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

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-513.515377
Energy at 298.15K-513.522020
Nuclear repulsion energy159.345894
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 B3PW91/3-21G*
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 3244 3112 2.72      
2 A 3184 3054 7.85      
3 A 3151 3023 8.54      
4 A 3142 3014 7.84      
5 A 3122 2995 10.79      
6 A 3050 2927 19.01      
7 A 1555 1492 10.36      
8 A 1541 1479 6.45      
9 A 1515 1453 6.25      
10 A 1459 1400 10.67      
11 A 1390 1334 5.92      
12 A 1213 1164 3.45      
13 A 1182 1134 4.28      
14 A 1130 1084 30.44      
15 A 1091 1046 6.16      
16 A 1048 1006 4.93      
17 A 969 929 7.02      
18 A 928 890 3.66      
19 A 887 851 3.71      
20 A 648 621 2.84      
21 A 608 583 20.31      
22 A 395 379 0.28      
23 A 308 296 1.93      
24 A 230 221 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 18493.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 17743.0 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 B3PW91/3-21G*
ABC
0.38470 0.16058 0.13050

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.773 -0.306 -0.183
C2 -0.518 0.160 0.520
C3 0.369 1.157 -0.158
S4 1.091 -0.527 -0.056
H5 -1.597 -0.389 -1.261
H6 -2.087 -1.287 0.189
H7 -2.589 0.408 -0.008
H8 -0.589 0.244 1.602
H9 0.081 1.480 -1.155
H10 0.859 1.910 0.453

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.51252.59412.87461.09521.09551.09862.21182.75163.4985
C21.51251.49671.84102.15392.16042.15201.08762.21512.2273
C32.59411.49671.83442.73353.48253.05522.20221.08681.0861
S42.87461.84101.83442.94873.27653.79662.48272.50052.5001
H51.09522.15392.73352.94871.77521.78573.10082.51373.7750
H61.09552.16043.48253.27651.77521.77902.56623.76364.3553
H71.09862.15203.05523.79661.78571.77902.57283.09753.7886
H82.21181.08762.20222.48273.10082.56622.57283.09482.4884
H92.75162.21511.08682.50052.51373.76363.09753.09481.8367
H103.49852.22731.08612.50013.77504.35533.78862.48841.8367

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 119.093 C1 C2 S4 117.668
C1 C2 H8 115.597 C2 C1 H5 110.354
C2 C1 H6 110.850 C2 C1 H7 109.994
C2 C3 S4 66.200 C2 C3 H9 117.164
C2 C3 H10 118.299 C2 S4 C3 48.060
C3 C2 S4 65.739 C3 C2 H8 115.990
S4 C2 H8 113.422 S4 C3 H9 115.337
S4 C3 H10 115.345 H5 C1 H6 108.260
H5 C1 H7 108.977 H6 C1 H7 108.347
H9 C3 H10 115.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.612      
2 C -0.395      
3 C -0.531      
4 S 0.086      
5 H 0.231      
6 H 0.231      
7 H 0.223      
8 H 0.259      
9 H 0.253      
10 H 0.256      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.695 1.359 0.251 2.187
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.215 1.491 -0.423
y 1.491 -31.493 -0.461
z -0.423 -0.461 -32.126
Traceless
 xyz
x -1.405 1.491 -0.423
y 1.491 1.177 -0.461
z -0.423 -0.461 0.228
Polar
3z2-r20.456
x2-y2-1.721
xy1.491
xz-0.423
yz-0.461


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> 103.983
(<r2>)1/2 10.197