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

using model chemistry: B3LYP/CEP-121G*

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-121G*
 hartrees
Energy at 0K-61.349093
Energy at 298.15K-61.354809
Nuclear repulsion energy121.110766
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-121G*
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 3227 3128 1.31      
2 A 3184 3087 3.12      
3 A 3065 2972 9.01      
4 A 1587 1538 1.16      
5 A 1464 1419 2.08      
6 A 1259 1221 28.65      
7 A 1189 1152 37.34      
8 A 1104 1070 158.88      
9 A 1027 996 9.94      
10 A 949 920 2.72      
11 A 826 801 2.51      
12 A 707 686 46.72      
13 A 598 580 26.88      
14 A 402 389 20.70      
15 A 379 367 12.74      
16 A 3137 3041 3.87      
17 A 1278 1239 226.49      
18 A 1074 1041 0.94      
19 A 932 904 3.31      
20 A 892 865 1.94      
21 A 711 690 73.78      
22 A 421 408 1.32      
23 A 247 240 0.25      
24 A 206 200 0.97      

Unscaled Zero Point Vibrational Energy (zpe) 14932.5 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 14475.5 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 B3LYP/CEP-121G*
ABC
0.17411 0.09668 0.09075

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.245 0.540 0.000
O2 0.595 1.196 1.280
O3 0.595 1.196 -1.280
C4 -1.413 -0.227 0.000
H5 -2.404 0.217 0.000
C6 -0.924 -1.480 0.000
H7 -1.471 -2.422 0.000
C8 0.595 -1.315 0.000
H9 1.116 -1.644 0.905
H10 1.116 -1.644 -0.905

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.48081.48081.82672.66852.33413.42261.88772.51912.5191
O21.48082.56102.77423.40453.33324.35822.81882.91153.6214
O31.48082.56102.77423.40453.33324.35822.81883.62142.9115
C41.82672.77422.77421.08621.34472.19502.28363.03633.0363
H52.66853.40453.40451.08622.25162.79873.36784.08294.0829
C62.33413.33323.33321.34472.25161.08841.52852.23802.2380
H73.42264.35824.35822.19502.79871.08842.34362.84872.8487
C81.88772.81882.81882.28363.36781.52852.34361.09491.0949
H92.51912.91153.62143.03634.08292.23802.84871.09491.8110
H102.51913.62142.91153.03634.08292.23802.84871.09491.8110

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 131.020 S1 C4 C6 93.539
S1 C8 C6 85.511 S1 C8 H9 112.526
S1 C8 H10 112.526 O2 S1 O3 119.708
O2 S1 C4 113.610 O2 S1 C8 113.059
O3 S1 C4 113.610 O3 S1 C8 113.059
C4 S1 C8 75.855 C4 C6 H7 128.573
C4 C6 C8 105.094 H5 C4 C6 135.441
C6 C8 H9 116.119 C6 C8 H10 116.119
H7 C6 C8 126.333 H9 C8 H10 111.579
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.734      
2 O -0.416      
3 O -0.416      
4 C -0.146      
5 H 0.252      
6 C -0.252      
7 H 0.235      
8 C -0.429      
9 H 0.219      
10 H 0.219      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.200 -4.714 0.000 5.202
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.600 -3.235 0.000
y -3.235 -40.420 0.000
z 0.000 0.000 -47.301
Traceless
 xyz
x 7.260 -3.235 0.000
y -3.235 1.531 0.000
z 0.000 0.000 -8.791
Polar
3z2-r2-17.582
x2-y23.820
xy-3.235
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.029 0.268 0.000
y 0.268 9.698 0.000
z 0.000 0.000 6.698


<r2> (average value of r2) Å2
<r2> 121.174
(<r2>)1/2 11.008