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

using model chemistry: LSDA/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-873.570074
Energy at 298.15K-873.575936
Nuclear repulsion energy199.486654
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 LSDA/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 Ag 3028 2967 0.00      
2 Ag 2462 2412 0.00      
3 Ag 1472 1442 0.00      
4 Ag 1303 1277 0.00      
5 Ag 1128 1105 0.00      
6 Ag 845 828 0.00      
7 Ag 702 688 0.00      
8 Ag 272 266 0.00      
9 Au 3116 3052 6.05      
10 Au 1108 1085 4.71      
11 Au 791 775 8.24      
12 Au 120 117 10.84      
13 Au 56 55 76.56      
14 Bg 3089 3026 0.00      
15 Bg 1280 1254 0.00      
16 Bg 954 935 0.00      
17 Bg 106 104 0.00      
18 Bu 3038 2977 13.06      
19 Bu 2463 2413 68.74      
20 Bu 1472 1442 12.64      
21 Bu 1231 1206 40.00      
22 Bu 821 804 6.67      
23 Bu 688 674 11.95      
24 Bu 190 186 13.63      

Unscaled Zero Point Vibrational Energy (zpe) 15866.9 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 15544.8 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 LSDA/6-31G
ABC
0.81540 0.04950 0.04753

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.496 0.565 0.000
C2 -0.496 -0.565 0.000
S3 0.496 -2.166 0.000
S4 -0.496 2.166 0.000
H5 -0.598 -3.026 0.000
H6 0.598 3.026 0.000
H7 -1.131 -0.531 0.900
H8 -1.131 -0.531 -0.900
H9 1.131 0.531 0.900
H10 1.131 0.531 -0.900

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.50292.73071.88323.75312.46302.15802.15801.10231.1023
C21.50291.88322.73072.46303.75311.10231.10232.15802.1580
S32.73071.88324.44381.39075.19252.47542.47542.91352.9135
S41.88322.73074.44385.19251.39072.91352.91352.47542.4754
H53.75312.46301.39075.19256.16812.70502.70504.05574.0557
H62.46303.75315.19251.39076.16814.05574.05572.70502.7050
H72.15801.10232.47542.91352.70504.05571.80082.49853.0798
H82.15801.10232.47542.91352.70504.05571.80083.07982.4985
H91.10232.15802.91352.47544.05572.70502.49853.07981.8008
H101.10232.15802.91352.47544.05572.70503.07982.49851.8008

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 106.967 C1 C2 H7 110.923
C1 C2 H8 110.923 C1 S4 H6 96.420
C2 C1 S4 106.967 C2 C1 H9 110.923
C2 C1 H10 110.923 C2 S3 H5 96.420
S3 C2 H7 109.216 S3 C2 H8 109.216
S4 C1 H9 109.216 S4 C1 H10 109.216
H7 C2 H8 109.535 H9 C1 H10 109.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.545      
2 C -0.545      
3 S 0.006      
4 S 0.006      
5 H 0.083      
6 H 0.083      
7 H 0.228      
8 H 0.228      
9 H 0.228      
10 H 0.228      


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 -40.909 8.898 0.000
y 8.898 -39.707 0.000
z 0.000 0.000 -43.271
Traceless
 xyz
x 0.581 8.898 0.000
y 8.898 2.382 0.000
z 0.000 0.000 -2.963
Polar
3z2-r2-5.926
x2-y2-1.201
xy8.898
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.238 -0.367 0.000
y -0.367 11.483 0.000
z 0.000 0.000 5.209


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000