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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: wB97X-D/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-246.040469
Energy at 298.15K 
HF Energy-246.040469
Nuclear repulsion energy163.232663
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/aug-cc-pVTZ
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' 3305 3161 0.15 120.80 0.09 0.17
2 A' 3280 3138 0.11 48.38 0.65 0.79
3 A' 3263 3121 0.90 87.77 0.36 0.53
4 A' 1630 1559 12.11 2.92 0.03 0.05
5 A' 1493 1428 33.89 43.47 0.17 0.29
6 A' 1425 1363 7.97 3.06 0.12 0.22
7 A' 1269 1214 7.73 16.88 0.09 0.17
8 A' 1178 1127 19.62 1.72 0.31 0.48
9 A' 1143 1093 9.52 14.96 0.10 0.18
10 A' 1052 1006 4.22 2.31 0.48 0.65
11 A' 952 911 29.45 3.77 0.20 0.33
12 A' 933 892 4.23 4.53 0.39 0.56
13 A' 931 890 8.31 0.43 0.11 0.19
14 A" 939 898 5.37 0.40 0.75 0.86
15 A" 907 868 0.17 0.60 0.75 0.86
16 A" 798 763 65.13 0.15 0.75 0.86
17 A" 661 632 1.63 0.18 0.75 0.86
18 A" 618 592 13.66 0.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12886.8 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 12327.5 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/aug-cc-pVTZ
ABC
0.33242 0.32543 0.16445

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.120 0.364 0.000
C2 0.610 -0.958 0.000
C3 0.000 1.117 0.000
N4 -0.691 -0.978 0.000
O5 -1.083 0.341 0.000
H6 2.143 0.691 0.000
H7 1.147 -1.892 0.000
H8 -0.178 2.179 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41741.34982.25422.20301.07392.25692.2309
C21.41742.16331.30112.13402.25161.07763.2343
C31.34982.16332.20631.33212.18513.22101.0762
N42.25421.30112.20631.37623.28892.05293.1981
O52.20302.13401.33211.37623.24473.15612.0482
H61.07392.25162.18513.28893.24472.76892.7567
H72.25691.07763.22102.05293.15612.76894.2813
H82.23093.23431.07623.19812.04822.75674.2813

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.967 C1 C2 H7 129.021
C1 C3 O5 110.454 C1 C3 H8 133.417
C2 C1 C3 102.819 C2 C1 H6 128.808
C2 N4 O5 105.666 C3 C1 H6 128.372
C3 O5 N4 109.094 N4 C2 H7 119.012
O5 C3 H8 116.129
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.195      
2 C -0.118      
3 C -0.368      
4 N -0.449      
5 O -0.290      
6 H 0.372      
7 H 0.533      
8 H 0.514      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.571 1.534 0.000 2.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.449 -2.727 0.000
y -2.727 -25.067 0.000
z 0.000 0.000 -30.054
Traceless
 xyz
x -0.888 -2.727 0.000
y -2.727 4.184 0.000
z 0.000 0.000 -3.296
Polar
3z2-r2-6.593
x2-y2-3.382
xy-2.727
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.018 -0.090 0.000
y -0.090 7.612 0.000
z 0.000 0.000 4.496


<r2> (average value of r2) Å2
<r2> 76.047
(<r2>)1/2 8.720