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All results from a given calculation for C3H6S (Thiirane, methyl-)

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 1A
Energy calculated at B3PW91/6-31G
 hartrees
Energy at 0K-515.955376
Energy at 298.15K-515.961951
Nuclear repulsion energy156.451954
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 A 3277 3139 4.18      
2 A 3203 3067 9.21      
3 A 3176 3042 7.28      
4 A 3159 3026 11.37      
5 A 3131 2999 13.10      
6 A 3047 2918 25.90      
7 A 1538 1473 10.96      
8 A 1527 1462 3.21      
9 A 1515 1451 11.22      
10 A 1459 1398 9.36      
11 A 1419 1359 3.88      
12 A 1227 1175 3.60      
13 A 1222 1170 3.48      
14 A 1124 1076 32.53      
15 A 1096 1050 7.17      
16 A 1033 989 3.29      
17 A 962 921 8.33      
18 A 915 877 2.77      
19 A 906 867 5.33      
20 A 604 578 10.00      
21 A 566 542 15.80      
22 A 397 380 0.37      
23 A 292 280 2.87      
24 A 226 217 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 18509.8 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 17726.8 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 B3PW91/6-31G
ABC
0.37496 0.15366 0.12438

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.786 -0.362 -0.180
C2 -0.560 0.179 0.504
C3 0.294 1.190 -0.158
S4 1.152 -0.514 -0.050
H5 -1.625 -0.456 -1.259
H6 -2.056 -1.348 0.210
H7 -2.636 0.314 -0.012
H8 -0.617 0.236 1.588
H9 0.044 1.487 -1.172
H10 0.768 1.958 0.443

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.50402.59452.94441.09431.09411.09892.20252.78373.5058
C21.50401.47951.92822.15472.15722.14321.08732.21012.2210
C32.59451.47951.91112.75683.47763.06122.18801.08571.0848
S42.94441.92821.91113.02933.32443.87752.52472.54812.5504
H51.09432.15472.75683.02931.77141.77973.09832.56263.8011
H61.09412.15723.47763.32441.77141.77372.54523.78864.3537
H71.09892.14323.06123.87751.77971.77372.57763.14683.8073
H82.20251.08732.18802.52473.09832.54522.57763.10152.4887
H92.78372.21011.08572.54812.56263.78863.14683.10151.8315
H103.50582.22101.08482.55043.80114.35373.80732.48871.8315

picture of Thiirane, methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.820 C1 C2 S4 117.627
C1 C2 H8 115.469 C2 C1 H5 111.067
C2 C1 H6 111.278 C2 C1 H7 109.877
C2 C3 S4 67.947 C2 C3 H9 118.170
C2 C3 H10 119.228 C2 S4 C3 45.330
C3 C2 S4 66.723 C3 C2 H8 116.117
S4 C2 H8 110.579 S4 C3 H9 113.608
S4 C3 H10 113.840 H5 C1 H6 108.085
H5 C1 H7 108.475 H6 C1 H7 107.955
H9 C3 H10 115.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.459      
2 C -0.340      
3 C -0.469      
4 S 0.085      
5 H 0.182      
6 H 0.185      
7 H 0.174      
8 H 0.215      
9 H 0.212      
10 H 0.214      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.188 1.612 0.301 2.734
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.575 1.712 -0.419
y 1.712 -31.387 -0.487
z -0.419 -0.487 -32.165
Traceless
 xyz
x -1.799 1.712 -0.419
y 1.712 1.484 -0.487
z -0.419 -0.487 0.315
Polar
3z2-r20.631
x2-y2-2.188
xy1.712
xz-0.419
yz-0.487


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> 107.324
(<r2>)1/2 10.360