All results from a given calculation for C3H3NO (Isoxazole)
using model chemistry: CCSD/Def2TZVPP
19 10 17 12 22
States and conformations
| State |
Conformation |
minimum conformation |
conformer description |
state description |
| 1 |
1 |
yes |
CS |
1A' |
Energy calculated at CCSD/Def2TZVPP
| | hartrees |
| Energy at 0K | -245.597579 |
| Energy at 298.15K | |
| HF Energy | -244.683992 |
| Nuclear repulsion energy | 162.612757 |
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/Def2TZVPP
Geometric Data calculated at CCSD/Def2TZVPP
Point Group is Cs
Cartesians (Å)
| Atom |
x (Å) |
y (Å) |
z (Å) |
| C1 |
1.125 |
0.370 |
0.000 |
| C2 |
0.613 |
-0.961 |
0.000 |
| C3 |
0.000 |
1.120 |
0.000 |
| N4 |
-0.690 |
-0.985 |
0.000 |
| O5 |
-1.090 |
0.341 |
0.000 |
| H6 |
2.146 |
0.699 |
0.000 |
| H7 |
1.151 |
-1.893 |
0.000 |
| H8 |
-0.181 |
2.180 |
0.000 |
Atom - Atom Distances (Å)
| |
C1 |
C2 |
C3 |
N4 |
O5 |
H6 |
H7 |
H8 |
| C1 | | 1.4258 | 1.3521 | 2.2646 | 2.2148 | 1.0731 | 2.2637 | 2.2318 |
C2 | 1.4258 | | 2.1695 | 1.3032 | 2.1433 | 2.2594 | 1.0766 | 3.2396 | C3 | 1.3521 | 2.1695 | | 2.2152 | 1.3400 | 2.1874 | 3.2260 | 1.0750 | N4 | 2.2646 | 1.3032 | 2.2152 | | 1.3844 | 3.2982 | 2.0527 | 3.2054 | O5 | 2.2148 | 2.1433 | 1.3400 | 1.3844 | | 3.2559 | 3.1641 | 2.0516 | H6 | 1.0731 | 2.2594 | 2.1874 | 3.2982 | 3.2559 | | 2.7769 | 2.7588 | H7 | 2.2637 | 1.0766 | 3.2260 | 2.0527 | 3.1641 | 2.7769 | | 4.2857 | H8 | 2.2318 | 3.2396 | 1.0750 | 3.2054 | 2.0516 | 2.7588 | 4.2857 | |
More geometry information
Calculated Bond Angles
| atom1 |
atom2 |
atom3 |
angle |
|
atom1 |
atom2 |
atom3 |
angle |
| C1 |
C2 |
N4 |
112.084 |
|
C1 |
C2 |
H7 |
129.010 |
| C1 |
C3 |
O5 |
110.717 |
|
C1 |
C3 |
H8 |
133.396 |
| C2 |
C1 |
C3 |
102.672 |
|
C2 |
C1 |
H6 |
128.865 |
| C2 |
N4 |
O5 |
105.738 |
|
C3 |
C1 |
H6 |
128.463 |
| C3 |
O5 |
N4 |
108.789 |
|
N4 |
C2 |
H7 |
118.906 |
| O5 |
C3 |
H8 |
115.887 |
|
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability