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

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 C1 1A
Energy calculated at HF/6-31G
 hartrees
Energy at 0K-514.502523
Energy at 298.15K-514.509277
Nuclear repulsion energy157.062551
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 A 3446 3111 2.00      
2 A 3372 3045 6.33      
3 A 3345 3020 6.19      
4 A 3289 2970 16.41      
5 A 3260 2944 16.32      
6 A 3186 2877 33.24      
7 A 1651 1491 10.44      
8 A 1647 1487 1.85      
9 A 1636 1477 12.18      
10 A 1588 1434 5.34      
11 A 1539 1389 2.18      
12 A 1330 1200 3.32      
13 A 1299 1172 7.68      
14 A 1230 1110 43.99      
15 A 1193 1077 6.30      
16 A 1125 1016 2.04      
17 A 1043 941 6.43      
18 A 990 894 1.98      
19 A 958 865 4.92      
20 A 620 560 2.18      
21 A 554 500 48.78      
22 A 428 387 0.47      
23 A 316 285 3.28      
24 A 235 212 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 19638.7 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 17731.8 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 HF/6-31G
ABC
0.37749 0.15457 0.12489

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.780 -0.370 -0.178
C2 -0.559 0.191 0.498
C3 0.280 1.188 -0.160
S4 1.153 -0.512 -0.048
H5 -1.631 -0.461 -1.245
H6 -2.024 -1.350 0.212
H7 -2.630 0.283 -0.002
H8 -0.611 0.245 1.568
H9 0.044 1.475 -1.165
H10 0.758 1.943 0.429

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.50422.58292.93911.08211.08191.08662.18922.77643.4877
C21.50421.46021.92912.14812.14492.13301.07262.18652.1938
C32.58291.46021.91442.74753.44763.05132.16131.07141.0705
S42.93911.92911.91443.03073.29573.86592.50902.53462.5319
H51.08212.14812.74753.03071.75171.76023.07492.56153.7806
H61.08192.14493.44763.29571.75171.75512.52523.76214.3165
H71.08662.13303.05133.86591.76021.75512.55843.15033.7978
H82.18921.07262.16132.50903.07492.52522.55843.06852.4618
H92.77642.18651.07142.53462.56153.76213.15033.06851.8082
H103.48772.19381.07052.53193.78064.31653.79782.46181.8082

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 121.222 C1 C2 S4 117.220
C1 C2 H8 115.310 C2 C1 H5 111.273
C2 C1 H6 111.017 C2 C1 H7 109.782
C2 C3 S4 68.206 C2 C3 H9 118.667
C2 C3 H10 119.399 C2 S4 C3 44.655
C3 C2 S4 67.140 C3 C2 H8 116.316
S4 C2 H8 110.119 S4 C3 H9 113.129
S4 C3 H10 112.972 H5 C1 H6 108.089
H5 C1 H7 108.517 H6 C1 H7 108.066
H9 C3 H10 115.171
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.431 -0.137    
2 C -0.358 0.098    
3 C -0.469 -0.189    
4 S 0.052 -0.312    
5 H 0.180 0.055    
6 H 0.182 0.070    
7 H 0.168 0.045    
8 H 0.230 0.088    
9 H 0.221 0.151    
10 H 0.224 0.131    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.511 1.879 0.353 3.156
CHELPG -2.506 1.904 0.392 3.172
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.796 1.906 -0.407
y 1.906 -32.097 -0.469
z -0.407 -0.469 -32.819
Traceless
 xyz
x -2.338 1.906 -0.407
y 1.906 1.710 -0.469
z -0.407 -0.469 0.628
Polar
3z2-r21.255
x2-y2-2.699
xy1.906
xz-0.407
yz-0.469


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.063 -1.051 -0.509
y -1.051 6.988 -0.136
z -0.509 -0.136 5.078


<r2> (average value of r2) Å2
<r2> 107.295
(<r2>)1/2 10.358