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 C3H6S (Thietane)

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-29.875560
Energy at 298.15K-29.882788
Nuclear repulsion energy65.870210
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/CEP-121G*
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' 3303 2984 75.79      
2 A' 3261 2946 16.42      
3 A' 3241 2928 29.96      
4 A' 3211 2901 51.64      
5 A' 1653 1493 1.10      
6 A' 1613 1457 1.85      
7 A' 1395 1261 6.94      
8 A' 1309 1183 0.60      
9 A' 1075 972 2.64      
10 A' 1003 906 0.07      
11 A' 912 824 5.66      
12 A' 772 697 4.50      
13 A' 592 535 3.29      
14 A' 128 116 1.86      
15 A" 3297 2979 8.86      
16 A" 3236 2924 112.32      
17 A" 1625 1468 0.75      
18 A" 1434 1296 1.78      
19 A" 1367 1235 15.42      
20 A" 1319 1192 9.35      
21 A" 1124 1016 0.03      
22 A" 1047 946 0.45      
23 A" 888 802 0.07      
24 A" 759 685 4.28      

Unscaled Zero Point Vibrational Energy (zpe) 19782.3 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 17871.3 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/CEP-121G*
ABC
0.33667 0.22178 0.14625

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.085 1.376 0.000
C2 -0.085 -0.064 1.154
C3 -0.085 -0.064 -1.154
C4 0.257 -1.040 0.000
H5 -1.069 -0.204 1.584
H6 0.643 0.039 1.949
H7 -1.069 -0.204 -1.584
H8 0.643 0.039 -1.949
H9 -0.308 -1.968 0.000
H10 1.315 -1.283 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 H5 H6 H7 H8 H9 H10
S11.84531.84532.44012.44412.47292.44412.47293.35133.0048
C21.84532.30761.54941.08351.08262.91283.18852.23722.1853
C31.84532.30761.54942.91283.18851.08351.08262.23722.1853
C42.44011.54941.54942.22902.26062.22902.26061.08641.0849
H52.44411.08352.91282.22901.76743.16783.93332.49033.0591
H62.47291.08263.18852.26061.76743.93333.89772.95442.4488
H72.44412.91281.08352.22903.16783.93331.76742.49033.0591
H82.47293.18851.08262.26063.93333.89771.76742.95442.4488
H93.35132.23722.23721.08642.49032.95442.49032.95441.7610
H103.00482.18532.18531.08493.05912.44883.05912.44881.7610

picture of Thietane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 91.484 S1 C2 H5 110.403
S1 C2 H6 112.636 S1 C3 C4 91.484
S1 C3 H7 110.403 S1 C3 H8 112.636
C2 S1 C3 77.402 C2 C4 C3 96.267
C2 C4 H9 115.030 C2 C4 H10 110.873
C3 C4 H9 115.030 C3 C4 H10 110.873
C4 C2 H5 114.533 C4 C2 H6 117.284
C4 C3 H7 114.533 C4 C3 H8 117.284
H5 C2 H6 109.361 H7 C3 H8 109.361
H9 C4 H10 108.393
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.088      
2 C -0.343      
3 C -0.343      
4 C -0.309      
5 H 0.180      
6 H 0.190      
7 H 0.180      
8 H 0.190      
9 H 0.176      
10 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.055 -2.277 0.000 2.278
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.522 0.282 0.000
y 0.282 -35.539 0.000
z 0.000 0.000 -29.069
Traceless
 xyz
x -0.218 0.282 0.000
y 0.282 -4.744 0.000
z 0.000 0.000 4.961
Polar
3z2-r29.923
x2-y23.017
xy0.282
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.853 -0.020 0.000
y -0.020 7.938 0.000
z 0.000 0.000 7.479


<r2> (average value of r2) Å2
<r2> 70.112
(<r2>)1/2 8.373