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

using model chemistry: B3LYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-954.846096
Energy at 298.15K-954.856628
Nuclear repulsion energy332.988318
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/6-31+G**
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 3061 2951 0.00      
2 Ag 3028 2920 0.00      
3 Ag 2688 2592 0.00      
4 Ag 1500 1446 0.00      
5 Ag 1496 1442 0.00      
6 Ag 1404 1354 0.00      
7 Ag 1287 1241 0.00      
8 Ag 1105 1066 0.00      
9 Ag 1051 1013 0.00      
10 Ag 858 828 0.00      
11 Ag 750 723 0.00      
12 Ag 334 322 0.00      
13 Ag 206 198 0.00      
14 Au 3119 3007 38.27      
15 Au 3078 2968 17.82      
16 Au 1323 1275 1.30      
17 Au 1111 1072 4.52      
18 Au 900 868 2.27      
19 Au 749 722 3.66      
20 Au 170 164 30.57      
21 Au 96 93 11.49      
22 Au 53 51 6.79      
23 Bg 3115 3004 0.00      
24 Bg 3060 2950 0.00      
25 Bg 1339 1291 0.00      
26 Bg 1258 1213 0.00      
27 Bg 1047 1010 0.00      
28 Bg 786 758 0.00      
29 Bg 170 163 0.00      
30 Bg 132 128 0.00      
31 Bu 3063 2953 65.67      
32 Bu 3035 2926 20.63      
33 Bu 2688 2592 30.20      
34 Bu 1516 1461 5.11      
35 Bu 1492 1439 3.51      
36 Bu 1357 1308 48.44      
37 Bu 1243 1198 37.55      
38 Bu 1049 1011 0.90      
39 Bu 889 857 4.17      
40 Bu 716 690 4.83      
41 Bu 388 374 6.21      
42 Bu 101 98 3.88      

Unscaled Zero Point Vibrational Energy (zpe) 28903.5 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 27868.8 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 B3LYP/6-31+G**
ABC
0.47684 0.01848 0.01803

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.339 3.191 0.000
S2 -1.339 -3.191 0.000
C3 1.418 1.343 0.000
C4 -1.418 -1.343 0.000
C5 0.000 0.769 0.000
C6 0.000 -0.769 0.000
H7 2.669 3.410 0.000
H8 -2.669 -3.410 0.000
H9 -0.541 1.137 0.881
H10 -0.541 1.137 -0.881
H11 0.541 -1.137 0.881
H12 0.541 -1.137 -0.881
H13 -1.964 -1.010 -0.888
H14 -1.964 -1.010 0.888
H15 1.964 1.010 -0.888
H16 1.964 1.010 0.888

Atom - Atom Distances (Å)
  S1 S2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
S16.92041.84975.30592.76764.17941.34827.72242.92022.92024.48814.48815.41695.41692.43582.4358
S26.92045.30591.84974.17942.76767.72241.34824.48814.48812.92022.92022.43582.43585.41695.4169
C31.84975.30593.90601.53022.54332.41646.26872.15832.15832.77402.77404.21454.21451.09391.0939
C45.30591.84973.90602.54331.53026.26872.41642.77402.77402.15832.15831.09391.09394.21454.2145
C52.76764.17941.53022.54331.53703.75544.95841.09771.09772.16822.16822.79432.79432.16862.1686
C64.17942.76762.54331.53021.53704.95843.75542.16822.16821.09771.09772.16862.16862.79432.7943
H71.34827.72242.41646.26873.75544.95848.66114.03104.03105.09745.09746.46456.46452.65452.6545
H87.72241.34826.26872.41644.95843.75548.66115.09745.09744.03104.03102.65452.65456.46456.4645
H92.92024.48812.15832.77401.09772.16824.03105.09741.76192.51903.07403.12492.57583.06922.5080
H102.92024.48812.15832.77401.09772.16824.03105.09741.76193.07402.51902.57583.12492.50803.0692
H114.48812.92022.77402.15832.16821.09775.09744.03102.51903.07401.76193.06922.50803.12492.5758
H124.48812.92022.77402.15832.16821.09775.09744.03103.07402.51901.76192.50803.06922.57583.1249
H135.41692.43584.21451.09392.79432.16866.46452.65453.12492.57583.06922.50801.77654.41634.7602
H145.41692.43584.21451.09392.79432.16866.46452.65452.57583.12492.50803.06921.77654.76024.4163
H152.43585.41691.09394.21452.16862.79432.65456.46453.06922.50803.12492.57584.41634.76021.7765
H162.43585.41691.09394.21452.16862.79432.65456.46452.50803.06922.57583.12494.76024.41631.7765

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 109.577 S1 C3 H15 108.962
S1 C3 H16 108.962 S2 C4 C6 109.577
S2 C4 H13 108.962 S2 C4 H14 108.962
C3 S1 H7 96.911 C3 C5 C6 112.033
C3 C5 H9 109.326 C3 C5 H10 109.326
C4 S2 H8 96.911 C4 C6 C5 112.033
C4 C6 H11 109.326 C4 C6 H12 109.326
C5 C3 H15 110.363 C5 C3 H16 110.363
C5 C6 H11 109.632 C5 C6 H12 109.632
C6 C4 H13 110.363 C6 C4 H14 110.363
C6 C5 H9 109.632 C6 C5 H10 109.632
H9 C5 H10 106.747 H11 C6 H12 106.747
H13 C4 H14 108.580 H15 C3 H16 108.580
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.084     -0.347
2 S -0.084     -0.360
3 C -0.507     -0.268
4 C -0.507     -0.184
5 C -0.139     -0.020
6 C -0.139     -0.028
7 H 0.060     0.213
8 H 0.060     0.212
9 H 0.156     0.085
10 H 0.156     0.085
11 H 0.156     0.083
12 H 0.156     0.083
13 H 0.179     0.098
14 H 0.179     0.098
15 H 0.179     0.124
16 H 0.179     0.124


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 0.010 0.000 0.000 0.010


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.778 3.271 0.000
y 3.271 -67.818 0.000
z 0.000 0.000 -57.049
Traceless
 xyz
x 16.655 3.271 0.000
y 3.271 -16.404 0.000
z 0.000 0.000 -0.250
Polar
3z2-r2-0.501
x2-y222.040
xy3.271
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.032 2.182 0.000
y 2.182 16.414 0.000
z 0.000 0.000 10.772


<r2> (average value of r2) Å2
<r2> 541.134
(<r2>)1/2 23.262