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: TPSSh/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at TPSSh/6-31G*
 hartrees
Energy at 0K-665.258730
Energy at 298.15K-665.264497
HF Energy-665.258730
Nuclear repulsion energy315.605321
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 TPSSh/6-31G*
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' 3275 3142 0.81      
2 A' 3230 3099 2.44      
3 A' 3095 2970 5.62      
4 A' 1624 1558 1.02      
5 A' 1490 1429 1.59      
6 A' 1289 1236 25.83      
7 A' 1208 1159 47.75      
8 A' 1130 1084 134.61      
9 A' 1051 1009 7.30      
10 A' 975 936 2.92      
11 A' 834 800 2.22      
12 A' 724 694 47.22      
13 A' 609 585 27.76      
14 A' 411 394 18.18      
15 A' 388 372 10.18      
16 A" 3163 3034 1.59      
17 A" 1322 1269 202.77      
18 A" 1090 1046 0.95      
19 A" 947 909 2.92      
20 A" 905 868 0.88      
21 A" 725 696 66.74      
22 A" 425 407 1.50      
23 A" 248 238 0.33      
24 A" 206 198 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 15181.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 14565.0 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 TPSSh/6-31G*
ABC
0.17657 0.09907 0.09276

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.217 0.452 0.000
O2 0.565 1.091 1.261
O3 0.565 1.091 -1.261
C4 -1.414 -0.276 0.000
H5 -2.400 0.174 0.000
C6 -0.946 -1.533 0.000
H7 -1.489 -2.473 0.000
C8 0.565 -1.358 0.000
H9 1.082 -1.698 0.902
H10 1.082 -1.698 -0.902

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.45621.45621.78602.63162.30083.38601.84302.48662.4866
O21.45622.52272.71593.35013.28044.30242.75452.85893.5668
O31.45622.52272.71593.35013.28044.30242.75453.56682.8589
C41.78602.71592.71591.08361.34182.19882.25583.01143.0114
H52.63163.35013.35011.08362.24252.80003.33744.05524.0552
C62.30083.28043.28041.34182.24251.08521.52132.22612.2261
H73.38604.30244.30242.19882.80001.08522.33682.83262.8326
C81.84302.75452.75452.25583.33741.52132.33681.09371.0937
H92.48662.85893.56683.01144.05522.22612.83261.09371.8031
H102.48663.56682.85893.01144.05522.22612.83261.09371.8031

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 131.430 S1 C4 C6 93.628
S1 C8 C6 85.729 S1 C8 H9 113.238
S1 C8 H10 113.238 O2 S1 O3 120.041
O2 S1 C4 113.401 O2 S1 C8 112.685
O3 S1 C4 113.401 O3 S1 C8 112.685
C4 S1 C8 76.847 C4 C6 H7 129.610
C4 C6 C8 103.796 H5 C4 C6 134.942
C6 C8 H9 115.733 C6 C8 H10 115.733
H7 C6 C8 126.593 H9 C8 H10 111.046
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.118      
2 O -0.498      
3 O -0.498      
4 C -0.335      
5 H 0.212      
6 C -0.110      
7 H 0.205      
8 C -0.552      
9 H 0.228      
10 H 0.228      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.116 -4.439 0.000 4.918
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.282 0.255 0.000
y 0.255 8.775 0.000
z 0.000 0.000 5.909


<r2> (average value of r2) Å2
<r2> 149.613
(<r2>)1/2 12.232