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

using model chemistry: MP2=FULL/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=FULL/6-31G**
 hartrees
Energy at 0K-874.830136
Energy at 298.15K-874.836375
HF Energy-874.254002
Nuclear repulsion energy203.470356
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=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3158 2951 0.00      
2 Ag 2840 2654 0.00      
3 Ag 1554 1452 0.00      
4 Ag 1403 1311 0.00      
5 Ag 1148 1073 0.00      
6 Ag 945 883 0.00      
7 Ag 781 730 0.00      
8 Ag 294 274 0.00      
9 Au 3240 3027 9.71      
10 Au 1181 1104 4.95      
11 Au 809 756 2.57      
12 Au 145 136 18.05      
13 Au 79 74 38.77      
14 Bg 3221 3010 0.00      
15 Bg 1348 1260 0.00      
16 Bg 1024 957 0.00      
17 Bg 146 136 0.00      
18 Bu 3166 2958 23.49      
19 Bu 2840 2654 18.98      
20 Bu 1555 1453 5.53      
21 Bu 1303 1217 59.11      
22 Bu 933 872 6.93      
23 Bu 769 718 3.88      
24 Bu 208 194 8.01      

Unscaled Zero Point Vibrational Energy (zpe) 17044.5 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 15926.4 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 MP2=FULL/6-31G**
ABC
0.84723 0.05123 0.04920

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.759 0.000
C2 0.000 -0.759 0.000
S3 1.728 -1.333 0.000
S4 -1.728 1.333 0.000
H5 1.447 -2.633 0.000
H6 -1.447 2.633 0.000
H7 -0.514 -1.128 0.884
H8 -0.514 -1.128 -0.884
H9 0.514 1.128 0.884
H10 0.514 1.128 -0.884

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.51752.71281.82063.68752.36782.14642.14641.08751.0875
C21.51751.82062.71282.36783.68751.08751.08752.14642.1464
S32.71281.82064.36391.33035.07982.41852.41852.88292.8829
S41.82062.71284.36395.07981.33032.88292.88292.41852.4185
H53.68752.36781.33035.07986.00872.62512.62513.97483.9748
H62.36783.68755.07981.33036.00873.97483.97482.62512.6251
H72.14641.08752.41852.88292.62513.97481.76872.47963.0458
H82.14641.08752.41852.88292.62513.97481.76873.04582.4796
H91.08752.14642.88292.41853.97482.62512.47963.04581.7687
H101.08752.14642.88292.41853.97482.62513.04582.47961.7687

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 108.373 C1 C2 H7 109.861
C1 C2 H8 109.861 C1 S4 H6 96.188
C2 C1 S4 108.373 C2 C1 H9 109.861
C2 C1 H10 109.861 C2 S3 H5 96.188
S3 C2 H7 109.962 S3 C2 H8 109.962
S4 C1 H9 109.962 S4 C1 H10 109.962
H7 C2 H8 108.814 H9 C1 H10 108.814
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability