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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-950.009053
Energy at 298.15K-950.019693
Nuclear repulsion energy330.922699
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 mPW1PW91/3-21G
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 3117 2976 0.00      
2 Ag 3077 2938 0.00      
3 Ag 2508 2394 0.00      
4 Ag 1549 1478 0.00      
5 Ag 1533 1464 0.00      
6 Ag 1412 1348 0.00      
7 Ag 1310 1251 0.00      
8 Ag 1110 1060 0.00      
9 Ag 1060 1012 0.00      
10 Ag 844 805 0.00      
11 Ag 736 703 0.00      
12 Ag 337 322 0.00      
13 Ag 208 198 0.00      
14 Au 3189 3044 24.51      
15 Au 3138 2996 9.53      
16 Au 1371 1309 1.53      
17 Au 1154 1101 1.75      
18 Au 906 864 2.51      
19 Au 767 733 9.80      
20 Au 183 175 59.88      
21 Au 109 104 14.78      
22 Au 53 50 6.45      
23 Bg 3185 3040 0.00      
24 Bg 3115 2974 0.00      
25 Bg 1383 1321 0.00      
26 Bg 1297 1238 0.00      
27 Bg 1059 1011 0.00      
28 Bg 798 762 0.00      
29 Bg 180 172 0.00      
30 Bg 138 131 0.00      
31 Bu 3119 2977 33.94      
32 Bu 3086 2946 10.14      
33 Bu 2508 2394 70.49      
34 Bu 1560 1489 13.46      
35 Bu 1531 1461 7.94      
36 Bu 1380 1318 53.97      
37 Bu 1277 1219 27.89      
38 Bu 1058 1010 4.64      
39 Bu 873 834 8.12      
40 Bu 700 668 7.52      
41 Bu 391 374 11.90      
42 Bu 102 97 5.21      

Unscaled Zero Point Vibrational Energy (zpe) 29205.7 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 27879.8 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 mPW1PW91/3-21G
ABC
0.46311 0.01837 0.01791

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.343 3.207 0.000
S2 -1.343 -3.207 0.000
C3 1.429 1.310 0.000
C4 -1.429 -1.310 0.000
C5 0.000 0.770 0.000
C6 0.000 -0.770 0.000
H7 2.696 3.428 0.000
H8 -2.696 -3.428 0.000
H9 -0.529 1.139 0.886
H10 -0.529 1.139 -0.886
H11 0.529 -1.139 0.886
H12 0.529 -1.139 -0.886
H13 -1.966 -0.992 -0.895
H14 -1.966 -0.992 0.895
H15 1.966 0.992 -0.895
H16 1.966 0.992 0.895

Atom - Atom Distances (Å)
  S1 S2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
S16.95271.89805.29942.78234.19691.37127.76752.92622.92624.50934.50935.41965.41962.46882.4688
S26.95275.29941.89804.19692.78237.76751.37124.50934.50932.92622.92622.46882.46885.41965.4196
C31.89805.29943.87711.52742.52352.46826.28242.15562.15562.75612.75614.19794.19791.09171.0917
C45.29941.89803.87712.52351.52746.28242.46822.75612.75612.15562.15561.09171.09174.19794.1979
C52.78234.19691.52742.52351.53953.78644.98921.09631.09632.17022.17022.78712.78712.17132.1713
C64.19692.78232.52351.52741.53954.98923.78642.17022.17021.09631.09632.17132.17132.78712.7871
H71.37127.76752.46826.28243.78644.98928.72294.05294.05295.13275.13276.48616.48612.69682.6968
H87.76751.37126.28242.46824.98923.78648.72295.13275.13274.05294.05292.69682.69686.48616.4861
H92.92624.50932.15562.75611.09632.17024.05295.13271.77252.51223.07453.12712.57003.06902.4990
H102.92624.50932.15562.75611.09632.17024.05295.13271.77253.07452.51222.57003.12712.49903.0690
H114.50932.92622.75612.15562.17021.09635.13274.05292.51223.07451.77253.06902.49903.12712.5700
H124.50932.92622.75612.15562.17021.09635.13274.05293.07452.51221.77252.49903.06902.57003.1271
H135.41962.46884.19791.09172.78712.17136.48612.69683.12712.57003.06902.49901.79064.40334.7535
H145.41962.46884.19791.09172.78712.17136.48612.69682.57003.12712.49903.06901.79064.75354.4033
H152.46885.41961.09174.19792.17132.78712.69686.48613.06902.49903.12712.57004.40334.75351.7906
H162.46885.41961.09174.19792.17132.78712.69686.48612.49903.06902.57003.12714.75354.40331.7906

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 108.144 S1 C3 H15 108.298
S1 C3 H16 108.298 S2 C4 C6 108.144
S2 C4 H13 108.298 S2 C4 H14 108.298
C3 S1 H7 96.724 C3 C5 C6 110.732
C3 C5 H9 109.387 C3 C5 H10 109.387
C4 S2 H8 96.724 C4 C6 C5 110.732
C4 C6 H11 109.387 C4 C6 H12 109.387
C5 C3 H15 110.904 C5 C3 H16 110.904
C5 C6 H11 109.699 C5 C6 H12 109.699
C6 C4 H13 110.904 C6 C4 H14 110.904
C6 C5 H9 109.699 C6 C5 H10 109.699
H9 C5 H10 107.885 H11 C6 H12 107.885
H13 C4 H14 110.194 H15 C3 H16 110.194
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.008      
2 S 0.008      
3 C -0.670      
4 C -0.670      
5 C -0.427      
6 C -0.427      
7 H 0.090      
8 H 0.090      
9 H 0.241      
10 H 0.241      
11 H 0.241      
12 H 0.241      
13 H 0.259      
14 H 0.259      
15 H 0.259      
16 H 0.259      


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 -43.830 4.486 0.000
y 4.486 -69.291 0.000
z 0.000 0.000 -56.153
Traceless
 xyz
x 18.892 4.486 0.000
y 4.486 -19.300 0.000
z 0.000 0.000 0.407
Polar
3z2-r20.815
x2-y225.461
xy4.486
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 544.258
(<r2>)1/2 23.329