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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-876.224340
Energy at 298.15K-876.230514
HF Energy-876.224340
Nuclear repulsion energy201.898741
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 TPSSh/6-31G(2df,p)
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 3067 2959 0.00      
2 Ag 2704 2610 0.00      
3 Ag 1497 1445 0.00      
4 Ag 1315 1269 0.00      
5 Ag 1097 1059 0.00      
6 Ag 886 855 0.00      
7 Ag 730 705 0.00      
8 Ag 270 261 0.00      
9 Au 3142 3032 9.67      
10 Au 1113 1074 3.62      
11 Au 771 744 2.33      
12 Au 171 165 32.22      
13 Au 89 86 15.23      
14 Bg 3118 3009 0.00      
15 Bg 1296 1251 0.00      
16 Bg 961 927 0.00      
17 Bg 175 169 0.00      
18 Bu 3075 2967 24.48      
19 Bu 2705 2610 9.31      
20 Bu 1500 1448 4.09      
21 Bu 1232 1189 56.01      
22 Bu 882 851 2.52      
23 Bu 710 685 9.16      
24 Bu 190 183 7.36      

Unscaled Zero Point Vibrational Energy (zpe) 16347.3 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 15775.1 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 TPSSh/6-31G(2df,p)
ABC
0.83379 0.05046 0.04846

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.489 0.585 0.000
C2 -0.489 -0.585 0.000
S3 0.489 -2.142 0.000
S4 -0.489 2.142 0.000
H5 -0.565 -2.974 0.000
H6 0.565 2.974 0.000
H7 -1.120 -0.560 0.891
H8 -1.120 -0.560 -0.891
H9 1.120 0.560 0.891
H10 1.120 0.560 -0.891

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52562.72761.83873.71252.39022.16672.16671.09231.0923
C21.52561.83872.72762.39023.71251.09231.09232.16672.1667
S32.72761.83874.39481.34315.11722.42672.42672.91422.9142
S41.83872.72764.39485.11721.34312.91422.91422.42672.4267
H53.71252.39021.34315.11726.05512.63312.63314.01544.0154
H62.39023.71255.11721.34316.05514.01544.01542.63312.6331
H72.16671.09232.42672.91422.63314.01541.78252.50433.0738
H82.16671.09232.42672.91422.63314.01541.78253.07382.5043
H91.09232.16672.91422.42674.01542.63312.50433.07381.7825
H101.09232.16672.91422.42674.01542.63313.07382.50431.7825

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 107.981 C1 C2 H7 110.628
C1 C2 H8 110.628 C1 S4 H6 96.142
C2 C1 S4 107.981 C2 C1 H9 110.628
C2 C1 H10 110.628 C2 S3 H5 96.142
S3 C2 H7 109.106 S3 C2 H8 109.106
S4 C1 H9 109.106 S4 C1 H10 109.106
H7 C2 H8 109.352 H9 C1 H10 109.352
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability