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

using model chemistry: LSDA/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 LSDA/3-21G*
 hartrees
Energy at 0K-511.909751
Energy at 298.15K-511.916360
Nuclear repulsion energy160.108396
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 LSDA/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 3162 3105 1.19      
2 A 3102 3047 4.95      
3 A 3072 3017 5.77      
4 A 3068 3013 4.80      
5 A 3055 3000 4.69      
6 A 2978 2924 12.04      
7 A 1496 1469 13.56      
8 A 1479 1452 7.01      
9 A 1456 1430 9.69      
10 A 1400 1374 19.92      
11 A 1349 1325 5.53      
12 A 1186 1164 1.88      
13 A 1169 1148 4.73      
14 A 1091 1072 31.01      
15 A 1051 1032 9.84      
16 A 1009 991 6.31      
17 A 939 922 9.78      
18 A 901 885 3.67      
19 A 884 868 5.22      
20 A 652 641 3.89      
21 A 616 605 13.65      
22 A 391 384 0.38      
23 A 305 300 2.20      
24 A 238 234 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 18023.9 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 17699.4 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 LSDA/3-21G*
ABC
0.38693 0.16320 0.13270

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.751 -0.307 -0.183
C2 -0.516 0.157 0.523
C3 0.361 1.149 -0.158
S4 1.083 -0.522 -0.056
H5 -1.557 -0.387 -1.267
H6 -2.072 -1.299 0.180
H7 -2.580 0.407 -0.017
H8 -0.589 0.245 1.615
H9 0.053 1.470 -1.161
H10 0.851 1.918 0.449

Atom - Atom Distances (Å)
  C1 C2 C3 S4 H5 H6 H7 H8 H9 H10
C11.49652.56562.84491.10471.10361.10682.20982.71463.4812
C21.49651.48961.83082.14132.15812.14881.09712.21022.2304
C32.56561.48961.82322.69563.46783.03662.20561.09661.0950
S42.84491.83081.82322.90773.25753.77932.48492.49972.5017
H51.10472.14132.69562.90771.78671.79963.10462.45943.7486
H61.10362.15813.46783.25751.78671.79112.57623.73874.3543
H71.10682.14883.03663.77931.79961.79112.57923.06103.7779
H82.20981.09712.20562.48493.10462.57622.57923.10102.4965
H92.71462.21021.09662.49972.45943.73873.06103.10101.8517
H103.48122.23041.09502.50173.74864.35433.77792.49651.8517

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 118.450 C1 C2 S4 117.174
C1 C2 H8 116.016 C2 C1 H5 109.905
C2 C1 H6 111.303 C2 C1 H7 110.361
C2 C3 S4 66.207 C2 C3 H9 116.609
C2 C3 H10 118.500 C2 S4 C3 48.115
C3 C2 S4 65.678 C3 C2 H8 116.182
S4 C2 H8 113.774 S4 C3 H9 115.501
S4 C3 H10 115.755 H5 C1 H6 108.019
H5 C1 H7 108.930 H6 C1 H7 108.251
H9 C3 H10 115.313
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.627      
2 C -0.382      
3 C -0.530      
4 S 0.089      
5 H 0.231      
6 H 0.235      
7 H 0.227      
8 H 0.255      
9 H 0.249      
10 H 0.254      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.666 1.313 0.258 2.137
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.134 1.451 -0.406
y 1.451 -31.474 -0.443
z -0.406 -0.443 -32.086
Traceless
 xyz
x -1.354 1.451 -0.406
y 1.451 1.136 -0.443
z -0.406 -0.443 0.218
Polar
3z2-r20.436
x2-y2-1.659
xy1.451
xz-0.406
yz-0.443


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.508 -0.571 -0.302
y -0.571 6.564 -0.067
z -0.302 -0.067 5.204


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000