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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B97D3/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G(2df,p)
 hartrees
Energy at 0K-245.899959
Energy at 298.15K 
HF Energy-245.899959
Nuclear repulsion energy161.189166
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 B97D3/6-31G(2df,p)
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' 3241 3241 0.69 113.57 0.11 0.20
2 A' 3213 3213 0.50 63.32 0.59 0.75
3 A' 3192 3192 2.75 90.90 0.39 0.56
4 A' 1552 1552 7.28 2.23 0.08 0.15
5 A' 1421 1421 25.88 24.67 0.32 0.49
6 A' 1362 1362 4.71 2.58 0.10 0.18
7 A' 1212 1212 4.12 13.18 0.19 0.32
8 A' 1124 1124 18.84 5.20 0.57 0.73
9 A' 1099 1099 5.77 8.58 0.09 0.16
10 A' 1025 1025 8.47 4.14 0.71 0.83
11 A' 915 915 7.42 3.76 0.65 0.79
12 A' 901 901 0.95 0.80 0.44 0.61
13 A' 831 831 19.45 5.17 0.13 0.22
14 A" 877 877 4.55 1.72 0.75 0.86
15 A" 826 826 0.00 0.17 0.75 0.86
16 A" 765 765 43.45 1.09 0.75 0.86
17 A" 633 633 2.69 0.40 0.75 0.86
18 A" 596 596 11.01 0.96 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12392.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12392.2 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 B97D3/6-31G(2df,p)
ABC
0.32396 0.31766 0.16039

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.132 0.368 0.000
C2 0.623 -0.963 0.000
C3 0.000 1.131 0.000
N4 -0.697 -0.999 0.000
O5 -1.099 0.347 0.000
H6 2.161 0.698 0.000
H7 1.171 -1.899 0.000
H8 -0.187 2.198 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42461.36512.28322.23041.08072.26692.2555
C21.42462.18471.32032.16302.26351.08503.2626
C31.36512.18472.24161.34982.20393.24861.0828
N42.28321.32032.24161.40483.32382.07383.2375
O52.23042.16301.34981.40483.27833.19322.0632
H61.08072.26352.20393.32383.27832.77862.7859
H72.26691.08503.24862.07383.19322.77864.3158
H82.25553.26261.08283.23752.06322.78594.3158

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.514 C1 C2 H7 128.680
C1 C3 O5 110.475 C1 C3 H8 133.939
C2 C1 C3 103.070 C2 C1 H6 128.713
C2 N4 O5 105.028 C3 C1 H6 128.217
C3 O5 N4 108.913 N4 C2 H7 118.806
O5 C3 H8 115.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.250      
2 C 0.049      
3 C 0.087      
4 N -0.136      
5 O -0.163      
6 H 0.126      
7 H 0.136      
8 H 0.152      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.373 1.460 0.000 2.786
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.795 -2.445 0.000
y -2.445 -24.650 0.000
z 0.000 0.000 -29.231
Traceless
 xyz
x -0.854 -2.445 0.000
y -2.445 3.863 0.000
z 0.000 0.000 -3.008
Polar
3z2-r2-6.017
x2-y2-3.145
xy-2.445
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.286 -0.202 0.000
y -0.202 7.073 0.000
z 0.000 0.000 2.981


<r2> (average value of r2) Å2
<r2> 77.076
(<r2>)1/2 8.779