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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-516.012740
Energy at 298.15K-516.019374
Nuclear repulsion energy159.754422
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 3233 3093 5.09      
2 A 3169 3032 18.54      
3 A 3149 3013 9.07      
4 A 3145 3009 12.65      
5 A 3128 2993 13.55      
6 A 3053 2921 26.55      
7 A 1521 1455 6.69      
8 A 1515 1449 5.39      
9 A 1502 1437 5.64      
10 A 1438 1375 4.84      
11 A 1398 1337 7.51      
12 A 1212 1160 4.19      
13 A 1198 1146 2.22      
14 A 1109 1061 22.36      
15 A 1078 1031 8.53      
16 A 1032 988 4.28      
17 A 948 907 3.95      
18 A 936 896 4.30      
19 A 898 859 2.39      
20 A 669 640 9.72      
21 A 633 606 17.09      
22 A 387 370 0.26      
23 A 302 289 1.95      
24 A 234 223 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 18441.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 17643.2 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 B3PW91/6-31G*
ABC
0.39030 0.16039 0.13039

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 -1.779 -0.300 -0.178
C2 -0.515 0.162 0.502
C3 0.376 1.148 -0.152
S4 1.090 -0.527 -0.055
H5 -1.637 -0.368 -1.261
H6 -2.088 -1.284 0.187
H7 -2.595 0.408 0.024
H8 -0.581 0.236 1.588
H9 0.114 1.482 -1.154
H10 0.865 1.901 0.462

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.50772.59672.88071.09461.09471.09812.19982.77753.4995
C21.50771.48181.83352.15612.15962.14781.08982.21022.2211
C32.59671.48181.82342.75373.47923.06662.18531.08871.0880
S42.88071.83351.82342.98593.27583.80192.46432.48982.4934
H51.09462.15612.75372.98591.77221.78023.09752.55013.7923
H61.09472.15963.47923.27581.77221.77392.55773.78224.3526
H71.09812.14783.06663.80191.78021.77392.55533.14313.7935
H82.19981.08982.18532.46433.09752.55772.55533.09142.4764
H92.77752.21021.08872.48982.55013.78223.14313.09141.8311
H103.49952.22111.08802.49343.79234.35263.79352.47641.8311

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 120.590 C1 C2 S4 118.799
C1 C2 H8 114.794 C2 C1 H5 110.899
C2 C1 H6 111.176 C2 C1 H7 110.025
C2 C3 S4 66.451 C2 C3 H9 117.782
C2 C3 H10 118.805 C2 S4 C3 47.807
C3 C2 S4 65.742 C3 C2 H8 115.531
S4 C2 H8 112.404 S4 C3 H9 115.169
S4 C3 H10 115.498 H5 C1 H6 108.093
H5 C1 H7 108.562 H6 C1 H7 107.990
H9 C3 H10 114.537
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 -0.504     -0.302
2 C -0.236     0.083
3 C -0.435     -0.301
4 S -0.009     -0.202
5 H 0.188     0.089
6 H 0.188     0.114
7 H 0.178     0.097
8 H 0.209     0.090
9 H 0.209     0.180
10 H 0.212     0.153


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.752 1.437 0.287 2.284
CHELPG        
AIM        
ESP -1.797 1.459 0.336 2.339


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.996 1.487 -0.474
y 1.487 -31.139 -0.466
z -0.474 -0.466 -31.928
Traceless
 xyz
x -1.463 1.487 -0.474
y 1.487 1.323 -0.466
z -0.474 -0.466 0.139
Polar
3z2-r20.278
x2-y2-1.857
xy1.487
xz-0.474
yz-0.466


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> 103.764
(<r2>)1/2 10.186