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All results from a given calculation for C3H6S (Thietane)

using model chemistry: CISD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CISD/6-31G*
 hartrees
Energy at 0K-515.059224
Energy at 298.15K-515.066442
HF Energy-514.581247
Nuclear repulsion energy164.855685
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 CISD/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' 3257 3015 31.87      
2 A' 3222 2983 11.28      
3 A' 3193 2956 15.61      
4 A' 3171 2936 31.14      
5 A' 1606 1487 1.60      
6 A' 1573 1457 3.26      
7 A' 1353 1253 2.49      
8 A' 1275 1181 1.09      
9 A' 1057 978 3.06      
10 A' 1001 926 0.09      
11 A' 911 844 3.53      
12 A' 756 700 2.86      
13 A' 572 530 2.13      
14 A' 161 149 1.68      
15 A" 3253 3011 6.75      
16 A" 3191 2954 59.58      
17 A" 1579 1462 0.13      
18 A" 1392 1288 2.23      
19 A" 1330 1231 15.69      
20 A" 1274 1179 5.27      
21 A" 1100 1018 0.09      
22 A" 1044 966 0.30      
23 A" 879 814 0.03      
24 A" 742 687 1.73      

Unscaled Zero Point Vibrational Energy (zpe) 19445.5 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 18002.6 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 CISD/6-31G*
ABC
0.34039 0.22368 0.14876

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.360 1.027 0.000
C2 -0.217 -0.290 1.141
C3 -0.217 -0.290 -1.141
C4 -0.217 -1.321 0.000
H5 -1.212 -0.073 1.523
H6 0.453 -0.491 1.973
H7 -1.212 -0.073 -1.523
H8 0.453 -0.491 -1.973
H9 -1.052 -2.022 0.000
H10 0.712 -1.889 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 H5 H6 H7 H8 H9 H10
S11.83521.83522.41802.45022.49092.45022.49093.36042.9373
C21.83522.28121.53771.08821.08692.85173.19092.23602.1729
C31.83522.28121.53772.85173.19091.08821.08692.23602.1729
C42.41801.53771.53772.20612.24262.20612.24261.09041.0889
H52.45021.08822.85172.20611.77483.04583.89442.47853.0528
H62.49091.08693.19092.24261.77483.89443.94542.91562.4318
H72.45022.85171.08822.20613.04583.89441.77482.47853.0528
H82.49093.19091.08692.24263.89443.94541.77482.91562.4318
H93.36042.23602.23601.09042.47852.91562.47852.91561.7689
H102.93732.17292.17291.08893.05282.43183.05282.43181.7689

picture of Thietane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 91.159 S1 C2 H5 111.307
S1 C2 H6 114.513 S1 C3 C4 91.159
S1 C3 H7 111.307 S1 C3 H8 114.513
C2 S1 C3 76.853 C2 C4 C3 95.763
C2 C4 H9 115.556 C2 C4 H10 110.475
C3 C4 H9 115.556 C3 C4 H10 110.475
C4 C2 H5 113.194 C4 C2 H6 116.349
C4 C3 H7 113.194 C4 C3 H8 116.349
H5 C2 H6 109.361 H7 C3 H8 109.361
H9 C4 H10 108.528
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability