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All results from a given calculation for C3H4O2S (2H-Thiete-1,1-dioxide)

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-665.094545
Energy at 298.15K-665.100386
Nuclear repulsion energy316.828672
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 3286 3144 0.80      
2 A 3241 3100 1.35      
3 A 3104 2970 3.06      
4 A 1639 1568 1.46      
5 A 1476 1412 3.39      
6 A 1288 1232 33.24      
7 A 1213 1160 68.24      
8 A 1151 1101 126.49      
9 A 1051 1005 3.14      
10 A 982 939 4.30      
11 A 844 808 2.64      
12 A 739 707 49.89      
13 A 625 598 29.54      
14 A 421 403 19.49      
15 A 401 383 11.50      
16 A 3174 3036 0.44      
17 A 1348 1290 212.95      
18 A 1090 1043 0.81      
19 A 946 905 2.34      
20 A 913 873 0.61      
21 A 726 694 70.26      
22 A 433 414 1.74      
23 A 256 245 0.36      
24 A 212 203 1.05      

Unscaled Zero Point Vibrational Energy (zpe) 15278.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 14617.3 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
0.17800 0.09976 0.09359

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.216 0.453 0.000
O2 0.563 1.098 1.266
O3 0.563 1.098 -1.266
C4 -1.417 -0.285 0.000
H5 -2.404 0.161 0.000
C6 -0.939 -1.534 0.000
H7 -1.483 -2.474 0.000
C8 0.563 -1.366 0.000
H9 1.085 -1.698 0.903
H10 1.085 -1.698 -0.903

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.46281.46281.79212.63632.29883.38461.85212.48942.4894
O21.46282.53232.72703.35913.28494.30712.77102.86823.5773
O31.46282.53232.72703.35913.28494.30712.77103.57732.8682
C41.79212.72702.72701.08331.33742.18972.25563.01143.0114
H52.63633.35913.35911.08332.24052.79103.33684.05484.0548
C62.29883.28493.28491.33742.24051.08581.51132.22202.2220
H73.38464.30714.30712.18972.79101.08582.32672.83042.8304
C81.85212.77102.77102.25563.33681.51132.32671.09411.0941
H92.48942.86823.57733.01144.05482.22202.83041.09411.8050
H102.48943.57732.86823.01144.05482.22202.83041.09411.8050

picture of 2H-Thiete-1,1-dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C4 H5 131.349 S1 C4 C6 93.401
S1 C8 C6 85.595 S1 C8 H9 112.786
S1 C8 H10 112.786 O2 S1 O3 119.891
O2 S1 C4 113.433 O2 S1 C8 112.898
O3 S1 C4 113.433 O3 S1 C8 112.898
C4 S1 C8 76.460 C4 C6 H7 128.988
C4 C6 C8 104.545 H5 C4 C6 135.251
C6 C8 H9 116.122 C6 C8 H10 116.122
H7 C6 C8 126.468 H9 C8 H10 111.157
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.127     0.919
2 O -0.500     -0.474
3 O -0.500     -0.474
4 C -0.340     -0.336
5 H 0.219     0.234
6 C -0.118     -0.051
7 H 0.212     0.164
8 C -0.576     -0.290
9 H 0.238     0.154
10 H 0.238     0.154


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.143 -4.507 0.000 4.991
CHELPG        
AIM        
ESP -2.138 -4.536 0.000 5.015


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.632 -2.771 0.000
y -2.771 -39.717 0.000
z 0.000 0.000 -46.949
Traceless
 xyz
x 6.701 -2.771 0.000
y -2.771 2.073 0.000
z 0.000 0.000 -8.774
Polar
3z2-r2-17.547
x2-y23.085
xy-2.771
xz0.000
yz0.000


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> 148.651
(<r2>)1/2 12.192