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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-61.107176
Energy at 298.15K-61.112031
Nuclear repulsion energy113.440392
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 B3LYP/CEP-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 3281 3177 3.30      
2 A 3217 3116 1.24      
3 A 3108 3010 5.61      
4 A 1600 1550 0.68      
5 A 1448 1402 5.61      
6 A 1227 1189 24.26      
7 A 1161 1124 8.49      
8 A 1009 977 1.29      
9 A 971 941 9.49      
10 A 810 785 40.30      
11 A 725 702 29.68      
12 A 570 552 31.84      
13 A 487 472 6.06      
14 A 278 269 19.16      
15 A 242 235 14.12      
16 A 3207 3106 2.51      
17 A 1061 1028 9.78      
18 A 919 890 33.57      
19 A 880 852 26.71      
20 A 832 806 62.06      
21 A 712 690 75.89      
22 A 367 355 0.60      
23 A 182 176 0.00      
24 A 160 155 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 14227.6 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 13778.0 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 B3LYP/CEP-31G
ABC
0.15012 0.08561 0.07657

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.236 0.568 0.000
O2 0.609 1.319 1.437
O3 0.609 1.319 -1.437
C4 -1.473 -0.345 0.000
H5 -2.465 0.101 0.000
C6 -0.914 -1.591 0.000
H7 -1.436 -2.549 0.000
C8 0.609 -1.413 0.000
H9 1.144 -1.692 0.918
H10 1.144 -1.692 -0.918

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.66391.66391.93772.74142.44603.53692.01572.60242.6024
O21.66392.87463.02793.60543.58484.60503.08703.10153.8596
O31.66392.87463.02793.60543.58484.60503.08703.85963.1015
C41.93773.02793.02791.08781.36552.20422.33973.08323.0832
H52.74143.60543.60541.08782.29532.84273.42664.13334.1333
C62.44603.58483.58481.36552.29531.09101.53302.25592.2559
H73.53694.60504.60502.20422.84271.09102.33882.86962.8696
C82.01573.08703.08702.33973.42661.53302.33881.09871.0987
H92.60243.10153.85963.08324.13332.25592.86961.09871.8359
H102.60243.85963.10153.08324.13332.25592.86961.09871.8359

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 127.693 S1 C4 C6 93.940
S1 C8 C6 86.006 S1 C8 H9 109.829
S1 C8 H10 109.829 O2 S1 O3 119.491
O2 S1 C4 114.217 O2 S1 C8 113.713
O3 S1 C4 114.217 O3 S1 C8 113.713
C4 S1 C8 72.543 C4 C6 H7 127.254
C4 C6 C8 107.511 H5 C4 C6 138.367
C6 C8 H9 117.052 C6 C8 H10 117.052
H7 C6 C8 125.235 H9 C8 H10 113.343
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.554      
2 O -0.438      
3 O -0.438      
4 C -0.243      
5 H 0.321      
6 C -0.169      
7 H 0.308      
8 C -0.352      
9 H 0.228      
10 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.746 -6.562 0.000 7.114
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.157 -4.163 0.000
y -4.163 -42.793 0.000
z 0.000 0.000 -51.049
Traceless
 xyz
x 9.764 -4.163 0.000
y -4.163 1.310 0.000
z 0.000 0.000 -11.075
Polar
3z2-r2-22.149
x2-y25.636
xy-4.163
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.026 0.816 0.000
y 0.816 11.117 0.000
z 0.000 0.000 7.601


<r2> (average value of r2) Å2
<r2> 136.414
(<r2>)1/2 11.680