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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: wB97X-D/6-31G

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/6-31G
 hartrees
Energy at 0K-245.860767
Energy at 298.15K 
HF Energy-245.860767
Nuclear repulsion energy160.175243
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/6-31G
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' 3365 3365 0.53 118.86 0.11 0.20
2 A' 3340 3340 0.68 37.30 0.54 0.70
3 A' 3325 3325 0.79 80.35 0.49 0.66
4 A' 1619 1619 8.62 2.34 0.11 0.20
5 A' 1481 1481 29.70 32.01 0.38 0.55
6 A' 1411 1411 6.05 3.91 0.13 0.23
7 A' 1268 1268 8.21 8.74 0.30 0.46
8 A' 1170 1170 20.20 8.21 0.52 0.68
9 A' 1110 1110 5.43 7.58 0.15 0.25
10 A' 1069 1069 13.46 2.89 0.75 0.86
11 A' 949 949 4.37 5.52 0.65 0.79
12 A' 932 932 1.30 1.58 0.61 0.75
13 A' 822 822 24.09 8.42 0.18 0.31
14 A" 966 966 2.99 1.99 0.75 0.86
15 A" 929 929 2.63 1.02 0.75 0.86
16 A" 820 820 80.58 0.94 0.75 0.86
17 A" 647 647 6.46 0.06 0.75 0.86
18 A" 606 606 11.80 1.54 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12914.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12914.5 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/6-31G
ABC
0.32306 0.31062 0.15836

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.122 0.379 0.000
C2 0.633 -0.963 0.000
C3 0.000 1.146 0.000
N4 -0.688 -1.025 0.000
O5 -1.110 0.347 0.000
H6 2.148 0.700 0.000
H7 1.196 -1.881 0.000
H8 -0.181 2.206 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42851.35972.29062.23241.07542.26122.2446
C21.42852.20241.32162.18032.25071.07733.2722
C31.35972.20242.27801.36772.19423.25541.0753
N42.29061.32162.27801.43623.31982.06923.2711
O52.23242.18031.36771.43623.27753.20712.0782
H61.07542.25072.19423.31983.27752.75162.7738
H72.26121.07733.25542.06923.20712.75164.3134
H82.24463.27221.07533.27112.07822.77384.3134

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.744 C1 C2 H7 128.396
C1 C3 O5 109.876 C1 C3 H8 134.063
C2 C1 C3 104.325 C2 C1 H6 127.450
C2 N4 O5 104.408 C3 C1 H6 128.225
C3 O5 N4 108.647 N4 C2 H7 118.859
O5 C3 H8 116.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.238      
2 C -0.028      
3 C 0.125      
4 N -0.119      
5 O -0.406      
6 H 0.207      
7 H 0.225      
8 H 0.233      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.265 1.617 0.000 3.643
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.230 -2.688 0.000
y -2.688 -24.597 0.000
z 0.000 0.000 -29.940
Traceless
 xyz
x -1.961 -2.688 0.000
y -2.688 4.988 0.000
z 0.000 0.000 -3.027
Polar
3z2-r2-6.054
x2-y2-4.633
xy-2.688
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.909 -0.271 0.000
y -0.271 6.498 0.000
z 0.000 0.000 2.155


<r2> (average value of r2) Å2
<r2> 78.176
(<r2>)1/2 8.842