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

using model chemistry: mPW1PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at mPW1PW91/6-31G*
 hartrees
Energy at 0K-516.078347
Energy at 298.15K-516.085009
Nuclear repulsion energy160.118835
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 mPW1PW91/6-31G*
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 3254 3086 4.38      
2 A 3191 3026 16.78      
3 A 3169 3005 10.65      
4 A 3165 3002 10.68      
5 A 3149 2986 12.63      
6 A 3072 2914 25.10      
7 A 1529 1450 6.70      
8 A 1523 1445 5.66      
9 A 1510 1432 5.88      
10 A 1447 1372 5.10      
11 A 1406 1333 6.99      
12 A 1220 1157 4.35      
13 A 1206 1143 2.30      
14 A 1117 1060 22.40      
15 A 1085 1029 8.50      
16 A 1039 985 4.41      
17 A 955 905 3.76      
18 A 943 894 4.28      
19 A 905 859 2.31      
20 A 679 644 9.60      
21 A 643 610 17.66      
22 A 388 368 0.25      
23 A 304 289 1.88      
24 A 236 223 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 18568.6 cm-1
Scaled (by 0.9483) Zero Point Vibrational Energy (zpe) 17608.6 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 mPW1PW91/6-31G*
ABC
0.39173 0.16122 0.13109

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.775 -0.298 -0.178
C2 -0.514 0.162 0.503
C3 0.377 1.145 -0.152
S4 1.086 -0.527 -0.055
H5 -1.630 -0.366 -1.259
H6 -2.084 -1.281 0.186
H7 -2.589 0.409 0.022
H8 -0.578 0.236 1.586
H9 0.113 1.479 -1.153
H10 0.867 1.897 0.460

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.50542.59152.87261.09301.09301.09632.19772.77003.4935
C21.50541.47981.82832.15172.15612.14461.08812.20632.2177
C32.59151.47981.81822.74583.47283.06092.18221.08711.0863
S42.87261.82831.81822.97513.26753.79262.45882.48412.4876
H51.09302.15172.74582.97511.76971.77783.09282.54073.7833
H61.09302.15613.47283.26751.76971.77162.55533.77334.3455
H71.09632.14463.06093.79261.77781.77162.55343.13443.7876
H82.19771.08812.18222.45883.09282.55532.55343.08622.4727
H92.77002.20631.08712.48412.54073.77333.13443.08621.8288
H103.49352.21771.08632.48763.78334.34553.78762.47271.8288

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 120.483 C1 C2 S4 118.696
C1 C2 H8 114.915 C2 C1 H5 110.806
C2 C1 H6 111.160 C2 C1 H7 110.044
C2 C3 S4 66.415 C2 C3 H9 117.715
C2 C3 H10 118.788 C2 S4 C3 47.882
C3 C2 S4 65.703 C3 C2 H8 115.542
S4 C2 H8 112.443 S4 C3 H9 115.194
S4 C3 H10 115.520 H5 C1 H6 108.107
H5 C1 H7 108.595 H6 C1 H7 108.036
H9 C3 H10 114.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.512      
2 C -0.246      
3 C -0.443      
4 S -0.005      
5 H 0.191      
6 H 0.191      
7 H 0.181      
8 H 0.214      
9 H 0.213      
10 H 0.216      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.750 1.443 0.289 2.286
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.005 1.496 -0.475
y 1.496 -31.144 -0.468
z -0.475 -0.468 -31.921
Traceless
 xyz
x -1.472 1.496 -0.475
y 1.496 1.319 -0.468
z -0.475 -0.468 0.153
Polar
3z2-r20.306
x2-y2-1.861
xy1.496
xz-0.475
yz-0.468


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> 103.357
(<r2>)1/2 10.166