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

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-944.137199
Energy at 298.15K-944.147723
Nuclear repulsion energy332.780999
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 B1B95/STO-3G
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 3360 2967 0.00      
2 Ag 3330 2940 0.00      
3 Ag 3004 2653 0.00      
4 Ag 1684 1487 0.00      
5 Ag 1666 1471 0.00      
6 Ag 1546 1366 0.00      
7 Ag 1409 1244 0.00      
8 Ag 1207 1066 0.00      
9 Ag 1155 1020 0.00      
10 Ag 988 872 0.00      
11 Ag 913 806 0.00      
12 Ag 344 304 0.00      
13 Ag 213 188 0.00      
14 Au 3482 3074 7.14      
15 Au 3438 3036 9.27      
16 Au 1421 1254 0.24      
17 Au 1210 1068 0.01      
18 Au 966 853 0.05      
19 Au 784 692 7.06      
20 Au 219 194 24.86      
21 Au 112 99 3.78      
22 Au 58 51 0.96      
23 Bg 3467 3061 0.00      
24 Bg 3437 3035 0.00      
25 Bg 1433 1265 0.00      
26 Bg 1369 1209 0.00      
27 Bg 1135 1003 0.00      
28 Bg 837 739 0.00      
29 Bg 216 190 0.00      
30 Bg 134 118 0.00      
31 Bu 3368 2974 6.41      
32 Bu 3329 2940 7.94      
33 Bu 3004 2653 43.88      
34 Bu 1693 1495 2.51      
35 Bu 1674 1478 1.94      
36 Bu 1487 1313 15.49      
37 Bu 1345 1187 24.73      
38 Bu 1156 1021 2.73      
39 Bu 1028 908 6.27      
40 Bu 865 763 1.06      
41 Bu 407 359 2.94      
42 Bu 98 86 1.47      

Unscaled Zero Point Vibrational Energy (zpe) 31993.4 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 28250.2 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 B1B95/STO-3G
ABC
0.47598 0.01843 0.01798

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.475 3.133 0.000
S2 -1.475 -3.133 0.000
C3 1.475 1.310 0.000
C4 -1.475 -1.310 0.000
C5 0.022 0.775 0.000
C6 -0.022 -0.775 0.000
H7 2.828 3.227 0.000
H8 -2.828 -3.227 0.000
H9 -0.510 1.154 0.887
H10 -0.510 1.154 -0.887
H11 0.510 -1.154 0.887
H12 0.510 -1.154 -0.887
H13 -2.000 -0.919 -0.887
H14 -2.000 -0.919 0.887
H15 2.000 0.919 -0.887
H16 2.000 0.919 0.887

Atom - Atom Distances (Å)
  S1 S2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
S16.92521.82245.33312.77004.18411.35677.67902.93932.93934.48304.48305.41135.41132.44192.4419
S26.92525.33311.82244.18412.77007.67901.35674.48304.48302.93932.93932.44192.44195.41135.4113
C31.82245.33313.94561.54862.56632.34656.25342.17922.17922.79142.79144.22294.22291.10281.1028
C45.33311.82243.94562.56631.54866.25342.34652.79142.79142.17922.17921.10281.10284.22294.2229
C52.77004.18411.54862.56631.54973.72724.91291.10131.10132.17832.17832.78282.78282.17312.1731
C64.18412.77002.56631.54861.54974.91293.72722.17832.17831.10131.10132.17312.17312.78282.7828
H71.35677.67902.34656.25343.72724.91298.58234.02814.02815.03575.03576.42606.42602.60762.6076
H87.67901.35676.25342.34654.91293.72728.58235.03575.03574.02814.02812.60762.60766.42606.4260
H92.93934.48302.17922.79141.10132.17834.02815.03571.77322.52393.08453.10922.55363.08252.5211
H102.93934.48302.17922.79141.10132.17834.02815.03571.77323.08452.52392.55363.10922.52113.0825
H114.48302.93932.79142.17922.17831.10135.03574.02812.52393.08451.77323.08252.52113.10922.5536
H124.48302.93932.79142.17922.17831.10135.03574.02813.08452.52391.77322.52113.08252.55363.1092
H135.41132.44194.22291.10282.78282.17316.42602.60763.10922.55363.08252.52111.77434.40264.7467
H145.41132.44194.22291.10282.78282.17316.42602.60762.55363.10922.52113.08251.77434.74674.4026
H152.44195.41131.10284.22292.17312.78282.60766.42603.08252.52113.10922.55364.40264.74671.7743
H162.44195.41131.10284.22292.17312.78282.60766.42602.52113.08252.55363.10924.74674.40261.7743

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 110.248 S1 C3 H15 110.771
S1 C3 H16 110.771 S2 C4 C6 110.248
S2 C4 H13 110.771 S2 C4 H14 110.771
C3 S1 H7 93.994 C3 C5 C6 111.850
C3 C5 H9 109.485 C3 C5 H10 109.485
C4 S2 H8 93.994 C4 C6 C5 111.850
C4 C6 H11 109.485 C4 C6 H12 109.485
C5 C3 H15 108.926 C5 C3 H16 108.926
C5 C6 H11 109.341 C5 C6 H12 109.341
C6 C4 H13 108.926 C6 C4 H14 108.926
C6 C5 H9 109.341 C6 C5 H10 109.341
H9 C5 H10 107.226 H11 C6 H12 107.226
H13 C4 H14 107.115 H15 C3 H16 107.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.077      
2 S 0.077      
3 C -0.218      
4 C -0.218      
5 C -0.138      
6 C -0.138      
7 H -0.018      
8 H -0.018      
9 H 0.075      
10 H 0.075      
11 H 0.075      
12 H 0.075      
13 H 0.074      
14 H 0.074      
15 H 0.074      
16 H 0.074      


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 -42.095 2.432 0.000
y 2.432 -55.161 0.000
z 0.000 0.000 -48.793
Traceless
 xyz
x 9.882 2.432 0.000
y 2.432 -9.717 0.000
z 0.000 0.000 -0.165
Polar
3z2-r2-0.331
x2-y213.066
xy2.432
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.867 1.411 0.000
y 1.411 7.096 0.000
z 0.000 0.000 3.231


<r2> (average value of r2) Å2
<r2> 536.856
(<r2>)1/2 23.170