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

using model chemistry: QCISD/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 QCISD/3-21G
 hartrees
Energy at 0K-948.090163
Energy at 298.15K-948.100640
HF Energy-947.535684
Nuclear repulsion energy326.980211
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 QCISD/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 3078 2983 0.00      
2 Ag 3032 2938 0.00      
3 Ag 2369 2296 0.00      
4 Ag 1565 1517 0.00      
5 Ag 1550 1502 0.00      
6 Ag 1422 1378 0.00      
7 Ag 1316 1275 0.00      
8 Ag 1078 1045 0.00      
9 Ag 1026 994 0.00      
10 Ag 819 794 0.00      
11 Ag 708 686 0.00      
12 Ag 331 320 0.00      
13 Ag 201 195 0.00      
14 Au 3140 3043 30.09      
15 Au 3085 2990 14.92      
16 Au 1373 1331 1.44      
17 Au 1147 1111 1.27      
18 Au 907 879 1.75      
19 Au 758 734 5.64      
20 Au 166 161 33.96      
21 Au 104 101 26.04      
22 Au 53 52 6.88      
23 Bg 3137 3041 0.00      
24 Bg 3064 2970 0.00      
25 Bg 1382 1339 0.00      
26 Bg 1306 1265 0.00      
27 Bg 1062 1029 0.00      
28 Bg 797 772 0.00      
29 Bg 159 154 0.00      
30 Bg 132 128 0.00      
31 Bu 3078 2984 33.13      
32 Bu 3039 2945 13.77      
33 Bu 2369 2296 87.62      
34 Bu 1576 1528 7.32      
35 Bu 1547 1499 6.67      
36 Bu 1389 1346 46.72      
37 Bu 1276 1236 32.05      
38 Bu 1022 991 4.07      
39 Bu 848 822 7.93      
40 Bu 670 649 4.63      
41 Bu 383 371 8.57      
42 Bu 99 96 4.47      

Unscaled Zero Point Vibrational Energy (zpe) 28780.0 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 27893.6 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 QCISD/3-21G
ABC
0.45599 0.01787 0.01742

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 1.362 3.252 0.000
S2 -1.362 -3.252 0.000
C3 1.444 1.327 0.000
C4 -1.444 -1.327 0.000
C5 0.000 0.778 0.000
C6 0.000 -0.778 0.000
H7 2.728 3.467 0.000
H8 -2.728 -3.467 0.000
H9 -0.532 1.147 0.890
H10 -0.532 1.147 -0.890
H11 0.532 -1.147 0.890
H12 0.532 -1.147 -0.890
H13 -1.982 -1.006 -0.898
H14 -1.982 -1.006 0.898
H15 1.982 1.006 -0.898
H16 1.982 1.006 0.898

Atom - Atom Distances (Å)
  S1 S2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
S17.05231.92695.37092.82464.25451.38287.86652.96912.96914.56434.56435.48875.48872.49722.4972
S27.05235.37091.92694.25452.82467.86651.38284.56434.56432.96912.96912.49722.49725.48875.4887
C31.92695.37093.92221.54462.55272.49576.35532.17462.17462.78262.78264.24104.24101.09521.0952
C45.37091.92693.92222.55271.54466.35532.49572.78262.78262.17462.17461.09521.09524.24104.2410
C52.82464.25451.54462.55271.55613.83065.04611.10051.10052.18632.18632.81392.81392.18782.1878
C64.25452.82462.55271.54461.55615.04613.83062.18632.18631.10051.10052.18782.18782.81392.8139
H71.38287.86652.49576.35533.83065.04618.82344.09964.09965.18655.18656.55756.55752.72382.7238
H87.86651.38286.35532.49575.04613.83068.82345.18655.18654.09964.09962.72382.72386.55756.5575
H92.96914.56432.17462.78261.10052.18634.09965.18651.78002.52823.09193.15192.59543.08832.5179
H102.96914.56432.17462.78261.10052.18634.09965.18651.78003.09192.52822.59543.15192.51793.0883
H114.56432.96912.78262.17462.18631.10055.18654.09962.52823.09191.78003.08832.51793.15192.5954
H124.56432.96912.78262.17462.18631.10055.18654.09963.09192.52821.78002.51793.08832.59543.1519
H135.48872.49724.24101.09522.81392.18786.55752.72383.15192.59543.08832.51791.79664.44524.7946
H145.48872.49724.24101.09522.81392.18786.55752.72382.59543.15192.51793.08831.79664.79464.4452
H152.49725.48871.09524.24102.18782.81392.72386.55753.08832.51793.15192.59544.44524.79461.7966
H162.49725.48871.09524.24102.18782.81392.72386.55752.51793.08832.59543.15194.79464.44521.7966

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 108.403 S1 C3 H15 108.274
S1 C3 H16 108.274 S2 C4 C6 108.403
S2 C4 H13 108.274 S2 C4 H14 108.274
C3 S1 H7 96.502 C3 C5 C6 110.825
C3 C5 H9 109.446 C3 C5 H10 109.446
C4 S2 H8 96.502 C4 C6 C5 110.825
C4 C6 H11 109.446 C4 C6 H12 109.446
C5 C3 H15 110.794 C5 C3 H16 110.794
C5 C6 H11 109.567 C5 C6 H12 109.567
C6 C4 H13 110.794 C6 C4 H14 110.794
C6 C5 H9 109.567 C6 C5 H10 109.567
H9 C5 H10 107.939 H11 C6 H12 107.939
H13 C4 H14 110.211 H15 C3 H16 110.211
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability