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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-874.795650
Energy at 298.15K-874.801887
HF Energy-874.239518
Nuclear repulsion energy202.216490
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 CCD/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 3112 2945 0.00      
2 Ag 2732 2586 0.00      
3 Ag 1551 1468 0.00      
4 Ag 1409 1334 0.00      
5 Ag 1141 1080 0.00      
6 Ag 939 889 0.00      
7 Ag 772 731 0.00      
8 Ag 292 277 0.00      
9 Au 3182 3011 11.49      
10 Au 1179 1116 4.72      
11 Au 807 764 3.09      
12 Au 146 138 23.40      
13 Au 86 81 34.13      
14 Bg 3162 2993 0.00      
15 Bg 1344 1272 0.00      
16 Bg 1024 969 0.00      
17 Bg 152 144 0.00      
18 Bu 3118 2952 25.13      
19 Bu 2732 2586 40.45      
20 Bu 1553 1470 5.96      
21 Bu 1306 1237 53.65      
22 Bu 928 878 6.76      
23 Bu 761 721 3.98      
24 Bu 209 198 8.27      

Unscaled Zero Point Vibrational Energy (zpe) 16818.9 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 15919.1 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 CCD/6-31G*
ABC
0.83813 0.05061 0.04860

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/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 1.735 -1.345 0.000
S4 -1.735 1.345 0.000
H5 1.448 -2.661 0.000
H6 -1.448 2.661 0.000
H7 -0.517 -1.136 0.890
H8 -0.517 -1.136 -0.890
H9 0.517 1.136 0.890
H10 0.517 1.136 -0.890

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52552.72981.82983.71712.38742.15942.15941.09431.0943
C21.52551.82982.72982.38743.71711.09431.09432.15942.1594
S32.72981.82984.39011.34655.11632.42982.42982.90342.9034
S41.82982.72984.39015.11631.34652.90342.90342.42982.4298
H53.71712.38741.34655.11636.05862.64152.64154.00914.0091
H62.38743.71715.11631.34656.05864.00914.00912.64152.6415
H72.15941.09432.42982.90342.64154.00911.77912.49573.0649
H82.15941.09432.42982.90342.64154.00911.77913.06492.4957
H91.09432.15942.90342.42984.00912.64152.49573.06491.7791
H101.09432.15942.90342.42984.00912.64153.06492.49571.7791

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 108.555 C1 C2 H7 109.936
C1 C2 H8 109.936 C1 S4 H6 96.270
C2 C1 S4 108.555 C2 C1 H9 109.936
C2 C1 H10 109.936 C2 S3 H5 96.270
S3 C2 H7 109.824 S3 C2 H8 109.824
S4 C1 H9 109.824 S4 C1 H10 109.824
H7 C2 H8 108.760 H9 C1 H10 108.760
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability