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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: M06-2X/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/6-311G**
 hartrees
Energy at 0K-245.996876
Energy at 298.15K 
HF Energy-245.996876
Nuclear repulsion energy163.088210
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 M06-2X/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 A' 3322 3322 0.92 99.41 0.13 0.24
2 A' 3294 3294 0.84 53.89 0.57 0.72
3 A' 3276 3276 0.29 84.59 0.37 0.54
4 A' 1641 1641 10.51 1.15 0.22 0.36
5 A' 1500 1500 34.11 34.98 0.24 0.39
6 A' 1423 1423 9.54 1.93 0.47 0.64
7 A' 1269 1269 10.61 10.77 0.25 0.40
8 A' 1185 1185 18.49 1.87 0.43 0.60
9 A' 1143 1143 11.37 11.23 0.20 0.34
10 A' 1048 1048 2.89 3.24 0.53 0.69
11 A' 977 977 45.65 4.37 0.18 0.30
12 A' 939 939 4.02 3.97 0.75 0.86
13 A' 933 933 1.63 1.83 0.70 0.82
14 A" 930 930 5.19 1.30 0.75 0.86
15 A" 907 907 0.77 0.24 0.75 0.86
16 A" 800 800 64.10 0.36 0.75 0.86
17 A" 662 662 1.25 0.33 0.75 0.86
18 A" 618 618 16.82 0.96 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12934.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12934.2 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 M06-2X/6-311G**
ABC
0.33227 0.32426 0.16411

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.124 0.367 0.000
C2 0.608 -0.960 0.000
C3 0.000 1.119 0.000
N4 -0.693 -0.977 0.000
O5 -1.082 0.338 0.000
H6 2.149 0.694 0.000
H7 1.142 -1.899 0.000
H8 -0.185 2.181 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42421.35292.26022.20621.07552.26592.2372
C21.42422.16701.30162.13112.26051.07953.2403
C31.35292.16702.20771.33442.19083.22711.0778
N42.26021.30162.20771.37073.29672.05373.1985
O52.20622.13111.33441.37073.25023.15392.0500
H61.07552.26052.19083.29673.25022.78132.7675
H72.26591.07953.22712.05373.15392.78134.2904
H82.23723.24031.07783.19852.05002.76754.2904

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.954 C1 C2 H7 129.136
C1 C3 O5 110.358 C1 C3 H8 133.658
C2 C1 C3 102.548 C2 C1 H6 128.929
C2 N4 O5 105.752 C3 C1 H6 128.523
C3 O5 N4 109.388 N4 C2 H7 118.910
O5 C3 H8 115.984
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.358      
2 C 0.083      
3 C 0.170      
4 N -0.140      
5 O -0.211      
6 H 0.146      
7 H 0.152      
8 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.592 1.523 0.000 3.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.604 -2.570 0.000
y -2.570 -24.828 0.000
z 0.000 0.000 -30.186
Traceless
 xyz
x -1.096 -2.570 0.000
y -2.570 4.567 0.000
z 0.000 0.000 -3.470
Polar
3z2-r2-6.941
x2-y2-3.775
xy-2.570
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.121 -0.249 0.000
y -0.249 6.671 0.000
z 0.000 0.000 2.990


<r2> (average value of r2) Å2
<r2> 76.190
(<r2>)1/2 8.729