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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-874.831225
Energy at 298.15K-874.837349
HF Energy-874.298654
Nuclear repulsion energy203.062577
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 MP2/6-311G*
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 3106 2951 0.00      
2 Ag 2690 2557 0.00      
3 Ag 1527 1451 0.00      
4 Ag 1390 1321 0.00      
5 Ag 1134 1078 0.00      
6 Ag 929 883 0.00      
7 Ag 770 732 0.00      
8 Ag 293 278 0.00      
9 Au 3185 3027 7.86      
10 Au 1180 1121 12.99      
11 Au 809 768 7.14      
12 Au 133 126 8.97      
13 Au 62 59 58.83      
14 Bg 3165 3008 0.00      
15 Bg 1339 1272 0.00      
16 Bg 1019 968 0.00      
17 Bg 117 111 0.00      
18 Bu 3114 2959 25.11      
19 Bu 2691 2557 15.78      
20 Bu 1530 1454 5.74      
21 Bu 1299 1234 67.70      
22 Bu 913 868 4.57      
23 Bu 761 723 3.92      
24 Bu 208 198 8.20      

Unscaled Zero Point Vibrational Energy (zpe) 16681.1 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 15852.0 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 MP2/6-311G*
ABC
0.83961 0.05115 0.04911

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.487 0.581 0.000
C2 -0.487 -0.581 0.000
S3 0.487 -2.126 0.000
S4 -0.487 2.126 0.000
H5 -0.573 -2.951 0.000
H6 0.573 2.951 0.000
H7 -1.116 -0.544 0.891
H8 -1.116 -0.544 -0.891
H9 1.116 0.544 0.891
H10 1.116 0.544 -0.891

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.51682.70761.82673.68782.37112.15172.15171.09131.0913
C21.51681.82672.70762.37113.68781.09131.09132.15172.1517
S32.70761.82674.36301.34325.07792.42252.42252.88442.8844
S41.82672.70764.36305.07791.34322.88442.88442.42252.4225
H53.68782.37111.34325.07796.01192.62332.62333.98253.9825
H62.37113.68785.07791.34326.01193.98253.98252.62332.6233
H72.15171.09132.42252.88442.62333.98251.78242.48273.0563
H82.15171.09132.42252.88442.62333.98251.78243.05632.4827
H91.09132.15172.88442.42253.98252.62332.48273.05631.7824
H101.09132.15172.88442.42253.98252.62333.05632.48271.7824

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 107.798 C1 C2 H7 110.110
C1 C2 H8 110.110 C1 S4 H6 95.626
C2 C1 S4 107.798 C2 C1 H9 110.110
C2 C1 H10 110.110 C2 S3 H5 95.626
S3 C2 H7 109.650 S3 C2 H8 109.650
S4 C1 H9 109.650 S4 C1 H10 109.650
H7 C2 H8 109.500 H9 C1 H10 109.500
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability