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All results from a given calculation for C3H6O (Oxetane)

using model chemistry: MP4/6-311G**

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 MP4/6-311G**
 hartrees
Energy at 0K-192.657717
Energy at 298.15K 
HF Energy-191.956713
Nuclear repulsion energy127.684764
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 MP4/6-311G**
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 3094 3000        
2 A1 3047 2955        
3 A1 1561 1514        
4 A1 1505 1460        
5 A1 1404 1362        
6 A1 1057 1025        
7 A1 937 909        
8 A1 815 790        
9 A2 3092 2998        
10 A2 1245 1207        
11 A2 1179 1143        
12 A2 849 824        
13 B1 3159 3063        
14 B1 3090 2997        
15 B1 1206 1170        
16 B1 1164 1128        
17 B1 775 752        
18 B1 34i 33i        
19 B2 3038 2946        
20 B2 1532 1486        
21 B2 1333 1293        
22 B2 1270 1232        
23 B2 1048 1016        
24 B2 961 932        

Unscaled Zero Point Vibrational Energy (zpe) 19163.4 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 18582.7 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 MP4/6-311G**
ABC
0.40253 0.38836 0.22309

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.078
C2 0.000 0.000 -1.082
C3 0.000 1.037 0.064
C4 0.000 -1.037 0.064
H5 0.896 0.000 -1.710
H6 -0.896 0.000 -1.710
H7 0.897 1.667 0.130
H8 -0.897 1.667 0.130
H9 -0.897 -1.667 0.130
H10 0.897 -1.667 0.130

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.15991.45031.45032.92782.92782.11722.11722.11722.1172
C22.15991.54571.54571.09371.09372.24762.24762.24762.2476
C31.45031.54572.07432.24142.24141.09801.09802.84982.8498
C41.45031.54572.07432.24142.24142.84982.84981.09801.0980
H52.92781.09372.24142.24141.79162.48223.06193.06192.4822
H62.92781.09372.24142.24141.79163.06192.48222.48223.0619
H72.11722.24761.09802.84982.48223.06191.79393.78603.3340
H82.11722.24761.09802.84983.06192.48221.79393.33403.7860
H92.11722.24762.84981.09803.06192.48223.78603.33401.7939
H102.11722.24762.84981.09802.48223.06193.33403.78601.7939

picture of Oxetane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 92.205 O1 C3 H7 111.626
O1 C3 H8 111.626 O1 C4 C2 92.205
O1 C4 H9 111.626 O1 C4 H10 111.626
C2 C3 H7 115.414 C2 C3 H8 115.414
C2 C4 H9 115.414 C2 C4 H10 115.414
C3 O1 C4 91.307 C3 C2 C4 84.284
C3 C2 H5 115.177 C3 C2 H6 115.177
C4 C2 H5 115.177 C4 C2 H6 115.177
H5 C2 H6 109.978 H7 C3 H8 109.553
H9 C4 H10 109.553
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-192.657717
Energy at 298.15K 
HF Energy-191.956742
Nuclear repulsion energy127.700388
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 MP4/6-311G**
Rotational Constants (cm-1) from geometry optimized at MP4/6-311G**
ABC
0.40253 0.38836 0.22309

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability