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All results from a given calculation for C3H8S2 (1,3-Propanedithiol)

using model chemistry: B3PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A1
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-915.281010
Energy at 298.15K-915.289255
Nuclear repulsion energy262.738514
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 B3PW91/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3099 2968 46.92      
2 A1 3075 2945 0.72      
3 A1 2530 2423 43.98      
4 A1 1549 1484 8.52      
5 A1 1530 1466 0.45      
6 A1 1329 1273 38.20      
7 A1 1103 1056 4.10      
8 A1 824 789 1.80      
9 A1 764 731 2.80      
10 A1 294 282 0.54      
11 A1 124 119 0.22      
12 A2 3159 3026 0.00      
13 A2 1356 1299 0.00      
14 A2 1138 1090 0.00      
15 A2 858 822 0.00      
16 A2 151 145 0.00      
17 A2 78 74 0.00      
18 B1 3172 3038 33.76      
19 B1 3122 2990 0.85      
20 B1 1308 1252 2.06      
21 B1 1042 998 3.99      
22 B1 782 749 7.34      
23 B1 132 126 60.81      
24 B1 97 93 1.66      
25 B2 3093 2962 1.33      
26 B2 2530 2423 60.37      
27 B2 1522 1458 5.00      
28 B2 1404 1345 24.99      
29 B2 1279 1225 11.19      
30 B2 1088 1042 0.56      
31 B2 861 825 1.45      
32 B2 665 637 6.95      
33 B2 326 312 15.58      

Unscaled Zero Point Vibrational Energy (zpe) 22691.5 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 21731.7 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 B3PW91/6-31G
ABC
0.45251 0.02947 0.02810

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.144
C2 0.000 1.256 -0.726
C3 0.000 -1.256 -0.726
H4 0.883 0.000 0.794
H5 -0.883 0.000 0.794
S6 0.000 2.782 0.403
S7 0.000 -2.782 0.403
H8 0.000 3.725 -0.601
H9 0.000 -3.725 -0.601
H10 0.892 1.298 -1.357
H11 -0.892 1.298 -1.357
H12 -0.892 -1.298 -1.357
H13 0.892 -1.298 -1.357

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 S6 S7 H8 H9 H10 H11 H12 H13
C11.52781.52781.09651.09652.79362.79363.79833.79832.17532.17532.17532.1753
C21.52782.51192.16062.16061.89794.19242.47194.98221.09361.09362.77752.7775
C31.52782.51192.16062.16064.19241.89794.98222.47192.77752.77751.09361.0936
H41.09652.16062.16061.76522.94442.94444.07404.07402.51233.07603.07602.5123
H51.09652.16062.16061.76522.94442.94444.07404.07403.07602.51232.51233.0760
S62.79361.89794.19242.94442.94445.56311.37716.58312.46892.46894.53124.5312
S72.79364.19241.89792.94442.94445.56316.58311.37714.53124.53122.46892.4689
H83.79832.47194.98224.07404.07401.37716.58317.44922.69432.69435.15665.1566
H93.79834.98222.47194.07404.07406.58311.37717.44925.15665.15662.69432.6943
H102.17531.09362.77752.51233.07602.46894.53122.69435.15661.78473.14952.5950
H112.17531.09362.77753.07602.51232.46894.53122.69435.15661.78472.59503.1495
H122.17532.77751.09363.07602.51234.53122.46895.15662.69433.14952.59501.7847
H132.17532.77751.09362.51233.07604.53122.46895.15662.69432.59503.14951.7847

picture of 1,3-Propanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S6 108.790 C1 C2 H10 111.079
C1 C2 H11 111.079 C1 C3 S7 108.790
C1 C3 H12 111.079 C1 C3 H13 111.079
C2 C1 C3 110.588 C2 C1 H4 109.746
C2 C1 H5 109.746 C2 S6 H8 96.720
C3 C1 H4 109.746 C3 C1 H5 109.746
C3 S7 H9 96.720 H4 C1 H5 107.206
S6 C2 H10 108.215 S6 C2 H11 108.215
S7 C3 H12 108.215 S7 C3 H13 108.215
H10 C2 H11 109.371 H12 C3 H13 109.371
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.290      
2 C -0.543      
3 C -0.543      
4 H 0.203      
5 H 0.203      
6 S 0.023      
7 S 0.023      
8 H 0.058      
9 H 0.058      
10 H 0.202      
11 H 0.202      
12 H 0.202      
13 H 0.202      


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 -3.691 3.691
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -49.531 0.000 0.000
y 0.000 -47.780 0.000
z 0.000 0.000 -46.883
Traceless
 xyz
x -2.200 0.000 0.000
y 0.000 0.427 0.000
z 0.000 0.000 1.773
Polar
3z2-r23.546
x2-y2-1.751
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 356.750
(<r2>)1/2 18.888