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

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-660.058623
Energy at 298.15K-660.063976
HF Energy-659.453589
Nuclear repulsion energy298.280411
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 MP2/3-21G
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 3314 3163 0.68      
2 A 3260 3111 0.35      
3 A 3139 2996 0.58      
4 A 1558 1487 2.07      
5 A 1510 1441 3.25      
6 A 1284 1225 18.23      
7 A 1169 1116 23.99      
8 A 1062 1014 1.52      
9 A 1050 1002 109.98      
10 A 943 900 2.45      
11 A 764 729 5.90      
12 A 564 538 93.11      
13 A 534 510 54.22      
14 A 364 348 2.04      
15 A 297 284 3.10      
16 A 3225 3078 0.02      
17 A 1209 1154 147.18      
18 A 1116 1066 0.08      
19 A 974 930 11.08      
20 A 843 805 40.42      
21 A 750 716 46.21      
22 A 391 373 0.31      
23 A 199 189 0.78      
24 A 194 185 2.04      

Unscaled Zero Point Vibrational Energy (zpe) 14855.5 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 14179.6 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 MP2/3-21G
ABC
0.16379 0.08646 0.08019

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.216 0.494 0.000
O2 0.583 1.232 1.340
O3 0.583 1.232 -1.340
C4 -1.493 -0.433 0.000
H5 -2.515 -0.086 0.000
C6 -0.932 -1.657 0.000
H7 -1.437 -2.614 0.000
C8 0.583 -1.475 0.000
H9 1.109 -1.759 0.913
H10 1.109 -1.759 -0.913

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.57271.57271.94452.79192.43853.52072.00292.58982.5898
O21.57272.67912.97923.62293.52674.54643.02053.06703.7814
O31.57272.67912.97923.62293.52674.54643.02053.78143.0670
C41.94452.97922.97921.07851.34732.18262.32333.06043.0604
H52.79193.62293.62291.07852.23012.74833.39474.09444.0944
C62.43853.52673.52671.34732.23011.08221.52582.23832.2383
H73.52074.54644.54642.18262.74831.08222.31912.83682.8368
C82.00293.02053.02052.32333.39471.52582.31911.09141.0914
H92.58983.06703.78143.06044.09442.23832.83681.09141.8262
H102.58983.78143.06703.06044.09442.23832.83681.09141.8262

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 132.810 S1 C4 C6 93.830
S1 C8 C6 86.311 S1 C8 H9 110.128
S1 C8 H10 110.128 O2 S1 O3 116.798
O2 S1 C4 115.370 O2 S1 C8 114.757
O3 S1 C4 115.370 O3 S1 C8 114.757
C4 S1 C8 72.093 C4 C6 H7 127.555
C4 C6 C8 107.765 H5 C4 C6 133.360
C6 C8 H9 116.584 C6 C8 H10 116.584
H7 C6 C8 124.680 H9 C8 H10 113.565
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.455     1.022
2 O -0.559     -0.505
3 O -0.559     -0.505
4 C -0.527     -0.313
5 H 0.246     0.218
6 C -0.123     -0.112
7 H 0.247     0.181
8 C -0.693     -0.277
9 H 0.257     0.144
10 H 0.257     0.144


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.154 -4.807 0.000 5.267
CHELPG        
AIM        
ESP -2.140 -4.849 0.000 5.300


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.638 -2.985 0.000
y -2.985 -43.275 0.000
z 0.000 0.000 -49.918
Traceless
 xyz
x 7.958 -2.985 0.000
y -2.985 1.003 0.000
z 0.000 0.000 -8.962
Polar
3z2-r2-17.923
x2-y24.637
xy-2.985
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.146 0.632 0.000
y 0.632 9.304 0.000
z 0.000 0.000 5.858


<r2> (average value of r2) Å2
<r2> 167.287
(<r2>)1/2 12.934