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

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-664.818110
Energy at 298.15K-664.823786
Nuclear repulsion energy316.280903
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 PBEPBE/6-31G(2df,p)
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 3188 3155 0.52      
2 A 3142 3110 1.36      
3 A 3010 2979 3.70      
4 A 1568 1552 0.70      
5 A 1394 1380 2.63      
6 A 1227 1215 28.25      
7 A 1157 1145 114.31      
8 A 1109 1098 39.53      
9 A 1000 990 1.10      
10 A 953 943 4.50      
11 A 806 798 1.70      
12 A 692 685 40.41      
13 A 592 586 25.88      
14 A 405 401 13.36      
15 A 385 381 6.44      
16 A 3080 3049 0.60      
17 A 1323 1310 160.72      
18 A 1039 1028 1.45      
19 A 907 898 2.12      
20 A 857 848 1.84      
21 A 696 689 47.69      
22 A 412 408 2.01      
23 A 250 247 0.15      
24 A 204 202 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 14699.2 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 14547.8 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 PBEPBE/6-31G(2df,p)
ABC
0.17733 0.09920 0.09341

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.219 0.456 0.000
O2 0.564 1.098 1.264
O3 0.564 1.098 -1.264
C4 -1.422 -0.279 0.000
H5 -2.416 0.166 0.000
C6 -0.942 -1.536 0.000
H7 -1.490 -2.481 0.000
C8 0.564 -1.375 0.000
H9 1.089 -1.709 0.908
H10 1.089 -1.709 -0.908

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.45921.45921.79882.65142.30623.39801.86412.50382.5038
O21.45922.52862.72783.36893.28724.31552.77802.87763.5878
O31.45922.52862.72783.36893.28724.31552.77803.58782.8776
C41.79882.72782.72781.08891.34572.20282.26913.02943.0294
H52.65143.36893.36891.08892.25172.80443.35554.07784.0778
C62.30623.28723.28721.34572.25171.09191.51482.23182.2318
H73.39804.31554.31552.20282.80441.09192.33212.84092.8409
C81.86412.77802.77802.26913.35551.51482.33211.10051.1005
H92.50382.87763.58783.02944.07782.23182.84091.10051.8158
H102.50383.58782.87763.02944.07782.23182.84091.10051.8158

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 131.744 S1 C4 C6 93.220
S1 C8 C6 85.418 S1 C8 H9 112.695
S1 C8 H10 112.695 O2 S1 O3 120.101
O2 S1 C4 113.298 O2 S1 C8 112.853
O3 S1 C4 113.298 O3 S1 C8 112.853
C4 S1 C8 76.532 C4 C6 H7 129.001
C4 C6 C8 104.829 H5 C4 C6 135.036
C6 C8 H9 116.262 C6 C8 H10 116.262
H7 C6 C8 126.170 H9 C8 H10 111.171
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.477      
2 O -0.240      
3 O -0.240      
4 C -0.192      
5 H 0.154      
6 C -0.058      
7 H 0.146      
8 C -0.379      
9 H 0.166      
10 H 0.166      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.936 -3.977 0.000 4.423
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.620 -2.340 0.000
y -2.340 -39.264 0.000
z 0.000 0.000 -45.666
Traceless
 xyz
x 5.845 -2.340 0.000
y -2.340 1.879 0.000
z 0.000 0.000 -7.724
Polar
3z2-r2-15.447
x2-y22.644
xy-2.340
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.859 0.324 0.000
y 0.324 9.192 0.000
z 0.000 0.000 6.329


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