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: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-665.276920
Energy at 298.15K-665.282796
Nuclear repulsion energy318.925330
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 B1B95/6-311G**
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 3266 3136 1.02      
2 A 3221 3093 1.22      
3 A 3094 2970 2.47      
4 A 1637 1572 1.52      
5 A 1450 1392 5.42      
6 A 1278 1227 37.34      
7 A 1204 1156 93.48      
8 A 1153 1107 128.76      
9 A 1038 997 2.51      
10 A 981 942 4.41      
11 A 840 807 3.35      
12 A 738 709 50.78      
13 A 624 599 31.77      
14 A 422 405 21.95      
15 A 407 390 14.78      
16 A 3166 3039 0.42      
17 A 1351 1297 230.06      
18 A 1082 1039 1.44      
19 A 937 900 1.52      
20 A 914 877 2.44      
21 A 716 687 70.11      
22 A 424 408 1.27      
23 A 262 252 0.34      
24 A 206 198 1.03      

Unscaled Zero Point Vibrational Energy (zpe) 15205.2 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 14598.5 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 B1B95/6-311G**
ABC
0.17997 0.10114 0.09497

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.217 0.451 0.000
O2 0.561 1.087 1.258
O3 0.561 1.087 -1.258
C4 -1.411 -0.280 0.000
H5 -2.394 0.167 0.000
C6 -0.936 -1.522 0.000
H7 -1.480 -2.457 0.000
C8 0.561 -1.356 0.000
H9 1.076 -1.686 0.901
H10 1.076 -1.686 -0.901

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.45041.45041.78472.62582.28543.36701.84032.47372.4737
O21.45042.51552.70873.33993.25994.27812.74792.84273.5518
O31.45042.51552.70873.33993.25994.27812.74793.55182.8427
C41.78472.70872.70871.07911.33062.17832.24682.99612.9961
H52.62583.33993.33991.07912.23162.77853.32404.03544.0354
C62.28543.25993.25991.33062.23161.08161.50542.21022.2102
H73.36704.27814.27812.17832.77851.08162.31842.81762.8176
C81.84032.74792.74792.24683.32401.50542.31841.08931.0893
H92.47372.84273.55182.99614.03542.21022.81761.08931.8027
H102.47373.55182.84272.99614.03542.21022.81761.08931.8027

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 131.362 S1 C4 C6 93.231
S1 C8 C6 85.553 S1 C8 H9 112.684
S1 C8 H10 112.684 O2 S1 O3 120.261
O2 S1 C4 113.308 O2 S1 C8 112.704
O3 S1 C4 113.308 O3 S1 C8 112.704
C4 S1 C8 76.589 C4 C6 H7 128.830
C4 C6 C8 104.627 H5 C4 C6 135.407
C6 C8 H9 115.901 C6 C8 H10 115.901
H7 C6 C8 126.543 H9 C8 H10 111.677
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.913      
2 O -0.470      
3 O -0.470      
4 C -0.154      
5 H 0.152      
6 C -0.170      
7 H 0.152      
8 C -0.349      
9 H 0.198      
10 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.234 -4.675 0.000 5.181
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.156 -2.938 0.000
y -2.938 -40.381 0.000
z 0.000 0.000 -47.902
Traceless
 xyz
x 6.986 -2.938 0.000
y -2.938 2.147 0.000
z 0.000 0.000 -9.133
Polar
3z2-r2-18.266
x2-y23.226
xy-2.938
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.479 0.218 0.000
y 0.218 9.013 0.000
z 0.000 0.000 6.207


<r2> (average value of r2) Å2
<r2> 147.472
(<r2>)1/2 12.144