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All results from a given calculation for C3H6S (Thietane)

using model chemistry: MP2/CEP-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 MP2/CEP-31G*
 hartrees
Energy at 0K-30.355538
Energy at 298.15K-30.362633
HF Energy-29.865831
Nuclear repulsion energy65.331208
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 MP2/CEP-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' 3209 3047 57.87      
2 A' 3187 3025 0.69      
3 A' 3121 2963 28.02      
4 A' 3107 2949 34.38      
5 A' 1542 1464 0.39      
6 A' 1505 1429 3.84      
7 A' 1291 1225 3.52      
8 A' 1216 1155 1.50      
9 A' 1010 959 5.41      
10 A' 967 918 0.66      
11 A' 877 832 6.22      
12 A' 723 687 3.40      
13 A' 535 508 2.99      
14 A' 163 154 1.83      
15 A" 3202 3040 3.93      
16 A" 3120 2962 74.77      
17 A" 1513 1437 0.00      
18 A" 1333 1265 1.71      
19 A" 1266 1202 14.91      
20 A" 1220 1159 6.85      
21 A" 1052 998 0.20      
22 A" 1009 958 0.77      
23 A" 842 800 0.28      
24 A" 711 675 1.68      

Unscaled Zero Point Vibrational Energy (zpe) 18860.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 17905.8 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 MP2/CEP-31G*
ABC
0.33304 0.21706 0.14551

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.400 1.027 0.000
C2 -0.243 -0.289 1.150
C3 -0.243 -0.289 -1.150
C4 -0.243 -1.340 0.000
H5 -1.251 -0.015 1.505
H6 0.426 -0.470 2.007
H7 -1.251 -0.015 -1.505
H8 0.426 -0.470 -2.007
H9 -1.090 -2.049 0.000
H10 0.706 -1.902 0.000

Atom - Atom Distances (Å)
  S1 C2 C3 C4 H5 H6 H7 H8 H9 H10
S11.86131.86132.45272.46442.50392.46442.50393.41792.9444
C21.86132.29931.55821.10301.10232.85233.23192.26722.1966
C31.86132.29931.55822.85233.23191.10301.10232.26722.1966
C42.45271.55821.55822.24422.28762.24422.28761.10491.1027
H52.46441.10302.85232.24421.80823.00913.91782.53543.1071
H62.50391.10233.23192.28761.80823.91784.01442.96992.4815
H72.46442.85231.10302.24423.00913.91781.80822.53543.1071
H82.50393.23191.10232.28763.91784.01441.80822.96992.4815
H93.41792.26722.26721.10492.53542.96992.53542.96991.8026
H102.94442.19662.19661.10273.10712.48153.10712.48151.8026

picture of Thietane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 91.217 S1 C2 H5 109.814
S1 C2 H6 112.796 S1 C3 C4 91.217
S1 C3 H7 109.814 S1 C3 H8 112.796
C2 S1 C3 76.290 C2 C4 C3 95.088
C2 C4 H9 115.662 C2 C4 H10 110.104
C3 C4 H9 115.662 C3 C4 H10 110.104
C4 C2 H5 113.885 C4 C2 H6 117.569
C4 C3 H7 113.885 C4 C3 H8 117.569
H5 C2 H6 110.157 H7 C3 H8 110.157
H9 C4 H10 109.480
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability