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All results from a given calculation for C3H6S (Thietane)

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-515.139841
Energy at 298.15K-515.146989
HF Energy-514.580500
Nuclear repulsion energy164.038653
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 QCISD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3171 3020 32.41      
2 A' 3138 2988 11.91      
3 A' 3107 2959 14.97      
4 A' 3088 2941 32.07      
5 A' 1565 1490 1.49      
6 A' 1535 1462 3.23      
7 A' 1312 1249 2.63      
8 A' 1240 1181 1.10      
9 A' 1030 981 3.31      
10 A' 977 931 0.13      
11 A' 890 848 2.61      
12 A' 730 695 2.51      
13 A' 553 527 2.11      
14 A' 169 161 1.58      
15 A" 3167 3016 8.09      
16 A" 3106 2958 56.27      
17 A" 1539 1466 0.16      
18 A" 1352 1288 1.82      
19 A" 1291 1229 14.62      
20 A" 1235 1176 5.44      
21 A" 1068 1017 0.12      
22 A" 1019 970 0.26      
23 A" 859 818 0.06      
24 A" 708 675 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 18924.3 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 18021.6 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 QCISD/6-31G*
ABC
0.33761 0.22100 0.14756

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.326 1.049 0.000
C2 -0.196 -0.301 1.149
C3 -0.196 -0.301 -1.149
C4 -0.196 -1.333 0.000
H5 -1.191 -0.121 1.569
H6 0.510 -0.494 1.961
H7 -1.191 -0.121 -1.569
H8 0.510 -0.494 -1.961
H9 -1.047 -2.025 0.000
H10 0.728 -1.921 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 H5 H6 H7 H8 H9 H10
S11.84821.84822.43892.47662.50252.47662.50253.36732.9977
C21.84822.29731.54411.09501.09402.89963.19512.23972.1908
C31.84822.29731.54412.89963.19511.09501.09402.23972.1908
C42.43891.54411.54412.21832.24732.21832.24731.09701.0959
H52.47661.09502.89962.21831.78543.13803.93672.47163.0640
H62.50251.09403.19512.24731.78543.93673.92292.93552.4356
H72.47662.89961.09502.21833.13803.93671.78542.47163.0640
H82.50253.19511.09402.24733.93673.92291.78542.93552.4356
H93.36732.23972.23971.09702.47162.93552.47162.93551.7785
H102.99772.19082.19081.09593.06402.43563.06402.43561.7785

picture of Thietane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 91.486 S1 C2 H5 112.037
S1 C2 H6 114.081 S1 C3 C4 91.486
S1 C3 H7 112.037 S1 C3 H8 114.081
C2 S1 C3 76.850 C2 C4 C3 96.130
C2 C4 H9 114.942 C2 C4 H10 111.029
C3 C4 H9 114.942 C3 C4 H10 111.029
C4 C2 H5 113.301 C4 C2 H6 115.777
C4 C3 H7 113.301 C4 C3 H8 115.777
H5 C2 H6 109.298 H7 C3 H8 109.298
H9 C4 H10 108.398
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability