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

using model chemistry: B3LYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/cc-pVTZ
 hartrees
Energy at 0K-876.302585
Energy at 298.15K-876.308705
Nuclear repulsion energy201.544745
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 B3LYP/cc-pVTZ
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 3059 2956 0.00      
2 Ag 2668 2579 0.00      
3 Ag 1494 1444 0.00      
4 Ag 1322 1278 0.00      
5 Ag 1095 1059 0.00      
6 Ag 883 853 0.00      
7 Ag 728 703 0.00      
8 Ag 275 266 0.00      
9 Au 3125 3020 8.81      
10 Au 1122 1085 4.48      
11 Au 781 754 2.99      
12 Au 148 143 21.09      
13 Au 79 76 19.41      
14 Bg 3101 2998 0.00      
15 Bg 1300 1257 0.00      
16 Bg 967 934 0.00      
17 Bg 150 145 0.00      
18 Bu 3069 2966 24.33      
19 Bu 2669 2580 7.02      
20 Bu 1498 1448 5.62      
21 Bu 1245 1203 39.61      
22 Bu 888 859 1.61      
23 Bu 697 674 7.87      
24 Bu 200 193 6.51      

Unscaled Zero Point Vibrational Energy (zpe) 16280.4 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 15736.6 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 B3LYP/cc-pVTZ
ABC
0.84125 0.05010 0.04814

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVTZ

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 1.749 -1.346 0.000
S4 -1.749 1.346 0.000
H5 1.471 -2.663 0.000
H6 -1.471 2.663 0.000
H7 -0.503 -1.141 0.886
H8 -0.503 -1.141 -0.886
H9 0.503 1.141 0.886
H10 0.503 1.141 -0.886

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.51962.73711.84453.72522.40522.15692.15691.08801.0880
C21.51961.84452.73712.40523.72521.08801.08802.15692.1569
S32.73711.84454.41341.34585.14152.42862.42862.91942.9194
S41.84452.73714.41345.14151.34582.91942.91942.42862.4286
H53.72522.40521.34585.14156.08402.64522.64524.02394.0239
H62.40523.72525.14151.34586.08404.02394.02392.64522.6452
H72.15691.08802.42862.91942.64524.02391.77252.49423.0599
H82.15691.08802.42862.91942.64524.02391.77253.05992.4942
H91.08802.15692.91942.42864.02392.64522.49423.05991.7725
H101.08802.15692.91942.42864.02392.64523.05992.49421.7725

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 108.520 C1 C2 H7 110.522
C1 C2 H8 110.522 C1 S4 H6 96.613
C2 C1 S4 108.520 C2 C1 H9 110.522
C2 C1 H10 110.522 C2 S3 H5 96.613
S3 C2 H7 109.081 S3 C2 H8 109.081
S4 C1 H9 109.081 S4 C1 H10 109.081
H7 C2 H8 109.085 H9 C1 H10 109.085
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.179     -0.179
2 C -0.179     -0.210
3 S -0.156     -0.288
4 S -0.156     -0.289
5 H 0.088     0.170
6 H 0.088     0.166
7 H 0.123     0.160
8 H 0.123     0.160
9 H 0.123     0.155
10 H 0.123     0.155


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 0.014 -0.014 0.000 0.020


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.615 1.406 0.000
y 1.406 -33.962 0.000
z 0.000 0.000 -43.026
Traceless
 xyz
x -8.121 1.406 0.000
y 1.406 10.858 0.000
z 0.000 0.000 -2.737
Polar
3z2-r2-5.474
x2-y2-12.653
xy1.406
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.790 -2.296 0.000
y -2.296 10.323 0.000
z 0.000 0.000 6.629


<r2> (average value of r2) Å2
<r2> 216.358
(<r2>)1/2 14.709