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

using model chemistry: LSDA/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at LSDA/3-21G*
 hartrees
Energy at 0K-659.537630
Energy at 298.15K-659.543383
Nuclear repulsion energy316.598038
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 LSDA/3-21G*
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 3224 3166 2.20      
2 A 3183 3126 2.10      
3 A 3029 2974 0.05      
4 A 1569 1541 1.31      
5 A 1423 1397 13.36      
6 A 1248 1226 26.09      
7 A 1182 1160 160.78      
8 A 1132 1112 2.66      
9 A 1032 1014 0.94      
10 A 956 939 8.13      
11 A 829 814 0.89      
12 A 702 689 58.50      
13 A 610 599 30.16      
14 A 412 405 12.75      
15 A 384 377 4.36      
16 A 3100 3045 0.16      
17 A 1385 1360 139.68      
18 A 1071 1051 0.79      
19 A 936 920 2.47      
20 A 875 859 2.08      
21 A 732 718 95.08      
22 A 414 407 3.37      
23 A 250 245 0.31      
24 A 213 209 0.70      

Unscaled Zero Point Vibrational Energy (zpe) 14944.5 cm-1
Scaled (by 0.982) Zero Point Vibrational Energy (zpe) 14675.5 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 LSDA/3-21G*
ABC
0.17807 0.09958 0.09344

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.216 0.452 0.000
O2 0.564 1.100 1.265
O3 0.564 1.100 -1.265
C4 -1.413 -0.280 0.000
H5 -2.412 0.149 0.000
C6 -0.943 -1.539 0.000
H7 -1.487 -2.483 0.000
C8 0.564 -1.364 0.000
H9 1.080 -1.705 0.913
H10 1.080 -1.705 -0.913

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.46351.46351.78652.64622.30403.39351.84962.49642.4964
O21.46352.53062.72313.37123.29194.31812.77042.87373.5887
O31.46352.53062.72313.37123.29194.31812.77043.58872.8737
C41.78652.72312.72311.08751.34382.20412.25523.01323.0132
H52.64623.37123.37121.08752.23792.78993.33934.05804.0580
C62.30403.29193.29191.34382.23791.08951.51732.22572.2257
H73.39354.31814.31812.20412.78991.08952.33632.83352.8335
C81.84962.77042.77042.25523.33931.51732.33631.10251.1025
H92.49642.87373.58873.01324.05802.22572.83351.10251.8260
H102.49643.58872.87373.01324.05802.22572.83351.10251.8260

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 132.568 S1 C4 C6 93.715
S1 C8 C6 85.763 S1 C8 H9 113.032
S1 C8 H10 113.032 O2 S1 O3 119.673
O2 S1 C4 113.464 O2 S1 C8 112.964
O3 S1 C4 113.464 O3 S1 C8 112.964
C4 S1 C8 76.645 C4 C6 H7 129.564
C4 C6 C8 103.877 H5 C4 C6 133.717
C6 C8 H9 115.418 C6 C8 H10 115.418
H7 C6 C8 126.559 H9 C8 H10 111.813
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.065      
2 O -0.366      
3 O -0.366      
4 C -0.474      
5 H 0.244      
6 C -0.165      
7 H 0.247      
8 C -0.736      
9 H 0.275      
10 H 0.275      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.785 -3.877 0.000 4.268
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.889 -2.497 0.000
y -2.497 -39.762 0.000
z 0.000 0.000 -46.432
Traceless
 xyz
x 6.208 -2.497 0.000
y -2.497 1.899 0.000
z 0.000 0.000 -8.106
Polar
3z2-r2-16.212
x2-y22.873
xy-2.497
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.759 0.224 0.000
y 0.224 8.095 0.000
z 0.000 0.000 5.219


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