return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: HF/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-663.047696
Energy at 298.15K-663.053972
Nuclear repulsion energy320.299936
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/cc-pVDZ
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 3422 3107 2.39      
2 A 3381 3070 0.94      
3 A 3239 2941 4.68      
4 A 1768 1605 6.06      
5 A 1560 1417 3.24      
6 A 1393 1265 53.88      
7 A 1320 1198 48.37      
8 A 1225 1112 221.34      
9 A 1125 1021 8.59      
10 A 1024 929 3.74      
11 A 929 843 5.45      
12 A 822 747 56.65      
13 A 693 630 31.89      
14 A 466 423 35.25      
15 A 455 414 30.69      
16 A 3315 3010 0.73      
17 A 1414 1284 285.79      
18 A 1184 1075 0.42      
19 A 1037 942 1.44      
20 A 1011 918 6.15      
21 A 801 727 71.34      
22 A 471 427 0.33      
23 A 289 263 0.33      
24 A 223 203 1.89      

Unscaled Zero Point Vibrational Energy (zpe) 16282.9 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 14784.9 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/cc-pVDZ
ABC
0.18258 0.10163 0.09572

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.021 0.492 0.000
O2 -0.021 1.223 1.246
O3 -0.021 1.223 -1.246
C4 -1.103 -0.913 0.000
H5 -2.179 -0.989 0.000
C6 -0.108 -1.789 0.000
H7 -0.145 -2.869 0.000
C8 1.131 -0.913 0.000
H9 1.742 -0.953 0.900
H10 1.742 -0.953 -0.900

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.44441.44441.77402.61792.28283.36391.81732.45112.4511
O21.44442.49182.69973.33253.26074.27972.72822.82213.5283
O31.44442.49182.69973.33253.26074.27972.72823.52832.8221
C41.77402.69972.69971.07881.32562.17792.23442.98452.9845
H52.61793.33253.33251.07882.22052.76993.31154.02364.0236
C62.28283.26073.26071.32562.22051.08111.51732.22042.2204
H73.36394.27974.27972.17792.76991.08112.33592.83612.8361
C81.81732.72822.72822.23443.31151.51732.33591.08831.0883
H92.45112.82213.52832.98454.02362.22042.83611.08831.7997
H102.45113.52832.82212.98454.02362.22042.83611.08831.7997

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 131.619 S1 C4 C6 93.742
S1 C8 C6 85.904 S1 C8 H9 112.605
S1 C8 H10 112.605 O2 S1 O3 119.206
O2 S1 C4 113.641 O2 S1 C8 113.030
O3 S1 C4 113.641 O3 S1 C8 113.030
C4 S1 C8 76.939 C4 C6 H7 129.346
C4 C6 C8 103.414 H5 C4 C6 134.639
C6 C8 H9 115.918 C6 C8 H10 115.918
H7 C6 C8 127.240 H9 C8 H10 111.542
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.149 1.312    
2 O -0.588 -0.644    
3 O -0.588 -0.644    
4 C -0.151 -0.391    
5 H 0.066 0.227    
6 C -0.061 -0.032    
7 H 0.064 0.147    
8 C -0.090 -0.145    
9 H 0.099 0.085    
10 H 0.099 0.085    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.270 -5.632 0.000 5.639
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.259 -0.325 0.000
y -0.325 -42.306 0.000
z 0.000 0.000 -48.836
Traceless
 xyz
x 10.311 -0.325 0.000
y -0.325 -0.258 0.000
z 0.000 0.000 -10.053
Polar
3z2-r2-20.106
x2-y27.046
xy-0.325
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.083 -0.618 0.000
y -0.618 7.922 0.000
z 0.000 0.000 5.460


<r2> (average value of r2) Å2
<r2> 146.728
(<r2>)1/2 12.113