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

using model chemistry: HF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-512.086525
Energy at 298.15K-512.093371
Nuclear repulsion energy160.316710
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/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 A 3409 3077 2.22      
2 A 3351 3025 7.30      
3 A 3318 2995 9.52      
4 A 3277 2957 12.51      
5 A 3256 2939 16.20      
6 A 3197 2886 25.31      
7 A 1666 1504 8.83      
8 A 1657 1496 5.16      
9 A 1631 1472 5.65      
10 A 1583 1429 6.42      
11 A 1499 1353 4.15      
12 A 1314 1186 5.60      
13 A 1256 1134 21.43      
14 A 1236 1115 18.36      
15 A 1182 1067 1.15      
16 A 1142 1031 3.69      
17 A 1051 949 4.53      
18 A 1002 905 2.47      
19 A 926 836 2.43      
20 A 691 624 1.24      
21 A 624 563 41.19      
22 A 422 381 0.15      
23 A 334 302 1.70      
24 A 239 216 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 19631.3 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 17719.2 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/3-21G*
ABC
0.39020 0.16182 0.13154

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.773 -0.299 -0.181
C2 -0.509 0.159 0.516
C3 0.376 1.150 -0.156
S4 1.083 -0.527 -0.056
H5 -1.612 -0.381 -1.249
H6 -2.086 -1.267 0.190
H7 -2.574 0.412 -0.000
H8 -0.580 0.241 1.583
H9 0.099 1.475 -1.140
H10 0.864 1.888 0.449

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.51482.59222.86771.08251.08301.08582.19732.75143.4837
C21.51481.48851.82452.15002.15102.14371.07302.20022.2090
C32.59221.48851.82172.73713.46733.04492.18261.07251.0719
S42.86771.82451.82172.95063.26333.77542.45792.47892.4769
H51.08252.15002.73712.95061.75501.76403.07752.52683.7633
H61.08302.15103.46733.26331.75501.75862.54593.74974.3272
H71.08582.14373.04493.77541.76401.75862.55173.09413.7682
H82.19731.07302.18262.45793.07752.54592.55173.06532.4669
H92.75142.20021.07252.47892.52683.74973.09413.06531.8106
H103.48372.20901.07192.47693.76334.32723.76822.46691.8106

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 119.334 C1 C2 S4 118.062
C1 C2 H8 115.166 C2 C1 H5 110.636
C2 C1 H6 110.685 C2 C1 H7 109.938
C2 C3 S4 66.006 C2 C3 H9 117.514
C2 C3 H10 118.351 C2 S4 C3 48.187
C3 C2 S4 65.807 C3 C2 H8 115.935
S4 C2 H8 113.499 S4 C3 H9 115.406
S4 C3 H10 115.281 H5 C1 H6 108.269
H5 C1 H7 108.884 H6 C1 H7 108.365
H9 C3 H10 115.208
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.576 -0.161    
2 C -0.411 0.034    
3 C -0.522 -0.246    
4 S 0.070 -0.209    
5 H 0.224 0.053    
6 H 0.223 0.080    
7 H 0.213 0.055    
8 H 0.266 0.094    
9 H 0.254 0.165    
10 H 0.258 0.136    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.749 1.450 0.273 2.288
CHELPG -1.749 1.462 0.326 2.303
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.085 1.581 -0.465
y 1.581 -32.183 -0.491
z -0.465 -0.491 -32.813
Traceless
 xyz
x -1.587 1.581 -0.465
y 1.581 1.266 -0.491
z -0.465 -0.491 0.321
Polar
3z2-r20.643
x2-y2-1.902
xy1.581
xz-0.465
yz-0.491


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.246 -0.665 -0.409
y -0.665 6.545 -0.091
z -0.409 -0.091 4.994


<r2> (average value of r2) Å2
<r2> 103.682
(<r2>)1/2 10.182