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All results from a given calculation for C3H6O (Oxetane)

using model chemistry: QCISD(TQ)/cc-pVDZ

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 QCISD(TQ)/cc-pVDZ
 hartrees
Energy at 0K-192.585300
Energy at 298.15K 
HF Energy-191.919886
Nuclear repulsion energy127.265759
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(TQ)/cc-pVDZ
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 3091 3091        
2 A1 3039 3039        
3 A1 1537 1537        
4 A1 1477 1477        
5 A1 1382 1382        
6 A1 1055 1055        
7 A1 939 939        
8 A1 824 824        
9 A2 3081 3081        
10 A2 1225 1225        
11 A2 1163 1163        
12 A2 831 831        
13 B1 3153 3153        
14 B1 3080 3080        
15 B1 1187 1187        
16 B1 1144 1144        
17 B1 755 755        
18 B1 33i 33i        
19 B2 3029 3029        
20 B2 1507 1507        
21 B2 1307 1307        
22 B2 1256 1256        
23 B2 1054 1054        
24 B2 951 951        

Unscaled Zero Point Vibrational Energy (zpe) 19016.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19016.2 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 QCISD(TQ)/cc-pVDZ
ABC
0.39847 0.38757 0.22190

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.076
C2 0.000 0.000 -1.083
C3 0.000 1.041 0.067
C4 0.000 -1.041 0.067
H5 0.901 0.000 -1.719
H6 -0.901 0.000 -1.719
H7 0.902 1.682 0.132
H8 -0.902 1.682 0.132
H9 -0.902 -1.682 0.132
H10 0.902 -1.682 0.132

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.15881.44951.44952.93702.93702.12912.12912.12912.1291
C22.15881.55081.55081.10341.10342.26192.26192.26192.2619
C31.44951.55082.08132.25532.25531.10831.10832.86852.8685
C41.44951.55082.08132.25532.25532.86852.86851.10831.1083
H52.93701.10342.25532.25531.80252.50093.08313.08312.5009
H62.93701.10342.25532.25531.80253.08312.50092.50093.0831
H72.12912.26191.10832.86852.50093.08311.80363.81643.3634
H82.12912.26191.10832.86853.08312.50091.80363.36343.8164
H92.12912.26192.86851.10833.08312.50093.81643.36341.8036
H102.12912.26192.86851.10832.50093.08313.36343.81641.8036

picture of Oxetane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 91.969 O1 C3 H7 112.001
O1 C3 H8 112.001 O1 C4 C2 91.969
O1 C4 H9 112.001 O1 C4 H10 112.001
C2 C3 H7 115.557 C2 C3 H8 115.557
C2 C4 H9 115.557 C2 C4 H10 115.557
C3 O1 C4 91.770 C3 C2 C4 84.292
C3 C2 H5 115.323 C3 C2 H6 115.323
C4 C2 H5 115.323 C4 C2 H6 115.323
H5 C2 H6 109.536 H7 C3 H8 108.909
H9 C4 H10 108.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at QCISD(TQ)/cc-pVDZ
 hartrees
Energy at 0K-192.584235
Energy at 298.15K 
HF Energy-191.918861
Nuclear repulsion energy127.458192
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(TQ)/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD(TQ)/cc-pVDZ
ABC
0.39847 0.38757 0.22190

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(TQ)/cc-pVDZ

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability