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All results from a given calculation for C3H6O (Oxetane)

using model chemistry: QCISD/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/cc-pVDZ
 hartrees
Energy at 0K-192.566383
Energy at 298.15K-192.573568
HF Energy-191.920529
Nuclear repulsion energy127.562881
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/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3109 2983 23.76      
2 A1 3057 2933 3.35      
3 A1 1550 1487 0.00      
4 A1 1489 1429 2.65      
5 A1 1397 1341 5.89      
6 A1 1069 1026 7.25      
7 A1 955 916 26.44      
8 A1 834 800 3.87      
9 A2 3098 2972 0.00      
10 A2 1235 1185 0.00      
11 A2 1175 1127 0.00      
12 A2 840 805 0.00      
13 B1 3170 3041 34.73      
14 B1 3097 2971 89.05      
15 B1 1198 1149 0.46      
16 B1 1157 1110 3.51      
17 B1 763 732 0.03      
18 B1 30 28 2.51      
19 B2 3047 2923 152.36      
20 B2 1520 1458 4.81      
21 B2 1321 1267 0.09      
22 B2 1271 1220 4.47      
23 B2 1073 1029 95.86      
24 B2 962 923 5.69      

Unscaled Zero Point Vibrational Energy (zpe) 19207.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 18428.1 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/cc-pVDZ
ABC
0.40007 0.38964 0.22297

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.072
C2 0.000 0.000 -1.081
C3 0.000 1.038 0.067
C4 0.000 -1.038 0.067
H5 0.900 0.000 -1.716
H6 -0.900 0.000 -1.716
H7 0.900 1.679 0.133
H8 -0.900 1.679 0.133
H9 -0.900 -1.679 0.133
H10 0.900 -1.679 0.133

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.15251.44471.44472.92992.92992.12392.12392.12392.1239
C22.15251.54791.54791.10171.10172.25862.25862.25862.2586
C31.44471.54792.07672.25162.25161.10681.10682.86322.8632
C41.44471.54792.07672.25162.25162.86322.86321.10681.1068
H52.92991.10172.25162.25161.79942.49763.07863.07862.4976
H62.92991.10172.25162.25161.79943.07862.49762.49763.0786
H72.12392.25861.10682.86322.49763.07861.80053.80993.3576
H82.12392.25861.10682.86323.07862.49761.80053.35763.8099
H92.12392.25862.86321.10683.07862.49763.80993.35761.8005
H102.12392.25862.86321.10682.49763.07863.35763.80991.8005

picture of Oxetane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 91.921 O1 C3 H7 112.013
O1 C3 H8 112.013 O1 C4 C2 91.921
O1 C4 H9 112.013 O1 C4 H10 112.013
C2 C3 H7 115.595 C2 C3 H8 115.595
C2 C4 H9 115.595 C2 C4 H10 115.595
C3 O1 C4 91.898 C3 C2 C4 84.260
C3 C2 H5 115.343 C3 C2 H6 115.343
C4 C2 H5 115.343 C4 C2 H6 115.343
H5 C2 H6 109.499 H7 C3 H8 108.862
H9 C4 H10 108.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-192.566382
Energy at 298.15K-192.573562
HF Energy-191.920544
Nuclear repulsion energy127.571404
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/cc-pVDZ
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' 3170 3041 34.87      
2 A' 3109 2983 23.76      
3 A' 3097 2972 88.90      
4 A' 3057 2933 3.37      
5 A' 1550 1487 0.00      
6 A' 1489 1429 2.65      
7 A' 1397 1341 5.89      
8 A' 1198 1149 0.45      
9 A' 1157 1110 3.53      
10 A' 1070 1026 7.26      
11 A' 955 916 26.42      
12 A' 834 800 3.88      
13 A' 763 732 0.03      
14 A' 26 25 2.50      
15 A" 3098 2973 0.00      
16 A" 3047 2924 152.38      
17 A" 1520 1458 4.80      
18 A" 1321 1267 0.09      
19 A" 1272 1220 4.46      
20 A" 1235 1185 0.00      
21 A" 1175 1127 0.00      
22 A" 1073 1030 95.91      
23 A" 962 923 5.69      
24 A" 840 805 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 19207.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 18427.7 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 QCISD/cc-pVDZ
ABC
0.40015 0.38967 0.22301

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 -0.000 -1.072 0.000
C2 0.000 1.080 0.000
C3 0.000 -0.067 1.038
C4 0.000 -0.067 -1.038
H5 0.900 1.716 0.000
H6 -0.900 1.717 0.000
H7 0.900 -0.134 1.678
H8 -0.900 -0.133 1.679
H9 0.900 -0.134 -1.678
H10 -0.900 -0.133 -1.679

Atom - Atom Distances (Å)
  O1 C2 C3 C4 H5 H6 H7 H8 H9 H10
O12.15231.44461.44462.92992.92982.12352.12362.12352.1236
C22.15231.54781.54781.10171.10182.25872.25832.25872.2583
C31.44461.54782.07652.25152.25161.10681.10672.86282.8629
C41.44461.54782.07652.25152.25162.86282.86291.10681.1067
H52.92991.10172.25152.25151.79932.49793.07842.49793.0784
H62.92981.10182.25162.25161.79933.07902.49743.07902.4974
H72.12352.25871.10682.86282.49793.07901.80073.35703.8095
H82.12362.25831.10672.86293.07842.49741.80073.80953.3572
H92.12352.25872.86281.10682.49793.07903.35703.80951.8007
H102.12362.25832.86291.10673.07842.49743.80953.35721.8007

picture of Oxetane state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C2 91.924 O1 C3 H7 111.987
O1 C3 H8 112.004 O1 C4 C2 91.924
O1 C4 H9 111.987 O1 C4 H10 112.004
C2 C3 H7 115.618 C2 C3 H8 115.585
C2 C4 H9 115.618 C2 C4 H10 115.585
C3 O1 C4 91.895 C3 C2 C4 84.258
C3 C2 H5 115.347 C3 C2 H6 115.348
C4 C2 H5 115.347 C4 C2 H6 115.348
H5 C2 H6 109.485 H7 C3 H8 108.877
H9 C4 H10 108.877
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability