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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-874.429734
Energy at 298.15K-874.435756
HF Energy-874.133620
Nuclear repulsion energy196.625730
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 MP2/6-31G
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 3118 2984 0.00      
2 Ag 2523 2414 0.00      
3 Ag 1561 1494 0.00      
4 Ag 1397 1336 0.00      
5 Ag 1120 1072 0.00      
6 Ag 865 828 0.00      
7 Ag 706 675 0.00      
8 Ag 273 261 0.00      
9 Au 3201 3063 12.68      
10 Au 1169 1118 2.99      
11 Au 813 778 4.28      
12 Au 126 121 25.26      
13 Au 81 77 50.46      
14 Bg 3181 3043 0.00      
15 Bg 1358 1299 0.00      
16 Bg 1008 965 0.00      
17 Bg 128 123 0.00      
18 Bu 3126 2991 19.47      
19 Bu 2524 2415 87.06      
20 Bu 1562 1495 6.78      
21 Bu 1312 1255 62.23      
22 Bu 853 816 11.99      
23 Bu 674 645 9.81      
24 Bu 195 186 11.31      

Unscaled Zero Point Vibrational Energy (zpe) 16436.6 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 15726.5 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 MP2/6-31G
ABC
0.81368 0.04748 0.04564

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.764 0.000
C2 0.000 -0.764 0.000
S3 1.823 -1.352 0.000
S4 -1.823 1.352 0.000
H5 1.549 -2.702 0.000
H6 -1.549 2.702 0.000
H7 -0.493 -1.156 0.896
H8 -0.493 -1.156 -0.896
H9 0.493 1.156 0.896
H10 0.493 1.156 -0.896

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52812.79311.91533.79662.48102.17482.17481.09451.0945
C21.52811.91532.79312.48103.79661.09451.09452.17482.1748
S32.79311.91534.53931.37755.27322.49032.49032.97682.9768
S41.91532.79314.53935.27321.37752.97682.97682.49032.4903
H53.79662.48101.37755.27326.22922.71312.71314.09894.0989
H62.48103.79665.27321.37756.22924.09894.09892.71312.7131
H72.17481.09452.49032.97682.71314.09891.79102.51253.0855
H82.17481.09452.49032.97682.71314.09891.79103.08552.5125
H91.09452.17482.97682.49034.09892.71312.51253.08551.7910
H101.09452.17482.97682.49034.09892.71313.08552.51251.7910

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 107.889 C1 C2 H7 110.965
C1 C2 H8 110.965 C1 S4 H6 96.410
C2 C1 S4 107.889 C2 C1 H9 110.965
C2 C1 H10 110.965 C2 S3 H5 96.410
S3 C2 H7 108.567 S3 C2 H8 108.567
S4 C1 H9 108.567 S4 C1 H10 108.567
H7 C2 H8 109.805 H9 C1 H10 109.805
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability