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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-874.789736
Energy at 298.15K-874.796000
HF Energy-874.239727
Nuclear repulsion energy202.358688
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 MP3/6-31G*
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 3138 2946 0.00      
2 Ag 2755 2586 0.00      
3 Ag 1559 1463 0.00      
4 Ag 1414 1327 0.00      
5 Ag 1146 1075 0.00      
6 Ag 941 883 0.00      
7 Ag 774 727 0.00      
8 Ag 293 275 0.00      
9 Au 3208 3011 10.36      
10 Au 1183 1110 4.88      
11 Au 811 761 3.20      
12 Au 151 141 26.99      
13 Au 88 83 32.45      
14 Bg 3189 2993 0.00      
15 Bg 1349 1267 0.00      
16 Bg 1028 965 0.00      
17 Bg 156 146 0.00      
18 Bu 3145 2952 23.50      
19 Bu 2755 2586 35.64      
20 Bu 1561 1465 6.19      
21 Bu 1310 1230 55.08      
22 Bu 930 873 6.72      
23 Bu 763 716 4.67      
24 Bu 209 196 8.57      

Unscaled Zero Point Vibrational Energy (zpe) 16926.7 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 15887.4 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 MP3/6-31G*
ABC
0.83933 0.05067 0.04866

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.485 0.588 0.000
C2 -0.485 -0.588 0.000
S3 0.485 -2.140 0.000
S4 -0.485 2.140 0.000
H5 -0.571 -2.972 0.000
H6 0.571 2.972 0.000
H7 -1.119 -0.548 0.888
H8 -1.119 -0.548 -0.888
H9 1.119 0.548 0.888
H10 1.119 0.548 -0.888

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52462.72771.82953.71342.38532.15702.15701.09211.0921
C21.52461.82952.72772.38533.71341.09211.09212.15702.1570
S32.72771.82954.38761.34455.11222.42772.42772.90092.9009
S41.82952.72774.38765.11221.34452.90092.90092.42772.4277
H53.71342.38531.34455.11226.05262.63902.63904.00454.0045
H62.38533.71345.11221.34456.05264.00454.00452.63902.6390
H72.15701.09212.42772.90092.63904.00451.77672.49203.0605
H82.15701.09212.42772.90092.63904.00451.77673.06052.4920
H91.09212.15702.90092.42774.00452.63902.49203.06051.7767
H101.09212.15702.90092.42774.00452.63903.06052.49201.7767

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 108.490 C1 C2 H7 109.938
C1 C2 H8 109.938 C1 S4 H6 96.242
C2 C1 S4 108.490 C2 C1 H9 109.938
C2 C1 H10 109.938 C2 S3 H5 96.242
S3 C2 H7 109.805 S3 C2 H8 109.805
S4 C1 H9 109.805 S4 C1 H10 109.805
H7 C2 H8 108.856 H9 C1 H10 108.856
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability