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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: PBEPBE/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/daug-cc-pVDZ
 hartrees
Energy at 0K-245.795870
Energy at 298.15K 
HF Energy-245.795870
Nuclear repulsion energy160.577528
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 PBEPBE/daug-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' 3222 3222 0.02 145.89 0.10 0.17
2 A' 3197 3197 0.12 61.17 0.65 0.79
3 A' 3176 3176 0.62 101.27 0.37 0.54
4 A' 1543 1543 8.54 5.17 0.01 0.01
5 A' 1428 1428 26.85 31.23 0.23 0.38
6 A' 1349 1349 3.22 7.08 0.02 0.04
7 A' 1195 1195 4.37 19.45 0.08 0.14
8 A' 1104 1104 20.01 3.55 0.43 0.60
9 A' 1089 1089 5.38 13.84 0.05 0.09
10 A' 1010 1010 10.32 3.04 0.73 0.85
11 A' 895 895 8.41 2.11 0.72 0.84
12 A' 883 883 0.55 1.06 0.61 0.76
13 A' 836 836 20.12 6.18 0.11 0.20
14 A" 867 867 7.79 0.17 0.75 0.86
15 A" 826 826 0.09 0.45 0.75 0.86
16 A" 742 742 62.16 0.05 0.75 0.86
17 A" 628 628 1.43 0.20 0.75 0.86
18 A" 591 591 13.09 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12289.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12289.9 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 PBEPBE/daug-cc-pVDZ
ABC
0.32142 0.31551 0.15922

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.136 0.367 0.000
C2 0.624 -0.966 0.000
C3 0.000 1.136 0.000
N4 -0.700 -1.001 0.000
O5 -1.103 0.349 0.000
H6 2.174 0.699 0.000
H7 1.172 -1.913 0.000
H8 -0.185 2.212 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42771.37162.28942.23841.09052.28012.2691
C21.42772.19271.32502.17052.27511.09403.2795
C31.37162.19272.24851.35472.21773.26641.0919
N42.28941.32502.24851.40833.33972.08293.2539
O52.23842.17051.35471.40833.29563.20792.0769
H61.09052.27512.21773.33973.29562.79782.8026
H72.28011.09403.26642.08293.20792.79784.3425
H82.26913.27951.09193.25392.07692.80264.3425

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.494 C1 C2 H7 128.945
C1 C3 O5 110.378 C1 C3 H8 133.855
C2 C1 C3 103.110 C2 C1 H6 128.740
C2 N4 O5 105.098 C3 C1 H6 128.150
C3 O5 N4 108.921 N4 C2 H7 118.560
O5 C3 H8 115.767
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 3.712      
2 C -0.772      
3 C -0.482      
4 N 0.393      
5 O -0.147      
6 H -1.112      
7 H -0.857      
8 H -0.736      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.502 1.493 0.000 2.913
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.840 -2.665 0.000
y -2.665 -25.535 0.000
z 0.000 0.000 -30.517
Traceless
 xyz
x -0.814 -2.665 0.000
y -2.665 4.144 0.000
z 0.000 0.000 -3.330
Polar
3z2-r2-6.659
x2-y2-3.306
xy-2.665
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.482 -0.043 0.000
y -0.043 8.267 0.000
z 0.000 0.000 4.685


<r2> (average value of r2) Å2
<r2> 78.222
(<r2>)1/2 8.844