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

using model chemistry: B3LYP/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 B3LYP/STO-3G
 hartrees
Energy at 0K-944.121674
Energy at 298.15K-944.132126
Nuclear repulsion energy330.429743
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 B3LYP/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 3332 2974 0.00      
2 Ag 3302 2947 0.00      
3 Ag 2956 2638 0.00      
4 Ag 1685 1504 0.00      
5 Ag 1667 1488 0.00      
6 Ag 1539 1373 0.00      
7 Ag 1412 1260 0.00      
8 Ag 1197 1068 0.00      
9 Ag 1133 1011 0.00      
10 Ag 989 883 0.00      
11 Ag 898 801 0.00      
12 Ag 346 309 0.00      
13 Ag 214 191 0.00      
14 Au 3452 3081 10.92      
15 Au 3408 3042 11.77      
16 Au 1422 1269 0.21      
17 Au 1209 1079 0.00      
18 Au 966 862 0.04      
19 Au 784 699 6.30      
20 Au 200 178 20.29      
21 Au 107 96 4.10      
22 Au 53 47 0.99      
23 Bg 3437 3067 0.00      
24 Bg 3408 3041 0.00      
25 Bg 1434 1280 0.00      
26 Bg 1368 1221 0.00      
27 Bg 1133 1011 0.00      
28 Bg 837 747 0.00      
29 Bg 195 174 0.00      
30 Bg 131 117 0.00      
31 Bu 3341 2981 8.68      
32 Bu 3302 2947 9.50      
33 Bu 2956 2638 55.56      
34 Bu 1695 1513 1.65      
35 Bu 1675 1495 1.97      
36 Bu 1486 1326 14.25      
37 Bu 1348 1203 32.30      
38 Bu 1144 1021 4.32      
39 Bu 1028 918 5.61      
40 Bu 851 759 0.76      
41 Bu 408 364 2.53      
42 Bu 104 93 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 31776.1 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 28357.0 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 B3LYP/STO-3G
ABC
0.47060 0.01814 0.01770

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.486 3.158 0.000
S2 -1.486 -3.158 0.000
C3 1.486 1.321 0.000
C4 -1.486 -1.321 0.000
C5 0.022 0.781 0.000
C6 -0.022 -0.781 0.000
H7 2.845 3.251 0.000
H8 -2.845 -3.251 0.000
H9 -0.510 1.161 0.889
H10 -0.510 1.161 -0.889
H11 0.510 -1.161 0.889
H12 0.510 -1.161 -0.889
H13 -2.014 -0.931 -0.890
H14 -2.014 -0.931 0.890
H15 2.014 0.931 -0.890
H16 2.014 0.931 0.890

Atom - Atom Distances (Å)
  S1 S2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
S16.98081.83765.37532.79224.21771.36227.73572.96052.96054.51664.51665.45545.45542.45592.4559
S26.98085.37531.83764.21772.79227.73571.36224.51664.51662.96052.96052.45592.45595.45545.4554
C31.83765.37533.97611.56022.58652.36116.29772.19112.19112.81112.81114.25544.25541.10551.1055
C45.37531.83763.97612.58651.56026.29772.36112.81112.81112.19112.19111.10551.10554.25544.2554
C52.79224.21771.56022.58651.56173.75144.94751.10421.10422.19062.19062.80462.80462.18632.1863
C64.21772.79222.58651.56021.56174.94753.75142.19062.19061.10421.10422.18632.18632.80462.8046
H71.36227.73572.36116.29773.75144.94758.64084.05184.05185.07075.07076.47226.47222.62062.6206
H87.73571.36226.29772.36114.94753.75148.64085.07075.07074.05184.05182.62062.62066.47226.4722
H92.96054.51662.19112.81111.10422.19064.05185.07071.77882.53623.09793.13102.57623.09642.5340
H102.96054.51662.19112.81111.10422.19064.05185.07071.77883.09792.53622.57623.13102.53403.0964
H114.51662.96052.81112.19112.19061.10425.07074.05182.53623.09791.77883.09642.53403.13102.5762
H124.51662.96052.81112.19112.19061.10425.07074.05183.09792.53621.77882.53403.09642.57623.1310
H135.45542.45594.25541.10552.80462.18636.47222.62063.13102.57623.09642.53401.78004.43674.7804
H145.45542.45594.25541.10552.80462.18636.47222.62062.57623.13102.53403.09641.78004.78044.4367
H152.45595.45541.10554.25542.18632.80462.62066.47223.09642.53403.13102.57624.43674.78041.7800
H162.45595.45541.10554.25542.18632.80462.62066.47222.53403.09642.57623.13104.78044.43671.7800

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 110.253 S1 C3 H15 110.639
S1 C3 H16 110.639 S2 C4 C6 110.253
S2 C4 H13 110.639 S2 C4 H14 110.639
C3 S1 H7 93.918 C3 C5 C6 111.887
C3 C5 H9 109.451 C3 C5 H10 109.451
C4 S2 H8 93.918 C4 C6 C5 111.887
C4 C6 H11 109.451 C4 C6 H12 109.451
C5 C3 H15 109.003 C5 C3 H16 109.003
C5 C6 H11 109.312 C5 C6 H12 109.312
C6 C4 H13 109.003 C6 C4 H14 109.003
C6 C5 H9 109.312 C6 C5 H10 109.312
H9 C5 H10 107.318 H11 C6 H12 107.318
H13 C4 H14 107.229 H15 C3 H16 107.229
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.089      
2 S 0.089      
3 C -0.213      
4 C -0.213      
5 C -0.131      
6 C -0.131      
7 H -0.027      
8 H -0.027      
9 H 0.071      
10 H 0.071      
11 H 0.071      
12 H 0.071      
13 H 0.070      
14 H 0.070      
15 H 0.070      
16 H 0.070      


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 -42.591 2.261 0.000
y 2.261 -54.698 0.000
z 0.000 0.000 -48.900
Traceless
 xyz
x 9.208 2.261 0.000
y 2.261 -8.952 0.000
z 0.000 0.000 -0.256
Polar
3z2-r2-0.511
x2-y212.107
xy2.261
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.001 1.498 0.000
y 1.498 7.349 0.000
z 0.000 0.000 3.270


<r2> (average value of r2) Å2
<r2> 544.819
(<r2>)1/2 23.341