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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: M06-2X/TZVP

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/TZVP
 hartrees
Energy at 0K-246.016283
Energy at 298.15K 
HF Energy-246.016283
Nuclear repulsion energy163.121493
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/TZVP
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 3149 1.43 104.23 0.11 0.20
2 A' 3299 3121 1.20 54.46 0.53 0.69
3 A' 3283 3106 0.18 84.64 0.34 0.51
4 A' 1641 1553 11.92 1.90 0.13 0.23
5 A' 1499 1418 34.31 43.09 0.19 0.32
6 A' 1424 1348 10.00 2.20 0.44 0.61
7 A' 1275 1206 9.43 12.78 0.19 0.31
8 A' 1187 1123 21.19 2.30 0.33 0.49
9 A' 1145 1083 12.14 11.87 0.17 0.29
10 A' 1050 993 3.13 2.62 0.48 0.64
11 A' 967 915 45.28 5.23 0.15 0.27
12 A' 940 889 4.19 4.41 0.71 0.83
13 A' 934 884 1.64 1.68 0.70 0.82
14 A" 922 873 8.13 1.61 0.75 0.86
15 A" 904 855 0.33 0.11 0.75 0.86
16 A" 795 752 65.49 0.25 0.75 0.86
17 A" 656 621 0.94 0.27 0.75 0.86
18 A" 612 579 14.41 0.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12929.7 cm-1
Scaled (by 0.9462) Zero Point Vibrational Energy (zpe) 12234.0 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/TZVP
ABC
0.33252 0.32435 0.16419

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.123 0.368 0.000
C2 0.609 -0.959 0.000
C3 0.000 1.119 0.000
N4 -0.691 -0.979 0.000
O5 -1.083 0.338 0.000
H6 2.146 0.695 0.000
H7 1.145 -1.895 0.000
H8 -0.185 2.180 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42251.35072.25852.20541.07482.26292.2346
C21.42252.16531.29982.13162.25781.07853.2377
C31.35072.16532.20871.33512.18793.22401.0769
N42.25851.29982.20871.37403.29392.05103.1991
O52.20542.13161.33511.37403.24883.15382.0493
H61.07482.25782.18793.29393.24882.77692.7641
H72.26291.07853.22402.05103.15382.77694.2863
H82.23463.23771.07693.19912.04932.76414.2863

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.043 C1 C2 H7 129.076
C1 C3 O5 110.396 C1 C3 H8 133.677
C2 C1 C3 102.637 C2 C1 H6 128.875
C2 N4 O5 105.699 C3 C1 H6 128.489
C3 O5 N4 109.225 N4 C2 H7 118.882
O5 C3 H8 115.927
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.125      
2 C -0.155      
3 C -0.051      
4 N -0.055      
5 O -0.116      
6 H 0.174      
7 H 0.165      
8 H 0.164      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.682 1.568 0.000 3.107
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.857 -2.668 0.000
y -2.668 -25.101 0.000
z 0.000 0.000 -30.329
Traceless
 xyz
x -1.142 -2.668 0.000
y -2.668 4.492 0.000
z 0.000 0.000 -3.350
Polar
3z2-r2-6.700
x2-y2-3.756
xy-2.668
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.522 -0.185 0.000
y -0.185 6.960 0.000
z 0.000 0.000 3.758


<r2> (average value of r2) Å2
<r2> 76.291
(<r2>)1/2 8.734