15392.89532.42453.99922.63803.05892.48931.7777

picture of 1,2-Ethanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 108.253 C1 C2 H7 110.152
C1 C2 H8 110.152 C1 S4 H6 96.400
C2 C1 S4 108.253 C2 C1 H9 110.152
C2 C1 H10 110.152 C2 S3 H5 96.400
S3 C2 H7 109.626 S3 C2 H8 109.626
S4 C1 H9 109.626 S4 C1 H10 109.626
H7 C2 H8 109.019 H9 C1 H10 109.019
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.436      
2 C -0.436      
3 S -0.061      
4 S -0.061      
5 H 0.078      
6 H 0.078      
7 H 0.209      
8 H 0.209      
9 H 0.209      
10 H 0.209      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.263 7.377 0.000
y 7.377 -39.988 0.000
z 0.000 0.000 -43.369
Traceless
 xyz
x 1.416 7.377 0.000
y 7.377 1.828 0.000
z 0.000 0.000 -3.244
Polar
3z2-r2-6.488
x2-y2-0.275
xy7.377
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.903 -0.771 0.000
y -0.771 11.793 0.000
z 0.000 0.000 7.659


<r2> (average value of r2) Å2
<r2> 213.604
(<r2>)1/2 14.615