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All results from a given calculation for C4H10S2 (1,4-Butanedithiol)

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-954.692749
Energy at 298.15K-954.703162
Nuclear repulsion energy330.860547
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 BLYP/6-31G(2df,p)
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 2978 2962 0.00      
2 Ag 2947 2930 0.00      
3 Ag 2594 2580 0.00      
4 Ag 1453 1445 0.00      
5 Ag 1447 1439 0.00      
6 Ag 1345 1338 0.00      
7 Ag 1236 1229 0.00      
8 Ag 1063 1057 0.00      
9 Ag 1007 1002 0.00      
10 Ag 819 815 0.00      
11 Ag 714 710 0.00      
12 Ag 321 319 0.00      
13 Ag 196 195 0.00      
14 Au 3034 3017 46.80      
15 Au 2993 2977 13.73      
16 Au 1283 1275 1.07      
17 Au 1066 1060 2.69      
18 Au 867 862 1.68      
19 Au 728 724 3.59      
20 Au 195 194 30.03      
21 Au 102 101 6.25      
22 Au 51 50 4.92      
23 Bg 3029 3013 0.00      
24 Bg 2974 2958 0.00      
25 Bg 1297 1290 0.00      
26 Bg 1220 1213 0.00      
27 Bg 1006 1001 0.00      
28 Bg 761 757 0.00      
29 Bg 192 191 0.00      
30 Bg 128 127 0.00      
31 Bu 2981 2964 62.58      
32 Bu 2954 2938 14.76      
33 Bu 2594 2580 18.11      
34 Bu 1474 1466 1.41      
35 Bu 1443 1435 2.20      
36 Bu 1306 1299 30.10      
37 Bu 1195 1189 50.44      
38 Bu 1007 1001 1.36      
39 Bu 848 843 1.53      
40 Bu 684 680 6.78      
41 Bu 370 368 5.44      
42 Bu 96 96 3.21      

Unscaled Zero Point Vibrational Energy (zpe) 27997.7 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 27843.7 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 BLYP/6-31G(2df,p)
ABC
0.46963 0.01825 0.01780

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.486 3.149 0.000
S2 -1.486 -3.149 0.000
C3 1.486 1.285 0.000
C4 -1.486 -1.285 0.000
C5 0.034 0.773 0.000
C6 -0.034 -0.773 0.000
H7 2.834 3.306 0.000
H8 -2.834 -3.306 0.000
H9 -0.494 1.168 0.885
H10 -0.494 1.168 -0.885
H11 0.494 -1.168 0.885
H12 0.494 -1.168 -0.885
H13 -2.021 -0.932 -0.894
H14 -2.021 -0.932 0.894
H15 2.021 0.932 -0.894
H16 2.021 0.932 0.894

Atom - Atom Distances (Å)
  S1 S2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
S16.96361.86355.33792.78474.20571.35737.76752.93772.93774.51654.51655.45475.45472.44922.4492
S26.96365.33791.86354.20572.78477.76751.35734.51654.51652.93772.93772.44922.44925.45475.4547
C31.86355.33793.92951.54022.55832.42966.30462.17242.17242.79002.79004.24474.24471.09991.0999
C45.33791.86353.92952.55831.54026.30462.42962.79002.79002.17242.17241.09991.09994.24474.2447
C52.78474.20571.54022.55831.54723.77664.98651.10381.10382.18212.18212.81582.81582.18522.1852
C64.20572.78472.55831.54021.54724.98653.77662.18212.18211.10381.10382.18522.18522.81582.8158
H71.35737.76752.42966.30463.77664.98658.70984.05434.05435.12615.12616.50706.50702.66402.6640
H87.76751.35736.30462.42964.98653.77668.70985.12615.12614.05434.05432.66402.66406.50706.5070
H92.93774.51652.17242.79001.10382.18214.05435.12611.77042.53613.09293.14722.59643.09012.5268
H102.93774.51652.17242.79001.10382.18214.05435.12611.77043.09292.53612.59643.14722.52683.0901
H114.51652.93772.79002.17242.18211.10385.12614.05432.53613.09291.77043.09012.52683.14722.5964
H124.51652.93772.79002.17242.18211.10385.12614.05433.09292.53611.77042.52683.09012.59643.1472
H135.45472.44924.24471.09992.81582.18526.50702.66403.14722.59643.09012.52681.78714.45204.7973
H145.45472.44924.24471.09992.81582.18526.50702.66402.59643.14722.52683.09011.78714.79734.4520
H152.44925.45471.09994.24472.18522.81582.66406.50703.09012.52683.14722.59644.45204.79731.7871
H162.44925.45471.09994.24472.18522.81582.66406.50702.52683.09012.59643.14724.79734.45201.7871

picture of 1,4-Butanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C3 C5 109.431 S1 C3 H15 108.727
S1 C3 H16 108.727 S2 C4 C6 109.431
S2 C4 H13 108.727 S2 C4 H14 108.727
C3 S1 H7 96.674 C3 C5 C6 111.921
C3 C5 H9 109.396 C3 C5 H10 109.396
C4 S2 H8 96.674 C4 C6 C5 111.921
C4 C6 H11 109.396 C4 C6 H12 109.396
C5 C3 H15 110.623 C5 C3 H16 110.623
C5 C6 H11 109.671 C5 C6 H12 109.671
C6 C4 H13 110.623 C6 C4 H14 110.623
C6 C5 H9 109.671 C6 C5 H10 109.671
H9 C5 H10 106.643 H11 C6 H12 106.643
H13 C4 H14 108.661 H15 C3 H16 108.661
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.274      
2 S -0.274      
3 C -0.158      
4 C -0.158      
5 C -0.146      
6 C -0.146      
7 H 0.144      
8 H 0.144      
9 H 0.102      
10 H 0.102      
11 H 0.102      
12 H 0.102      
13 H 0.115      
14 H 0.115      
15 H 0.115      
16 H 0.115      


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 -45.231 1.436 0.000
y 1.436 -66.552 0.000
z 0.000 0.000 -55.757
Traceless
 xyz
x 15.924 1.436 0.000
y 1.436 -16.058 0.000
z 0.000 0.000 0.134
Polar
3z2-r20.269
x2-y221.321
xy1.436
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.938 2.765 0.000
y 2.765 15.860 0.000
z 0.000 0.000 9.357


<r2> (average value of r2) Å2
<r2> 546.828
(<r2>)1/2 23.384