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

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-876.193321
Energy at 298.15K-876.199368
Nuclear repulsion energy200.919788
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 B3LYP/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 3080 2958 0.00      
2 Ag 2683 2576 0.00      
3 Ag 1522 1462 0.00      
4 Ag 1358 1304 0.00      
5 Ag 1106 1062 0.00      
6 Ag 892 857 0.00      
7 Ag 734 705 0.00      
8 Ag 277 266 0.00      
9 Au 3150 3025 13.61      
10 Au 1147 1102 4.42      
11 Au 791 759 3.83      
12 Au 134 128 16.32      
13 Au 70 67 39.84      
14 Bg 3128 3004 0.00      
15 Bg 1318 1266 0.00      
16 Bg 985 946 0.00      
17 Bg 136 131 0.00      
18 Bu 3089 2967 28.43      
19 Bu 2683 2577 42.88      
20 Bu 1524 1464 5.00      
21 Bu 1271 1220 63.71      
22 Bu 898 863 5.65      
23 Bu 705 677 9.05      
24 Bu 201 193 8.47      

Unscaled Zero Point Vibrational Energy (zpe) 16440.5 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 15787.8 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 B3LYP/6-31G*
ABC
0.83326 0.04984 0.04788

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.763 0.000
C2 0.000 -0.763 0.000
S3 1.755 -1.348 0.000
S4 -1.755 1.348 0.000
H5 1.473 -2.669 0.000
H6 -1.473 2.669 0.000
H7 -0.509 -1.143 0.890
H8 -0.509 -1.143 -0.890
H9 0.509 1.143 0.890
H10 0.509 1.143 -0.890

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52642.74501.84943.73482.40872.16472.16471.09341.0934
C21.52641.84942.74502.40873.73481.09341.09342.16472.1647
S32.74501.84944.42511.35045.15292.44082.44082.92402.9240
S41.84942.74504.42515.15291.35042.92402.92402.44082.4408
H53.73482.40871.35045.15296.09682.65492.65494.03164.0316
H62.40873.73485.15291.35046.09684.03164.03162.65492.6549
H72.16471.09342.44082.92402.65494.03161.77992.50303.0713
H82.16471.09342.44082.92402.65494.03161.77993.07132.5030
H91.09342.16472.92402.44084.03162.65492.50303.07131.7799
H101.09342.16472.92402.44084.03162.65493.07132.50301.7799

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 108.433 C1 C2 H7 110.342
C1 C2 H8 110.342 C1 S4 H6 96.415
C2 C1 S4 108.433 C2 C1 H9 110.342
C2 C1 H10 110.342 C2 S3 H5 96.415
S3 C2 H7 109.373 S3 C2 H8 109.373
S4 C1 H9 109.373 S4 C1 H10 109.373
H7 C2 H8 108.961 H9 C1 H10 108.961
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.410 -0.058 -0.058 -0.226
2 C -0.410 -0.058 -0.058 -0.251
3 S -0.077 -0.344 -0.063 -0.314
4 S -0.077 -0.344 -0.063 -0.315
5 H 0.098 0.191 0.024 0.196
6 H 0.098 0.191 0.024 0.191
7 H 0.194 0.105 0.049 0.182
8 H 0.194 0.105 0.049 0.182
9 H 0.194 0.105 0.049 0.178
10 H 0.194 0.105 0.049 0.178


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 0.000 0.000 0.000 0.000
AIM 0.000 0.000 0.000 0.000
ESP 0.014 -0.017 0.000 0.022


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.168 -2.035 0.000
y -2.035 8.880 0.000
z 0.000 0.000 5.615


<r2> (average value of r2) Å2
<r2> 217.219
(<r2>)1/2 14.738