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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-245.992187
Energy at 298.15K 
HF Energy-245.992187
Nuclear repulsion energy163.073073
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' 3328 3328 0.17 99.40 0.13 0.23
2 A' 3301 3301 0.11 50.34 0.60 0.75
3 A' 3285 3285 1.12 84.01 0.39 0.56
4 A' 1645 1645 11.06 1.13 0.21 0.34
5 A' 1503 1503 34.84 34.33 0.25 0.40
6 A' 1429 1429 9.37 1.85 0.47 0.64
7 A' 1275 1275 10.19 10.67 0.25 0.40
8 A' 1188 1188 19.11 1.99 0.42 0.59
9 A' 1146 1146 11.18 10.98 0.21 0.35
10 A' 1052 1052 2.95 3.09 0.53 0.69
11 A' 975 975 44.89 4.54 0.17 0.29
12 A' 941 941 4.01 4.09 0.75 0.85
13 A' 935 935 1.79 1.69 0.70 0.82
14 A" 923 923 6.31 1.49 0.75 0.86
15 A" 900 900 0.30 0.21 0.75 0.86
16 A" 796 796 64.71 0.41 0.75 0.86
17 A" 662 662 1.22 0.33 0.75 0.86
18 A" 618 618 17.41 0.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12950.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12950.3 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
0.33217 0.32425 0.16408

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 1.125 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 2.150 0.694 0.000
H7 1.142 -1.899 0.000
H8 -0.188 2.181 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42431.35302.26082.20661.07632.26662.2390
C21.42432.16641.30152.13112.26151.08003.2404
C31.35302.16642.20771.33412.19183.22711.0783
N42.26081.30152.20771.37153.29802.05323.1980
O52.20662.13111.33411.37153.25143.15422.0479
H61.07632.26152.19183.29803.25142.78282.7709
H72.26661.08003.22712.05323.15422.78284.2913
H82.23903.24041.07833.19802.04792.77094.2913

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.006 C1 C2 H7 129.161
C1 C3 O5 110.411 C1 C3 H8 133.806
C2 C1 C3 102.500 C2 C1 H6 128.947
C2 N4 O5 105.717 C3 C1 H6 128.553
C3 O5 N4 109.367 N4 C2 H7 118.833
O5 C3 H8 115.784
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 -0.450      
2 C -0.018      
3 C 0.067      
4 N -0.139      
5 O -0.210      
6 H 0.240      
7 H 0.251      
8 H 0.260      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.599 1.529 0.000 3.016
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.567 -2.580 0.000
y -2.580 -24.794 0.000
z 0.000 0.000 -30.287
Traceless
 xyz
x -1.026 -2.580 0.000
y -2.580 4.633 0.000
z 0.000 0.000 -3.607
Polar
3z2-r2-7.213
x2-y2-3.773
xy-2.580
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.092 -0.246 0.000
y -0.246 6.638 0.000
z 0.000 0.000 2.929


<r2> (average value of r2) Å2
<r2> 76.207
(<r2>)1/2 8.730