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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-665.186767
Energy at 298.15K-665.192677
Nuclear repulsion energy317.885790
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 mPW1PW91/6-31G**
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 3298 3138 1.49      
2 A 3255 3097 0.94      
3 A 3117 2965 2.03      
4 A 1652 1572 1.84      
5 A 1468 1397 3.98      
6 A 1296 1233 37.85      
7 A 1219 1160 87.09      
8 A 1164 1107 112.75      
9 A 1057 1006 2.40      
10 A 987 939 4.87      
11 A 853 812 3.23      
12 A 752 715 49.48      
13 A 634 604 29.91      
14 A 427 406 20.69      
15 A 409 389 12.84      
16 A 3191 3036 0.12      
17 A 1365 1299 219.30      
18 A 1093 1040 0.97      
19 A 951 905 2.13      
20 A 922 877 1.26      
21 A 735 699 69.57      
22 A 436 415 1.65      
23 A 260 247 0.33      
24 A 213 203 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 15375.2 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 14629.5 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 mPW1PW91/6-31G**
ABC
0.17897 0.10052 0.09432

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.215 0.450 0.000
O2 0.563 1.093 1.262
O3 0.563 1.093 -1.262
C4 -1.413 -0.281 0.000
H5 -2.398 0.165 0.000
C6 -0.938 -1.529 0.000
H7 -1.482 -2.466 0.000
C8 0.563 -1.359 0.000
H9 1.083 -1.689 0.901
H10 1.083 -1.689 -0.901

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.45831.45831.78512.62882.29043.37401.84232.47842.4784
O21.45832.52432.71743.34943.27364.29382.75762.85333.5626
O31.45832.52432.71743.34943.27364.29382.75763.56262.8533
C41.78512.71742.71741.08121.33542.18612.25073.00413.0041
H52.62883.34943.34941.08122.23662.78633.32994.04554.0455
C62.29043.27363.27361.33542.23661.08361.50982.21802.2180
H73.37404.29384.29382.18612.78631.08362.32462.82672.8267
C81.84232.75762.75762.25073.32991.50982.32461.09181.0918
H92.47842.85333.56263.00414.04552.21802.82671.09181.8027
H102.47843.56262.85333.00414.04552.21802.82671.09181.8027

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 131.442 S1 C4 C6 93.317
S1 C8 C6 85.592 S1 C8 H9 112.766
S1 C8 H10 112.766 O2 S1 O3 119.883
O2 S1 C4 113.439 O2 S1 C8 112.820
O3 S1 C4 113.439 O3 S1 C8 112.820
C4 S1 C8 76.685 C4 C6 H7 129.007
C4 C6 C8 104.406 H5 C4 C6 135.241
C6 C8 H9 116.054 C6 C8 H10 116.054
H7 C6 C8 126.586 H9 C8 H10 111.295
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.142      
2 O -0.508      
3 O -0.508      
4 C -0.303      
5 H 0.180      
6 C -0.084      
7 H 0.175      
8 C -0.501      
9 H 0.203      
10 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.158 -4.536 0.000 5.023
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.602 -2.798 0.000
y -2.798 -39.702 0.000
z 0.000 0.000 -46.978
Traceless
 xyz
x 6.738 -2.798 0.000
y -2.798 2.088 0.000
z 0.000 0.000 -8.826
Polar
3z2-r2-17.653
x2-y23.100
xy-2.798
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> 147.779
(<r2>)1/2 12.156