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

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-664.945880
Energy at 298.15K-664.951075
Nuclear repulsion energy297.468745
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 B1B95/6-31G
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 3346 3191 4.97      
2 A 3268 3117 1.03      
3 A 3141 2996 0.07      
4 A 1650 1574 0.19      
5 A 1478 1409 8.03      
6 A 1270 1211 20.27      
7 A 1183 1129 9.52      
8 A 1049 1001 0.14      
9 A 1001 955 14.19      
10 A 882 842 52.02      
11 A 771 735 10.75      
12 A 608 579 35.51      
13 A 525 500 9.84      
14 A 319 305 19.52      
15 A 275 262 13.22      
16 A 3232 3082 0.35      
17 A 1097 1046 9.44      
18 A 1002 956 73.78      
19 A 953 909 9.67      
20 A 865 825 25.71      
21 A 752 717 67.78      
22 A 394 376 0.87      
23 A 186 178 0.09      
24 A 179 171 1.57      

Unscaled Zero Point Vibrational Energy (zpe) 14713.1 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 14031.9 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 B1B95/6-31G
ABC
0.15816 0.08890 0.07995

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.205 0.474 0.000
O2 0.576 1.223 1.395
O3 0.576 1.223 -1.395
C4 -1.463 -0.421 0.000
H5 -2.455 -0.001 0.000
C6 -0.917 -1.639 0.000
H7 -1.429 -2.593 0.000
C8 0.576 -1.456 0.000
H9 1.112 -1.731 0.908
H10 1.112 -1.731 -0.908

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.62601.62601.89362.70232.39303.47521.96512.55082.5508
O21.62602.79012.96753.55363.51664.53043.02033.04123.7833
O31.62602.79012.96753.55363.51664.53043.02033.78333.0412
C41.89362.96752.96751.07691.33492.17192.28653.02853.0285
H52.70233.55363.55361.07692.24682.78733.36174.06694.0669
C62.39303.51663.51661.33492.24681.08221.50412.22502.2250
H73.47524.53044.53042.17192.78731.08222.30482.83302.8330
C81.96513.02033.02032.28653.36171.50412.30481.08951.0895
H92.55083.04123.78333.02854.06692.22502.83301.08951.8152
H102.55083.78333.04123.02854.06692.22502.83301.08951.8152

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 128.830 S1 C4 C6 94.066
S1 C8 C6 86.142 S1 C8 H9 109.904
S1 C8 H10 109.904 O2 S1 O3 118.172
O2 S1 C4 114.731 O2 S1 C8 114.167
O3 S1 C4 114.731 O3 S1 C8 114.167
C4 S1 C8 72.650 C4 C6 H7 127.620
C4 C6 C8 107.142 H5 C4 C6 137.104
C6 C8 H9 117.262 C6 C8 H10 117.262
H7 C6 C8 125.238 H9 C8 H10 112.816
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.180      
2 O -0.551      
3 O -0.551      
4 C -0.411      
5 H 0.229      
6 C -0.040      
7 H 0.226      
8 C -0.582      
9 H 0.250      
10 H 0.250      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.644 -6.126 0.000 6.672
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.235 -3.451 0.000
y -3.451 -41.895 0.000
z 0.000 0.000 -50.354
Traceless
 xyz
x 8.889 -3.451 0.000
y -3.451 1.900 0.000
z 0.000 0.000 -10.789
Polar
3z2-r2-21.578
x2-y24.660
xy-3.451
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.405 0.645 0.000
y 0.645 10.004 0.000
z 0.000 0.000 6.763


<r2> (average value of r2) Å2
<r2> 166.285
(<r2>)1/2 12.895