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

using model chemistry: LSDA/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at LSDA/3-21G
 hartrees
Energy at 0K-869.304203
Energy at 298.15K-869.310136
Nuclear repulsion energy199.614827
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 LSDA/3-21G
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 3027 2978 0.00      
2 Ag 2407 2368 0.00      
3 Ag 1475 1451 0.00      
4 Ag 1295 1274 0.00      
5 Ag 1106 1088 0.00      
6 Ag 848 834 0.00      
7 Ag 705 693 0.00      
8 Ag 276 272 0.00      
9 Au 3114 3063 2.36      
10 Au 1120 1101 3.34      
11 Au 783 771 9.32      
12 Au 123 121 18.67      
13 Au 67 66 70.43      
14 Bg 3087 3036 0.00      
15 Bg 1301 1280 0.00      
16 Bg 926 911 0.00      
17 Bg 119 117 0.00      
18 Bu 3039 2989 6.79      
19 Bu 2409 2369 43.17      
20 Bu 1475 1450 16.98      
21 Bu 1227 1207 35.29      
22 Bu 833 820 6.59      
23 Bu 686 675 12.57      
24 Bu 195 192 12.77      

Unscaled Zero Point Vibrational Energy (zpe) 15822.2 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 15562.7 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 LSDA/3-21G
ABC
0.80838 0.04970 0.04770

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.501 0.563 0.000
C2 -0.501 -0.563 0.000
S3 0.501 -2.160 0.000
S4 -0.501 2.160 0.000
H5 -0.592 -3.017 0.000
H6 0.592 3.017 0.000
H7 -1.128 -0.527 0.905
H8 -1.128 -0.527 -0.905
H9 1.128 0.527 0.905
H10 1.128 0.527 -0.905

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.50642.72301.88583.74272.45622.15852.15851.10181.1018
C21.50641.88582.72302.45623.74271.10181.10182.15852.1585
S32.72301.88584.43541.38835.17832.47802.47802.90422.9042
S41.88582.72304.43545.17831.38832.90422.90422.47802.4780
H53.74272.45621.38835.17836.14922.70332.70334.04194.0419
H62.45623.74275.17831.38836.14924.04194.04192.70332.7033
H72.15851.10182.47802.90422.70334.04191.81002.49013.0785
H82.15851.10182.47802.90422.70334.04191.81003.07852.4901
H91.10182.15852.90422.47804.04192.70332.49013.07851.8100
H101.10182.15852.90422.47804.04192.70333.07852.49011.8100

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 106.250 C1 C2 H7 110.753
C1 C2 H8 110.753 C1 S4 H6 96.021
C2 C1 S4 106.250 C2 C1 H9 110.753
C2 C1 H10 110.753 C2 S3 H5 96.021
S3 C2 H7 109.261 S3 C2 H8 109.261
S4 C1 H9 109.261 S4 C1 H10 109.261
H7 C2 H8 110.455 H9 C1 H10 110.455
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.671      
2 C -0.671      
3 S 0.010      
4 S 0.010      
5 H 0.111      
6 H 0.111      
7 H 0.275      
8 H 0.275      
9 H 0.275      
10 H 0.275      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.098 8.745 0.000
y 8.745 -39.797 0.000
z 0.000 0.000 -43.281
Traceless
 xyz
x 0.441 8.745 0.000
y 8.745 2.392 0.000
z 0.000 0.000 -2.833
Polar
3z2-r2-5.666
x2-y2-1.301
xy8.745
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.908 -0.293 0.000
y -0.293 11.101 0.000
z 0.000 0.000 4.469


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000