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

using model chemistry: PBEPBE/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 PBEPBE/3-21G
 hartrees
Energy at 0K-949.429608
Energy at 298.15K-949.440046
Nuclear repulsion energy328.261894
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 PBEPBE/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 3020 2993 0.00      
2 Ag 2982 2955 0.00      
3 Ag 2403 2381 0.00      
4 Ag 1498 1484 0.00      
5 Ag 1484 1471 0.00      
6 Ag 1352 1340 0.00      
7 Ag 1257 1245 0.00      
8 Ag 1069 1059 0.00      
9 Ag 1016 1006 0.00      
10 Ag 797 790 0.00      
11 Ag 703 696 0.00      
12 Ag 324 321 0.00      
13 Ag 197 195 0.00      
14 Au 3091 3063 31.61      
15 Au 3042 3014 9.02      
16 Au 1322 1310 1.67      
17 Au 1105 1095 1.99      
18 Au 871 863 2.77      
19 Au 745 738 9.49      
20 Au 186 184 58.56      
21 Au 108 107 10.24      
22 Au 54 53 5.41      
23 Bg 3087 3058 0.00      
24 Bg 3019 2991 0.00      
25 Bg 1331 1318 0.00      
26 Bg 1251 1240 0.00      
27 Bg 1018 1008 0.00      
28 Bg 772 765 0.00      
29 Bg 184 182 0.00      
30 Bg 134 133 0.00      
31 Bu 3022 2994 38.45      
32 Bu 2991 2964 9.92      
33 Bu 2403 2381 78.59      
34 Bu 1512 1498 10.44      
35 Bu 1481 1467 5.76      
36 Bu 1324 1312 54.12      
37 Bu 1222 1211 28.07      
38 Bu 1019 1010 6.20      
39 Bu 825 818 5.98      
40 Bu 670 664 7.65      
41 Bu 374 370 11.81      
42 Bu 95 94 5.06      

Unscaled Zero Point Vibrational Energy (zpe) 28177.6 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 27921.1 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 PBEPBE/3-21G
ABC
0.45378 0.01810 0.01764

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.499 3.166 0.000
S2 -1.499 -3.166 0.000
C3 1.499 1.248 0.000
C4 -1.499 -1.248 0.000
C5 0.037 0.774 0.000
C6 -0.037 -0.774 0.000
H7 2.879 3.313 0.000
H8 -2.879 -3.313 0.000
H9 -0.478 1.172 0.894
H10 -0.478 1.172 -0.894
H11 0.478 -1.172 0.894
H12 0.478 -1.172 -0.894
H13 -2.025 -0.903 -0.904
H14 -2.025 -0.903 0.904
H15 2.025 0.903 -0.904
H16 2.025 0.903 0.904

Atom - Atom Distances (Å)
  S1 S2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
S17.00611.91805.33622.80314.22931.38717.81942.94702.94704.54544.54545.45855.45852.49332.4933
S27.00615.33621.91804.22932.80317.81941.38714.54544.54542.94702.94702.49332.49335.45855.4585
C31.91805.33623.90161.53692.53992.48336.32222.17122.17122.77482.77484.22694.22691.10151.1015
C45.33621.91803.90162.53991.53696.32222.48332.77482.77482.17122.17121.10151.10154.22694.2269
C52.80314.22931.53692.53991.55033.81035.02081.10601.10602.18662.18662.80792.80792.18782.1878
C64.22932.80312.53991.53691.55035.02083.81032.18662.18661.10601.10602.18782.18782.80792.8079
H71.38717.81942.48336.32223.81035.02088.77794.08034.08035.16525.16526.52996.52992.71212.7121
H87.81941.38716.32222.48335.02083.81038.77795.16525.16524.08034.08032.71212.71216.52996.5299
H92.94704.54542.17122.77481.10602.18664.08035.16521.78902.53093.09933.15202.58843.09392.5174
H102.94704.54542.17122.77481.10602.18664.08035.16521.78903.09932.53092.58843.15202.51743.0939
H114.54542.94702.77482.17122.18661.10605.16524.08032.53093.09931.78903.09392.51743.15202.5884
H124.54542.94702.77482.17122.18661.10605.16524.08033.09932.53091.78902.51743.09392.58843.1520
H135.45852.49334.22691.10152.80792.18786.52992.71213.15202.58843.09392.51741.80844.43484.7894
H145.45852.49334.22691.10152.80792.18786.52992.71212.58843.15202.51743.09391.80844.78944.4348
H152.49335.45851.10154.22692.18782.80792.71216.52993.09392.51743.15202.58844.43484.78941.8084
H162.49335.45851.10154.22692.18782.80792.71216.52992.51743.09392.58843.15204.78944.43481.8084

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 107.949 S1 C3 H15 108.266
S1 C3 H16 108.266 S2 C4 C6 107.949
S2 C4 H13 108.266 S2 C4 H14 108.266
C3 S1 H7 96.086 C3 C5 C6 110.710
C3 C5 H9 109.394 C3 C5 H10 109.394
C4 S2 H8 96.086 C4 C6 C5 110.710
C4 C6 H11 109.394 C4 C6 H12 109.394
C5 C3 H15 110.955 C5 C3 H16 110.955
C5 C6 H11 109.673 C5 C6 H12 109.673
C6 C4 H13 110.955 C6 C4 H14 110.955
C6 C5 H9 109.673 C6 C5 H10 109.673
H9 C5 H10 107.947 H11 C6 H12 107.947
H13 C4 H14 110.340 H15 C3 H16 110.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.004      
2 S -0.004      
3 C -0.630      
4 C -0.630      
5 C -0.400      
6 C -0.400      
7 H 0.089      
8 H 0.089      
9 H 0.227      
10 H 0.227      
11 H 0.227      
12 H 0.227      
13 H 0.245      
14 H 0.245      
15 H 0.245      
16 H 0.245      


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 -43.671 3.122 0.000
y 3.122 -69.368 0.000
z 0.000 0.000 -56.304
Traceless
 xyz
x 19.165 3.122 0.000
y 3.122 -19.381 0.000
z 0.000 0.000 0.215
Polar
3z2-r20.431
x2-y225.697
xy3.122
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.135 2.780 0.000
y 2.780 14.464 0.000
z 0.000 0.000 7.039


<r2> (average value of r2) Å2
<r2> 551.882
(<r2>)1/2 23.492