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

using model chemistry: MP2/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-874.848187
Energy at 298.15K-874.854447
HF Energy-874.289452
Nuclear repulsion energy201.763325
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/cc-pVDZ
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 3104 2957 0.00      
2 Ag 2773 2642 0.00      
3 Ag 1491 1420 0.00      
4 Ag 1332 1269 0.00      
5 Ag 1123 1070 0.00      
6 Ag 915 872 0.00      
7 Ag 761 725 0.00      
8 Ag 287 273 0.00      
9 Au 3186 3035 10.97      
10 Au 1129 1075 5.10      
11 Au 787 750 2.18      
12 Au 161 154 30.85      
13 Au 92 87 20.87      
14 Bg 3166 3016 0.00      
15 Bg 1300 1238 0.00      
16 Bg 978 931 0.00      
17 Bg 170 162 0.00      
18 Bu 3110 2963 24.43      
19 Bu 2774 2642 8.35      
20 Bu 1490 1419 4.33      
21 Bu 1237 1178 42.70      
22 Bu 896 853 2.03      
23 Bu 748 713 5.07      
24 Bu 203 193 6.77      

Unscaled Zero Point Vibrational Energy (zpe) 16605.8 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 15817.0 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/cc-pVDZ
ABC
0.82937 0.05050 0.04849

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.764 0.000
C2 0.000 -0.764 0.000
S3 1.743 -1.339 0.000
S4 -1.743 1.339 0.000
H5 1.457 -2.657 0.000
H6 -1.457 2.657 0.000
H7 -0.520 -1.140 0.897
H8 -0.520 -1.140 -0.897
H9 0.520 1.140 0.897
H10 0.520 1.140 -0.897

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52732.73101.83533.71802.38912.16722.16721.10241.1024
C21.52731.83532.73102.38913.71801.10241.10242.16722.1672
S32.73101.83534.39551.34875.11922.44172.44172.90582.9058
S41.83532.73104.39555.11921.34872.90582.90582.44172.4417
H53.71802.38911.34875.11926.06062.64822.64824.01224.0122
H62.38913.71805.11921.34876.06064.01224.01222.64822.6482
H72.16721.10242.44172.90582.64824.01221.79312.50513.0807
H82.16721.10242.44172.90582.64824.01221.79313.08072.5051
H91.10242.16722.90582.44174.01222.64822.50513.08071.7931
H101.10242.16722.90582.44174.01222.64823.08072.50511.7931

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 108.267 C1 C2 H7 109.947
C1 C2 H8 109.947 C1 S4 H6 96.032
C2 C1 S4 108.267 C2 C1 H9 109.947
C2 C1 H10 109.947 C2 S3 H5 96.032
S3 C2 H7 109.917 S3 C2 H8 109.917
S4 C1 H9 109.917 S4 C1 H10 109.917
H7 C2 H8 108.839 H9 C1 H10 108.839
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability