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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-246.010147
Energy at 298.15K 
HF Energy-246.010147
Nuclear repulsion energy163.040328
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 wB97X-D/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' 3304 3160 0.09 109.77 0.12 0.22
2 A' 3280 3138 0.06 46.39 0.70 0.82
3 A' 3260 3118 1.19 85.15 0.39 0.57
4 A' 1633 1562 9.94 1.31 0.16 0.28
5 A' 1497 1432 33.98 33.32 0.27 0.43
6 A' 1423 1361 7.84 1.96 0.33 0.50
7 A' 1266 1211 9.04 11.34 0.23 0.37
8 A' 1178 1127 20.58 1.63 0.56 0.72
9 A' 1143 1093 10.34 11.48 0.19 0.33
10 A' 1053 1007 4.35 3.22 0.57 0.73
11 A' 959 918 37.29 4.93 0.22 0.36
12 A' 938 898 5.23 4.67 0.64 0.78
13 A' 934 893 2.37 0.74 0.70 0.82
14 A" 929 889 4.47 1.34 0.75 0.86
15 A" 901 862 0.77 0.19 0.75 0.86
16 A" 800 765 63.51 0.40 0.75 0.86
17 A" 660 631 1.87 0.31 0.75 0.86
18 A" 619 592 16.07 1.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12888.5 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 12327.8 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 wB97X-D/6-311G**
ABC
0.33178 0.32449 0.16405

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.123 0.365 0.000
C2 0.610 -0.959 0.000
C3 0.000 1.119 0.000
N4 -0.693 -0.978 0.000
O5 -1.082 0.340 0.000
H6 2.149 0.692 0.000
H7 1.145 -1.897 0.000
H8 -0.183 2.182 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42051.35282.25942.20591.07632.26262.2370
C21.42052.16591.30332.13362.25701.08003.2392
C31.35282.16592.20891.33372.19103.22641.0780
N42.25941.30332.20891.37453.29642.05533.2007
O52.20592.13361.33371.37453.25043.15722.0496
H61.07632.25702.19103.29643.25042.77682.7668
H72.26261.08003.22642.05533.15722.77684.2895
H82.23703.23921.07803.20072.04962.76684.2895

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.022 C1 C2 H7 129.108
C1 C3 O5 110.395 C1 C3 H8 133.614
C2 C1 C3 102.678 C2 C1 H6 128.845
C2 N4 O5 105.614 C3 C1 H6 128.477
C3 O5 N4 109.291 N4 C2 H7 118.870
O5 C3 H8 115.991
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.344      
2 C 0.080      
3 C 0.167      
4 N -0.134      
5 O -0.187      
6 H 0.131      
7 H 0.139      
8 H 0.148      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.591 1.541 0.000 3.014
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.437 -2.617 0.000
y -2.617 -24.717 0.000
z 0.000 0.000 -29.926
Traceless
 xyz
x -1.115 -2.617 0.000
y -2.617 4.464 0.000
z 0.000 0.000 -3.349
Polar
3z2-r2-6.698
x2-y2-3.720
xy-2.617
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.145 -0.252 0.000
y -0.252 6.721 0.000
z 0.000 0.000 2.994


<r2> (average value of r2) Å2
<r2> 76.096
(<r2>)1/2 8.723