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

using model chemistry: HF/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 HF/6-31G**
 hartrees
Energy at 0K-952.331615
Energy at 298.15K-952.342632
Nuclear repulsion energy335.474466
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 HF/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 3222 2908 0.00      
2 Ag 3186 2876 0.00      
3 Ag 2893 2611 0.00      
4 Ag 1625 1467 0.00      
5 Ag 1624 1466 0.00      
6 Ag 1548 1398 0.00      
7 Ag 1414 1276 0.00      
8 Ag 1193 1076 0.00      
9 Ag 1122 1013 0.00      
10 Ag 940 848 0.00      
11 Ag 827 746 0.00      
12 Ag 359 324 0.00      
13 Ag 222 201 0.00      
14 Au 3281 2962 61.46      
15 Au 3235 2920 23.08      
16 Au 1439 1298 1.27      
17 Au 1210 1093 2.52      
18 Au 972 877 1.35      
19 Au 794 716 2.65      
20 Au 202 182 37.00      
21 Au 107 97 14.45      
22 Au 59 53 7.73      
23 Bg 3277 2958 0.00      
24 Bg 3216 2903 0.00      
25 Bg 1451 1310 0.00      
26 Bg 1371 1238 0.00      
27 Bg 1147 1036 0.00      
28 Bg 841 759 0.00      
29 Bg 197 178 0.00      
30 Bg 143 129 0.00      
31 Bu 3224 2910 78.48      
32 Bu 3190 2879 26.50      
33 Bu 2892 2611 35.52      
34 Bu 1639 1479 3.45      
35 Bu 1621 1463 5.00      
36 Bu 1491 1346 53.56      
37 Bu 1355 1223 38.18      
38 Bu 1122 1013 2.17      
39 Bu 978 883 6.86      
40 Bu 785 708 8.96      
41 Bu 422 381 6.27      
42 Bu 109 98 4.20      

Unscaled Zero Point Vibrational Energy (zpe) 30971.8 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 27955.1 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 HF/6-31G**
ABC
0.48664 0.01871 0.01825

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.354 3.159 0.000
S2 -1.354 -3.159 0.000
C3 1.418 1.333 0.000
C4 -1.418 -1.333 0.000
C5 0.000 0.766 0.000
C6 0.000 -0.766 0.000
H7 2.661 3.388 0.000
H8 -2.661 -3.388 0.000
H9 -0.534 1.132 0.873
H10 -0.534 1.132 -0.873
H11 0.534 -1.132 0.873
H12 0.534 -1.132 -0.873
H13 -1.956 -0.999 -0.878
H14 -1.956 -0.999 0.878
H15 1.956 0.999 -0.878
H16 1.956 0.999 0.878

Atom - Atom Distances (Å)
  S1 S2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
S16.87401.82735.27842.74994.15161.32717.68032.90412.90414.45524.45525.38645.38642.40862.4086
S26.87405.27841.82734.15162.74997.68031.32714.45524.45522.90412.90412.40862.40865.38645.3864
C31.82735.27843.89241.52732.53272.40196.23932.14752.14752.76052.76054.19424.19421.08291.0829
C45.27841.82733.89242.53271.52736.23932.40192.76052.76052.14752.14751.08291.08294.19424.1942
C52.74994.15161.52732.53271.53103.73624.93301.08691.08692.15582.15582.77662.77662.15672.1567
C64.15162.74992.53271.52731.53104.93303.73622.15582.15581.08691.08692.15672.15672.77662.7766
H71.32717.68032.40196.23933.73624.93308.61654.00734.00735.07165.07166.42906.42902.64182.6418
H87.68031.32716.23932.40194.93303.73628.61655.07165.07164.00734.00732.64182.64186.42906.4290
H92.90414.45522.14752.76051.08692.15584.00735.07161.74602.50313.05193.10332.56183.04682.4931
H102.90414.45522.14752.76051.08692.15584.00735.07161.74603.05192.50312.56183.10332.49313.0468
H114.45522.90412.76052.14752.15581.08695.07164.00732.50313.05191.74603.04682.49313.10332.5618
H124.45522.90412.76052.14752.15581.08695.07164.00733.05192.50311.74602.49313.04682.56183.1033
H135.38642.40864.19421.08292.77662.15676.42902.64183.10332.56183.04682.49311.75694.39214.7305
H145.38642.40864.19421.08292.77662.15676.42902.64182.56183.10332.49313.04681.75694.73054.3921
H152.40865.38641.08294.19422.15672.77662.64186.42903.04682.49313.10332.56184.39214.73051.7569
H162.40865.38641.08294.19422.15672.77662.64186.42902.49313.04682.56183.10334.73054.39211.7569

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 109.798 S1 C3 H15 109.023
S1 C3 H16 109.023 S2 C4 C6 109.798
S2 C4 H13 109.023 S2 C4 H14 109.023
C3 S1 H7 97.931 C3 C5 C6 111.815
C3 C5 H9 109.305 C3 C5 H10 109.305
C4 S2 H8 97.931 C4 C6 C5 111.815
C4 C6 H11 109.305 C4 C6 H12 109.305
C5 C3 H15 110.267 C5 C3 H16 110.267
C5 C6 H11 109.707 C5 C6 H12 109.707
C6 C4 H13 110.267 C6 C4 H14 110.267
C6 C5 H9 109.707 C6 C5 H10 109.707
H9 C5 H10 106.875 H11 C6 H12 106.875
H13 C4 H14 108.428 H15 C3 H16 108.428
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.014 -0.387    
2 S -0.014 -0.387    
3 C -0.368 -0.051    
4 C -0.368 -0.051    
5 C -0.231 0.019    
6 C -0.231 0.019    
7 H 0.046 0.212    
8 H 0.046 0.212    
9 H 0.134 0.048    
10 H 0.134 0.048    
11 H 0.134 0.048    
12 H 0.134 0.048    
13 H 0.150 0.055    
14 H 0.150 0.055    
15 H 0.150 0.055    
16 H 0.150 0.055    


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 -45.377 3.307 0.000
y 3.307 -67.836 0.000
z 0.000 0.000 -56.527
Traceless
 xyz
x 16.804 3.307 0.000
y 3.307 -16.883 0.000
z 0.000 0.000 0.079
Polar
3z2-r20.158
x2-y222.459
xy3.307
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.420 2.090 0.000
y 2.090 13.809 0.000
z 0.000 0.000 8.171


<r2> (average value of r2) Å2
<r2> 534.646
(<r2>)1/2 23.122