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

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-952.352027
Energy at 298.15K-952.363049
Nuclear repulsion energy335.742028
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 HF/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 3206 2903 0.00      
2 Ag 3168 2868 0.00      
3 Ag 2865 2594 0.00      
4 Ag 1615 1462 0.00      
5 Ag 1613 1460 0.00      
6 Ag 1537 1392 0.00      
7 Ag 1398 1266 0.00      
8 Ag 1183 1071 0.00      
9 Ag 1115 1010 0.00      
10 Ag 930 842 0.00      
11 Ag 821 743 0.00      
12 Ag 357 324 0.00      
13 Ag 220 200 0.00      
14 Au 3264 2956 51.20      
15 Au 3216 2912 21.14      
16 Au 1428 1293 1.02      
17 Au 1194 1081 2.36      
18 Au 963 872 1.23      
19 Au 788 714 2.58      
20 Au 210 190 32.89      
21 Au 109 99 11.82      
22 Au 58 53 7.03      
23 Bg 3260 2952 0.00      
24 Bg 3196 2894 0.00      
25 Bg 1442 1306 0.00      
26 Bg 1362 1233 0.00      
27 Bg 1133 1026 0.00      
28 Bg 834 756 0.00      
29 Bg 204 185 0.00      
30 Bg 142 129 0.00      
31 Bu 3208 2905 69.73      
32 Bu 3172 2872 24.85      
33 Bu 2865 2594 14.30      
34 Bu 1629 1475 3.26      
35 Bu 1610 1458 4.45      
36 Bu 1477 1338 40.43      
37 Bu 1340 1213 39.05      
38 Bu 1113 1008 1.16      
39 Bu 969 877 4.86      
40 Bu 779 705 8.26      
41 Bu 418 378 5.43      
42 Bu 108 98 3.77      

Unscaled Zero Point Vibrational Energy (zpe) 30759.0 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 27852.3 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 HF/6-31G(2df,p)
ABC
0.48627 0.01874 0.01829

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.345 3.158 0.000
S2 -1.345 -3.158 0.000
C3 1.417 1.336 0.000
C4 -1.417 -1.336 0.000
C5 0.000 0.765 0.000
C6 0.000 -0.765 0.000
H7 2.651 3.394 0.000
H8 -2.651 -3.394 0.000
H9 -0.535 1.132 0.873
H10 -0.535 1.132 -0.873
H11 0.535 -1.132 0.873
H12 0.535 -1.132 -0.873
H13 -1.956 -1.005 -0.879
H14 -1.956 -1.005 0.879
H15 1.956 1.005 -0.879
H16 1.956 1.005 0.879

Atom - Atom Distances (Å)
  S1 S2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
S16.86511.82385.27462.74484.14761.32737.67492.89832.89834.45224.45225.38465.38462.40482.4048
S26.86515.27461.82384.14762.74487.67491.32734.45224.45222.89832.89832.40482.40485.38465.3846
C31.82385.27463.89431.52732.53412.40036.23872.14742.14742.76212.76214.19794.19791.08281.0828
C45.27461.82383.89432.53411.52736.23872.40032.76212.76212.14742.14741.08281.08284.19794.1979
C52.74484.14761.52732.53411.53073.73364.93271.08731.08732.15572.15572.78022.78022.15732.1573
C64.14762.74482.53411.52731.53074.93273.73362.15572.15571.08731.08732.15732.15732.78022.7802
H71.32737.67492.40036.23873.73364.93278.61404.00374.00375.07235.07236.43006.43002.63962.6396
H87.67491.32736.23872.40034.93273.73368.61405.07235.07234.00374.00372.63962.63966.43006.4300
H92.89834.45222.14742.76211.08732.15574.00375.07231.74602.50333.05213.10702.56593.04732.4933
H102.89834.45222.14742.76211.08732.15574.00375.07231.74603.05212.50332.56593.10702.49333.0473
H114.45222.89832.76212.14742.15571.08735.07234.00372.50333.05211.74603.04732.49333.10702.5659
H124.45222.89832.76212.14742.15571.08735.07234.00373.05212.50331.74602.49333.04732.56593.1070
H135.38462.40484.19791.08282.78022.15736.43002.63963.10702.56593.04732.49331.75804.39704.7354
H145.38462.40484.19791.08282.78022.15736.43002.63962.56593.10702.49333.04731.75804.73544.3970
H152.40485.38461.08284.19792.15732.78022.63966.43003.04732.49333.10702.56594.39704.73541.7580
H162.40485.38461.08284.19792.15732.78022.63966.43002.49333.04732.56593.10704.73544.39701.7580

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 109.673 S1 C3 H15 108.973
S1 C3 H16 108.973 S2 C4 C6 109.673
S2 C4 H13 108.973 S2 C4 H14 108.973
C3 S1 H7 97.998 C3 C5 C6 111.929
C3 C5 H9 109.279 C3 C5 H10 109.279
C4 S2 H8 97.998 C4 C6 C5 111.929
C4 C6 H11 109.279 C4 C6 H12 109.279
C5 C3 H15 110.325 C5 C3 H16 110.325
C5 C6 H11 109.696 C5 C6 H12 109.696
C6 C4 H13 110.325 C6 C4 H14 110.325
C6 C5 H9 109.696 C6 C5 H10 109.696
H9 C5 H10 106.827 H11 C6 H12 106.827
H13 C4 H14 108.537 H15 C3 H16 108.537
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.239      
2 S -0.239      
3 C -0.268      
4 C -0.268      
5 C -0.253      
6 C -0.253      
7 H 0.159      
8 H 0.159      
9 H 0.144      
10 H 0.144      
11 H 0.144      
12 H 0.144      
13 H 0.157      
14 H 0.157      
15 H 0.157      
16 H 0.157      


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 -45.410 2.765 0.000
y 2.765 -67.491 0.000
z 0.000 0.000 -56.174
Traceless
 xyz
x 16.423 2.765 0.000
y 2.765 -16.699 0.000
z 0.000 0.000 0.276
Polar
3z2-r20.552
x2-y222.081
xy2.765
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.840 2.094 0.000
y 2.094 14.503 0.000
z 0.000 0.000 8.991


<r2> (average value of r2) Å2
<r2> 533.606
(<r2>)1/2 23.100