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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: wB97X-D/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-246.034328
Energy at 298.15K 
HF Energy-246.034328
Nuclear repulsion energy163.348451
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/6-311+G(3df,2p)
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' 3299 3299 0.19 115.10 0.10 0.18
2 A' 3274 3274 0.14 48.23 0.64 0.78
3 A' 3256 3256 0.83 84.67 0.37 0.54
4 A' 1632 1632 11.78 2.33 0.05 0.09
5 A' 1494 1494 33.92 42.00 0.17 0.29
6 A' 1426 1426 8.58 2.60 0.18 0.30
7 A' 1272 1272 7.68 16.06 0.10 0.18
8 A' 1183 1183 18.55 1.78 0.31 0.47
9 A' 1145 1145 9.68 14.89 0.10 0.19
10 A' 1053 1053 3.74 2.36 0.47 0.64
11 A' 962 962 35.45 4.29 0.15 0.26
12 A' 938 938 5.19 3.68 0.51 0.68
13 A' 933 933 2.57 0.58 0.72 0.84
14 A" 938 938 5.45 0.36 0.75 0.86
15 A" 906 906 0.18 0.60 0.75 0.86
16 A" 795 795 64.09 0.16 0.75 0.86
17 A" 661 661 1.50 0.20 0.75 0.86
18 A" 619 619 14.03 0.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12892.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12892.6 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/6-311+G(3df,2p)
ABC
0.33292 0.32585 0.16467

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.121 0.364 0.000
C2 0.609 -0.958 0.000
C3 0.000 1.116 0.000
N4 -0.692 -0.976 0.000
O5 -1.081 0.341 0.000
H6 2.144 0.691 0.000
H7 1.144 -1.894 0.000
H8 -0.179 2.178 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41771.35002.25392.20161.07442.25812.2318
C21.41772.16211.30062.13102.25311.07833.2338
C31.35002.16212.20381.33042.18613.22071.0767
N42.25391.30062.20381.37293.28942.05263.1956
O52.20162.13101.33041.37293.24393.15342.0470
H61.07442.25312.18613.28943.24392.77162.7585
H72.25811.07833.22072.05263.15342.77164.2819
H82.23183.23381.07673.19562.04702.75854.2819

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.955 C1 C2 H7 129.061
C1 C3 O5 110.442 C1 C3 H8 133.444
C2 C1 C3 102.714 C2 C1 H6 128.882
C2 N4 O5 105.676 C3 C1 H6 128.405
C3 O5 N4 109.213 N4 C2 H7 118.984
O5 C3 H8 116.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.119      
2 C 0.286      
3 C 0.266      
4 N -0.506      
5 O -0.421      
6 H 0.158      
7 H 0.168      
8 H 0.168      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.592 1.545 0.000 3.018
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.477 -2.733 0.000
y -2.733 -25.032 0.000
z 0.000 0.000 -30.177
Traceless
 xyz
x -0.872 -2.733 0.000
y -2.733 4.295 0.000
z 0.000 0.000 -3.423
Polar
3z2-r2-6.845
x2-y2-3.445
xy-2.733
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.964 -0.096 0.000
y -0.096 7.540 0.000
z 0.000 0.000 4.455


<r2> (average value of r2) Å2
<r2> 76.001
(<r2>)1/2 8.718