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

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-275.177009
Energy at 298.15K-275.182407
Nuclear repulsion energy192.569522
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 HF/LANL2DZ
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 3506 3155 7.39      
2 A 3459 3113 2.74      
3 A 3314 2982 2.45      
4 A 1751 1576 0.45      
5 A 1602 1442 9.80      
6 A 1386 1248 13.99      
7 A 1338 1204 19.34      
8 A 1154 1039 0.63      
9 A 1038 934 4.90      
10 A 915 824 3.79      
11 A 754 678 14.69      
12 A 720 648 11.19      
13 A 516 465 0.57      
14 A 293 264 39.74      
15 A 281 253 37.16      
16 A 3413 3072 0.01      
17 A 1211 1090 5.90      
18 A 1060 954 0.07      
19 A 1031 928 2.44      
20 A 877 789 97.99      
21 A 777 700 44.37      
22 A 427 384 0.17      
23 A 230 207 0.01      
24 A 179 161 2.17      

Unscaled Zero Point Vibrational Energy (zpe) 15616.6 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 14053.4 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 HF/LANL2DZ
ABC
0.15426 0.09287 0.08119

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.042 0.607 0.000
O2 -0.042 1.430 1.437
O3 -0.042 1.430 -1.437
C4 -1.106 -0.890 0.000
H5 -2.171 -0.943 0.000
C6 -0.090 -1.752 0.000
H7 -0.108 -2.820 0.000
C8 1.149 -0.862 0.000
H9 1.746 -0.870 0.894
H10 1.746 -0.870 -0.894

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.65611.65611.83682.63302.35943.42751.89152.48652.4865
O21.65612.87462.92923.49663.49164.48652.95612.96403.7319
O31.65612.87462.92923.49663.49164.48652.95613.73192.9640
C41.83682.92922.92921.06571.33252.17222.25522.98962.9896
H52.63303.49663.49661.06572.23252.78833.32044.01854.0185
C62.35943.49163.49161.33252.23251.06811.52492.22452.2245
H73.42754.48654.48652.17222.78831.06812.32642.83552.8355
C81.89152.95612.95612.25523.32041.52492.32641.07571.0757
H92.48652.96403.73192.98964.01852.22452.83551.07571.7887
H102.48653.73192.96402.98964.01852.22452.83551.07571.7887

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 128.234 S1 C4 C6 94.893
S1 C8 C6 86.658 S1 C8 H9 110.838
S1 C8 H10 110.838 O2 S1 O3 120.426
O2 S1 C4 113.890 O2 S1 C8 112.700
O3 S1 C4 113.890 O3 S1 C8 112.700
C4 S1 C8 74.423 C4 C6 H7 129.285
C4 C6 C8 104.025 H5 C4 C6 136.873
C6 C8 H9 116.539 C6 C8 H10 116.539
H7 C6 C8 126.689 H9 C8 H10 112.496
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.175      
2 O -0.700      
3 O -0.700      
4 C -0.295      
5 H 0.280      
6 C -0.087      
7 H 0.260      
8 C -0.486      
9 H 0.277      
10 H 0.277      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.648 -7.878 0.000 7.905
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.000 -0.387 0.000
y -0.387 -46.372 0.000
z 0.000 0.000 -53.599
Traceless
 xyz
x 14.985 -0.387 0.000
y -0.387 -2.073 0.000
z 0.000 0.000 -12.913
Polar
3z2-r2-25.825
x2-y211.372
xy-0.387
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.024 -0.837 0.000
y -0.837 9.503 0.000
z 0.000 0.000 6.888


<r2> (average value of r2) Å2
<r2> 161.832
(<r2>)1/2 12.721