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

using model chemistry: MP2=FULL/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=FULL/6-311G*
 hartrees
Energy at 0K-875.109194
Energy at 298.15K-875.115381
HF Energy-874.298633
Nuclear repulsion energy203.210751
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/6-311G*
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 3108 2944 0.00      
2 Ag 2685 2543 0.00      
3 Ag 1528 1447 0.00      
4 Ag 1391 1317 0.00      
5 Ag 1136 1076 0.00      
6 Ag 931 882 0.00      
7 Ag 771 730 0.00      
8 Ag 293 278 0.00      
9 Au 3188 3019 7.56      
10 Au 1181 1119 13.07      
11 Au 810 767 7.29      
12 Au 138 131 14.80      
13 Au 77 72 52.81      
14 Bg 3168 3000 0.00      
15 Bg 1341 1270 0.00      
16 Bg 1020 966 0.00      
17 Bg 129 123 0.00      
18 Bu 3116 2952 24.73      
19 Bu 2685 2543 15.92      
20 Bu 1531 1450 5.83      
21 Bu 1300 1231 66.92      
22 Bu 915 866 4.59      
23 Bu 762 721 3.72      
24 Bu 209 198 8.17      

Unscaled Zero Point Vibrational Energy (zpe) 16706.1 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 15822.3 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/6-311G*
ABC
0.84053 0.05125 0.04920

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.760 0.000
C2 0.000 -0.760 0.000
S3 1.731 -1.327 0.000
S4 -1.731 1.327 0.000
H5 1.455 -2.643 0.000
H6 -1.455 2.643 0.000
H7 -0.513 -1.130 0.889
H8 -0.513 -1.130 -0.889
H9 0.513 1.130 0.889
H10 0.513 1.130 -0.889

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52002.71161.82143.70102.37972.15082.15081.09131.0913
C21.52001.82142.71162.37973.70101.09131.09132.15082.1508
S32.71161.82144.36241.34415.09052.42182.42182.88302.8830
S41.82142.71164.36245.09051.34412.88302.88302.42182.4218
H53.70102.37971.34415.09056.03412.63722.63723.98903.9890
H62.37973.70105.09051.34416.03413.98903.98902.63722.6372
H72.15081.09132.42182.88302.63723.98901.77862.48183.0533
H82.15081.09132.42182.88302.63723.98901.77863.05332.4818
H91.09132.15082.88302.42183.98902.63722.48183.05331.7786
H101.09132.15082.88302.42183.98902.63723.05332.48181.7786

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 108.146 C1 C2 H7 109.810
C1 C2 H8 109.810 C1 S4 H6 96.316
C2 C1 S4 108.146 C2 C1 H9 109.810
C2 C1 H10 109.810 C2 S3 H5 96.316
S3 C2 H7 109.952 S3 C2 H8 109.952
S4 C1 H9 109.952 S4 C1 H10 109.952
H7 C2 H8 109.159 H9 C1 H10 109.159
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability