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

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-874.838225
Energy at 298.15K-874.845015
Nuclear repulsion energy203.336613
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/6-31+G**
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 3147 2956 0.00      
2 Ag 2834 2661 0.00      
3 Ag 1538 1444 0.00      
4 Ag 1399 1314 0.00      
5 Ag 1144 1074 0.00      
6 Ag 939 882 0.00      
7 Ag 776 729 0.00      
8 Ag 293 275 0.00      
9 Au 3230 3033 4.81      
10 Au 1150 1080 7.05      
11 Au 808 759 2.32      
12 Au 122 115 2.56      
13 Bg 3210 3015 0.00      
14 Bg 1325 1244 0.00      
15 Bg 1017 956 0.00      
16 Bg 39 36 0.00      
17 Bu 3155 2963 23.11      
18 Bu 2834 2662 15.51      
19 Bu 1538 1444 5.48      
20 Bu 1300 1221 65.23      
21 Bu 928 872 6.38      
22 Bu 763 717 3.78      
23 Bu 207 194 8.32      

Unscaled Zero Point Vibrational Energy (zpe) 16847.9 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 15823.6 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/6-31+G**
ABC
0.84290 0.05106 0.04913

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.759 0.000
C2 0.000 -0.759 0.000
S3 1.729 -1.333 0.000
S4 -1.729 1.333 0.000
H5 1.448 -2.634 0.000
H6 -1.448 2.634 0.000
H7 -0.513 -1.128 0.886
H8 -0.513 -1.128 -0.886
H9 0.513 1.128 0.886
H10 0.513 1.128 -0.886

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.51802.71451.82223.68902.36892.14702.14701.08811.0881
C21.51801.82222.71452.36893.68901.08811.08812.14702.1470
S32.71451.82224.36731.33085.08272.41952.41952.88512.8851
S41.82222.71454.36735.08271.33082.88512.88512.41952.4195
H53.68902.36891.33085.08276.01132.62602.62603.97663.9766
H62.36893.68905.08271.33086.01133.97663.97662.62602.6260
H72.14701.08812.41952.88512.62603.97661.77172.47873.0467
H82.14701.08812.41952.88512.62603.97661.77173.04672.4787
H91.08812.14702.88512.41953.97662.62602.47873.04671.7717
H101.08812.14702.88512.41953.97662.62603.04672.47871.7717

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 108.371 C1 C2 H7 109.838
C1 C2 H8 109.838 C1 S4 H6 96.161
C2 C1 S4 108.371 C2 C1 H9 109.838
C2 C1 H10 109.838 C2 S3 H5 96.161
S3 C2 H7 109.894 S3 C2 H8 109.894
S4 C1 H9 109.894 S4 C1 H10 109.894
H7 C2 H8 108.997 H9 C1 H10 108.997
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability