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All results from a given calculation for C3H6O (Oxetane)

using model chemistry: CCSD(T)/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
1 2 no CS 1A'

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at CCSD(T)/6-311G*
 hartrees
Energy at 0K-192.608410
Energy at 298.15K 
HF Energy-191.947237
Nuclear repulsion energy127.729307
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 CCSD(T)/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3071 2956        
2 A1 3027 2914        
3 A1 1570 1511        
4 A1 1519 1462        
5 A1 1399 1347        
6 A1 1060 1020        
7 A1 943 908        
8 A1 821 791        
9 A2 3070 2955        
10 A2 1246 1199        
11 A2 1177 1133        
12 A2 846 814        
13 B1 3130 3013        
14 B1 3068 2953        
15 B1 1207 1162        
16 B1 1161 1118        
17 B1 769 740        
18 B1 37i 36i        
19 B2 3019 2906        
20 B2 1541 1484        
21 B2 1324 1274        
22 B2 1269 1221        
23 B2 1055 1016        
24 B2 958 922        

Unscaled Zero Point Vibrational Energy (zpe) 19105.8 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 18391.2 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 CCSD(T)/6-311G*
ABC
0.40249 0.38900 0.22329

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.075
C2 0.000 0.000 -1.082
C3 0.000 1.037 0.065
C4 0.000 -1.037 0.065
H5 0.895 0.000 -1.713
H6 -0.895 0.000 -1.713
H7 0.898 1.668 0.133
H8 -0.898 1.668 0.133
H9 -0.898 -1.668 0.133
H10 0.898 -1.668 0.133

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.15681.44781.44782.92802.92802.11532.11532.11532.1153
C22.15681.54591.54591.09511.09512.25002.25002.25002.2500
C31.44781.54592.07402.24412.24411.09911.09912.85062.8506
C41.44781.54592.07402.24412.24412.85062.85061.09911.0991
H52.92801.09512.24412.24411.79012.48763.06623.06622.4876
H62.92801.09512.24412.24411.79013.06622.48762.48763.0662
H72.11532.25001.09912.85062.48763.06621.79513.78793.3355
H82.11532.25001.09912.85063.06622.48761.79513.33553.7879
H92.11532.25002.85061.09913.06622.48763.78793.33551.7951
H102.11532.25002.85061.09912.48763.06623.33553.78791.7951

picture of Oxetane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 92.125 O1 C3 H7 111.573
O1 C3 H8 111.573 O1 C4 C2 92.125
O1 C4 H9 111.573 O1 C4 H10 111.573
C2 C3 H7 115.532 C2 C3 H8 115.532
C2 C4 H9 115.532 C2 C4 H10 115.532
C3 O1 C4 91.492 C3 C2 C4 84.258
C3 C2 H5 115.297 C3 C2 H6 115.297
C4 C2 H5 115.297 C4 C2 H6 115.297
H5 C2 H6 109.637 H7 C3 H8 109.490
H9 C4 H10 109.490
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CCSD(T)/6-311G*
 hartrees
Energy at 0K-192.608325
Energy at 298.15K 
HF Energy-191.946806
Nuclear repulsion energy127.713382
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 CCSD(T)/6-311G*
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/6-311G*
ABC
0.40249 0.38900 0.22329

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G*

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability