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

using model chemistry: QCISD/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at QCISD/6-311G*
 hartrees
Energy at 0K-874.887327
Energy at 298.15K-874.893453
HF Energy-874.298351
Nuclear repulsion energy202.174901
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 QCISD/6-311G*
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 3073 2942 0.00      
2 Ag 2618 2506 0.00      
3 Ag 1524 1459 0.00      
4 Ag 1394 1334 0.00      
5 Ag 1129 1081 0.00      
6 Ag 927 887 0.00      
7 Ag 760 728 0.00      
8 Ag 291 278 0.00      
9 Au 3142 3008 13.53      
10 Au 1175 1125 11.63      
11 Au 801 767 6.31      
12 Au 131 126 9.60      
13 Au 68 65 50.63      
14 Bg 3121 2988 0.00      
15 Bg 1336 1279 0.00      
16 Bg 1014 971 0.00      
17 Bg 122 117 0.00      
18 Bu 3079 2948 31.10      
19 Bu 2618 2506 29.57      
20 Bu 1527 1462 5.27      
21 Bu 1298 1243 69.52      
22 Bu 914 875 5.44      
23 Bu 749 717 4.63      
24 Bu 207 198 7.51      

Unscaled Zero Point Vibrational Energy (zpe) 16508.5 cm-1
Scaled (by 0.9574) Zero Point Vibrational Energy (zpe) 15805.2 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 QCISD/6-311G*
ABC
0.83673 0.05062 0.04861

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-311G*

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 1.736 -1.343 0.000
S4 -1.736 1.343 0.000
H5 1.447 -2.662 0.000
H6 -1.447 2.662 0.000
H7 -0.515 -1.135 0.891
H8 -0.515 -1.135 -0.891
H9 0.515 1.135 0.891
H10 0.515 1.135 -0.891

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52582.72931.83043.71822.38782.15902.15901.09421.0942
C21.52581.83042.72932.38783.71821.09421.09422.15902.1590
S32.72931.83044.38991.35025.11612.42942.42942.90312.9031
S41.83042.72934.38995.11611.35022.90312.90312.42942.4294
H53.71822.38781.35025.11616.06002.64082.64084.01044.0104
H62.38783.71825.11611.35026.06004.01044.01042.64082.6408
H72.15901.09422.42942.90312.64084.01041.78192.49283.0642
H82.15901.09422.42942.90312.64084.01041.78193.06422.4928
H91.09422.15902.90312.42944.01042.64082.49283.06421.7819
H101.09422.15902.90312.42944.01042.64083.06422.49281.7819

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 108.480 C1 C2 H7 109.897
C1 C2 H8 109.897 C1 S4 H6 96.132
C2 C1 S4 108.480 C2 C1 H9 109.897
C2 C1 H10 109.897 C2 S3 H5 96.132
S3 C2 H7 109.763 S3 C2 H8 109.763
S4 C1 H9 109.763 S4 C1 H10 109.763
H7 C2 H8 109.031 H9 C1 H10 109.031
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability