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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: M06-2X/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 M06-2X/6-311+G(3df,2p)
 hartrees
Energy at 0K-246.021280
Energy at 298.15K 
HF Energy-246.021280
Nuclear repulsion energy163.343877
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/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' 3313 3313 0.92 104.74 0.11 0.20
2 A' 3284 3284 0.60 53.76 0.53 0.69
3 A' 3268 3268 0.33 84.52 0.34 0.51
4 A' 1636 1636 12.65 2.12 0.06 0.12
5 A' 1494 1494 33.32 44.61 0.15 0.25
6 A' 1424 1424 10.07 2.30 0.30 0.46
7 A' 1272 1272 8.64 15.02 0.12 0.21
8 A' 1188 1188 16.96 2.37 0.23 0.37
9 A' 1144 1144 10.42 13.79 0.11 0.20
10 A' 1048 1048 2.48 2.56 0.45 0.62
11 A' 978 978 41.00 4.25 0.13 0.23
12 A' 938 938 5.36 2.32 0.69 0.82
13 A' 932 932 2.39 1.79 0.69 0.82
14 A" 939 939 5.31 0.46 0.75 0.86
15 A" 911 911 0.21 0.39 0.75 0.86
16 A" 796 796 61.08 0.09 0.75 0.86
17 A" 664 664 1.06 0.22 0.75 0.86
18 A" 619 619 14.49 0.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12924.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12924.0 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/6-311+G(3df,2p)
ABC
0.33309 0.32553 0.16463

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.122 0.366 0.000
C2 0.608 -0.960 0.000
C3 0.000 1.117 0.000
N4 -0.692 -0.975 0.000
O5 -1.080 0.338 0.000
H6 2.145 0.693 0.000
H7 1.142 -1.896 0.000
H8 -0.181 2.178 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42141.35032.25502.20231.07402.26172.2325
C21.42142.16411.29992.12982.25641.07793.2357
C31.35032.16412.20331.33182.18643.22241.0764
N42.25501.29992.20331.36943.29022.05223.1940
O52.20232.12981.33181.36943.24453.15152.0478
H61.07402.25642.18643.29023.24452.77602.7601
H72.26171.07793.22242.05223.15152.77604.2838
H82.23253.23571.07643.19402.04782.76014.2838

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.849 C1 C2 H7 129.112
C1 C3 O5 110.391 C1 C3 H8 133.523
C2 C1 C3 102.635 C2 C1 H6 128.916
C2 N4 O5 105.829 C3 C1 H6 128.449
C3 O5 N4 109.297 N4 C2 H7 119.039
O5 C3 H8 116.086
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.224      
2 C 0.338      
3 C 0.286      
4 N -0.566      
5 O -0.460      
6 H 0.202      
7 H 0.210      
8 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.577 1.517 0.000 2.990
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.640 -2.676 0.000
y -2.676 -25.151 0.000
z 0.000 0.000 -30.426
Traceless
 xyz
x -0.851 -2.676 0.000
y -2.676 4.381 0.000
z 0.000 0.000 -3.530
Polar
3z2-r2-7.061
x2-y2-3.488
xy-2.676
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.881 -0.116 0.000
y -0.116 7.456 0.000
z 0.000 0.000 4.372


<r2> (average value of r2) Å2
<r2> 76.128
(<r2>)1/2 8.725