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: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-516.126994
Energy at 298.15K-516.134017
HF Energy-516.126994
Nuclear repulsion energy163.974441
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(2df,p)
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' 3133 3024 34.05      
2 A' 3102 2993 7.66      
3 A' 3066 2959 21.15      
4 A' 3047 2941 42.21      
5 A' 1513 1460 2.25      
6 A' 1490 1438 1.62      
7 A' 1253 1209 3.73      
8 A' 1205 1163 0.65      
9 A' 982 947 2.16      
10 A' 947 914 0.39      
11 A' 852 823 3.18      
12 A' 701 677 2.77      
13 A' 524 505 3.27      
14 A' 146 141 1.64      
15 A" 3128 3019 9.73      
16 A" 3064 2957 64.06      
17 A" 1488 1436 1.17      
18 A" 1313 1267 1.06      
19 A" 1258 1214 8.17      
20 A" 1188 1147 9.29      
21 A" 1027 991 0.04      
22 A" 992 957 0.06      
23 A" 816 788 0.03      
24 A" 688 664 2.82      

Unscaled Zero Point Vibrational Energy (zpe) 18461.5 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 17815.4 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(2df,p)
ABC
0.33613 0.22146 0.14724

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.320 1.047 0.000
C2 -0.194 -0.303 1.153
C3 -0.194 -0.303 -1.153
C4 -0.194 -1.331 0.000
H5 -1.183 -0.113 1.575
H6 0.517 -0.484 1.961
H7 -1.183 -0.113 -1.575
H8 0.517 -0.484 -1.961
H9 -1.041 -2.024 0.000
H10 0.729 -1.917 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 H5 H6 H7 H8 H9 H10
S11.84841.84842.43362.46732.49562.46732.49563.35902.9925
C21.84842.30631.54531.09251.09102.90873.19902.23802.1879
C31.84842.30631.54532.90873.19901.09251.09102.23802.1879
C42.43361.54531.54532.22412.25112.22412.25111.09401.0926
H52.46731.09252.90872.22411.78253.15093.94122.48083.0649
H62.49561.09103.19902.25111.78253.94123.92132.93962.4377
H72.46732.90871.09252.22413.15093.94121.78252.48083.0649
H82.49563.19901.09102.25113.94123.92131.78252.93962.4377
H93.35902.23802.23801.09402.48082.93962.48082.93961.7727
H102.99252.18792.18791.09263.06492.43773.06492.43771.7727

picture of Thietane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 91.184 S1 C2 H5 111.459
S1 C2 H6 113.705 S1 C3 C4 91.184
S1 C3 H7 111.459 S1 C3 H8 113.705
C2 S1 C3 77.199 C2 C4 C3 96.528
C2 C4 H9 114.906 C2 C4 H10 110.912
C3 C4 H9 114.906 C3 C4 H10 110.912
C4 C2 H5 113.853 C4 C2 H6 116.209
C4 C3 H7 113.853 C4 C3 H8 116.209
H5 C2 H6 109.445 H7 C3 H8 109.445
H9 C4 H10 108.333
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability