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

using model chemistry: B1B95/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-954.792945
Energy at 298.15K-954.803760
Nuclear repulsion energy335.793218
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 B1B95/6-31G**
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 3082 2943 0.00      
2 Ag 3054 2916 0.00      
3 Ag 2734 2611 0.00      
4 Ag 1498 1430 0.00      
5 Ag 1495 1428 0.00      
6 Ag 1406 1343 0.00      
7 Ag 1281 1223 0.00      
8 Ag 1119 1068 0.00      
9 Ag 1072 1024 0.00      
10 Ag 861 822 0.00      
11 Ag 778 743 0.00      
12 Ag 330 315 0.00      
13 Ag 202 193 0.00      
14 Au 3147 3004 42.88      
15 Au 3112 2972 11.71      
16 Au 1320 1260 1.41      
17 Au 1112 1062 3.85      
18 Au 894 854 2.24      
19 Au 746 712 4.77      
20 Au 259 248 48.08      
21 Au 112 107 3.66      
22 Au 54 52 4.41      
23 Bg 3143 3001 0.00      
24 Bg 3094 2954 0.00      
25 Bg 1333 1273 0.00      
26 Bg 1258 1201 0.00      
27 Bg 1048 1001 0.00      
28 Bg 781 746 0.00      
29 Bg 256 245 0.00      
30 Bg 137 131 0.00      
31 Bu 3084 2945 61.64      
32 Bu 3062 2923 14.58      
33 Bu 2734 2611 28.85      
34 Bu 1513 1445 3.97      
35 Bu 1492 1424 3.70      
36 Bu 1352 1291 47.44      
37 Bu 1232 1176 28.78      
38 Bu 1066 1018 0.52      
39 Bu 894 853 3.72      
40 Bu 740 707 4.72      
41 Bu 383 366 5.41      
42 Bu 96 92 3.92      

Unscaled Zero Point Vibrational Energy (zpe) 29183.8 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 27864.7 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 B1B95/6-31G**
ABC
0.47990 0.01885 0.01839

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.473 3.091 0.000
S2 -1.473 -3.091 0.000
C3 1.473 1.263 0.000
C4 -1.473 -1.263 0.000
C5 0.036 0.762 0.000
C6 -0.036 -0.762 0.000
H7 2.806 3.253 0.000
H8 -2.806 -3.253 0.000
H9 -0.486 1.157 0.879
H10 -0.486 1.157 -0.879
H11 0.486 -1.157 0.879
H12 0.486 -1.157 -0.879
H13 -1.998 -0.900 -0.886
H14 -1.998 -0.900 0.886
H15 1.998 0.900 -0.886
H16 1.998 0.900 0.886

Atom - Atom Distances (Å)
  S1 S2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
S16.84711.82745.25652.73624.13751.34307.65162.88952.88954.44804.44805.36295.36292.42052.4205
S26.84715.25651.82744.13752.73627.65161.34304.44804.44802.88952.88952.42052.42055.36295.3629
C31.82745.25653.88041.52192.52522.39516.22102.14952.14952.75702.75704.18504.18501.09241.0924
C45.25651.82743.88042.52521.52196.22102.39512.75702.75702.14952.14951.09241.09244.18504.1850
C52.73624.13751.52192.52521.52603.72544.91881.09541.09542.15812.15812.77232.77232.15802.1580
C64.13752.73622.52521.52191.52604.91883.72542.15812.15811.09541.09542.15802.15802.77232.7723
H71.34307.65162.39516.22103.72544.91888.59184.00054.00055.05945.05946.41216.41212.64052.6405
H87.65161.34306.22102.39514.91883.72548.59185.05945.05944.00054.00052.64052.64056.41216.4121
H92.88954.44802.14952.75701.09542.15814.00055.05941.75742.50953.06373.10362.55303.05842.4978
H102.88954.44802.14952.75701.09542.15814.00055.05941.75743.06372.50952.55303.10362.49783.0584
H114.44802.88952.75702.14952.15811.09545.05944.00052.50953.06371.75743.05842.49783.10362.5530
H124.44802.88952.75702.14952.15811.09545.05944.00053.06372.50951.75742.49783.05842.55303.1036
H135.36292.42054.18501.09242.77232.15806.41212.64053.10362.55303.05842.49781.77224.38364.7283
H145.36292.42054.18501.09242.77232.15806.41212.64052.55303.10362.49783.05841.77224.72834.3836
H152.42055.36291.09244.18502.15802.77232.64056.41213.05842.49783.10362.55304.38364.72831.7722
H162.42055.36291.09244.18502.15802.77232.64056.41212.49783.05842.55303.10364.72834.38361.7722

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 109.225 S1 C3 H15 109.402
S1 C3 H16 109.402 S2 C4 C6 109.225
S2 C4 H13 109.402 S2 C4 H14 109.402
C3 S1 H7 96.945 C3 C5 C6 111.892
C3 C5 H9 109.339 C3 C5 H10 109.339
C4 S2 H8 96.945 C4 C6 C5 111.892
C4 C6 H11 109.339 C4 C6 H12 109.339
C5 C3 H15 110.187 C5 C3 H16 110.187
C5 C6 H11 109.731 C5 C6 H12 109.731
C6 C4 H13 110.187 C6 C4 H14 110.187
C6 C5 H9 109.731 C6 C5 H10 109.731
H9 C5 H10 106.667 H11 C6 H12 106.667
H13 C4 H14 108.419 H15 C3 H16 108.419
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.046      
2 S -0.046      
3 C -0.379      
4 C -0.379      
5 C -0.233      
6 C -0.233      
7 H 0.069      
8 H 0.069      
9 H 0.138      
10 H 0.138      
11 H 0.138      
12 H 0.138      
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 -43.973 2.525 0.000
y 2.525 -65.857 0.000
z 0.000 0.000 -55.438
Traceless
 xyz
x 16.674 2.525 0.000
y 2.525 -16.152 0.000
z 0.000 0.000 -0.523
Polar
3z2-r2-1.045
x2-y221.884
xy2.525
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.065 2.412 0.000
y 2.412 14.238 0.000
z 0.000 0.000 8.342


<r2> (average value of r2) Å2
<r2> 530.280
(<r2>)1/2 23.028