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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: wB97X-D/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-245.902326
Energy at 298.15K 
HF Energy-245.902326
Nuclear repulsion energy159.598961
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/LANL2DZ
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' 3373 3373 0.01 121.41 0.10 0.18
2 A' 3346 3346 0.47 33.90 0.70 0.82
3 A' 3329 3329 0.68 75.77 0.45 0.62
4 A' 1600 1600 10.28 3.68 0.25 0.40
5 A' 1464 1464 30.40 38.17 0.32 0.49
6 A' 1395 1395 4.63 5.15 0.22 0.35
7 A' 1252 1252 8.51 10.33 0.32 0.48
8 A' 1161 1161 26.37 8.36 0.36 0.53
9 A' 1099 1099 4.21 10.03 0.11 0.19
10 A' 1056 1056 15.07 2.51 0.75 0.86
11 A' 942 942 7.21 7.83 0.62 0.77
12 A' 919 919 0.20 2.23 0.62 0.77
13 A' 875 875 29.58 8.29 0.22 0.37
14 A" 951 951 0.58 1.74 0.75 0.86
15 A" 905 905 5.70 0.67 0.75 0.86
16 A" 814 814 105.98 0.10 0.75 0.86
17 A" 644 644 7.40 0.21 0.75 0.86
18 A" 602 602 11.74 2.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12862.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12862.2 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 wB97X-D/LANL2DZ
ABC
0.31963 0.30928 0.15719

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.130 0.380 0.000
C2 0.637 -0.969 0.000
C3 0.000 1.151 0.000
N4 -0.694 -1.022 0.000
O5 -1.114 0.345 0.000
H6 2.156 0.703 0.000
H7 1.195 -1.891 0.000
H8 -0.182 2.212 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.43581.36832.30042.24441.07582.27192.2537
C21.43582.21351.33192.18902.25921.07853.2846
C31.36832.21352.28121.37512.20213.26891.0765
N42.30041.33192.28121.43003.33162.07983.2745
O52.24442.18901.37511.43003.28973.21482.0870
H61.07582.25922.20213.33163.28972.76682.7825
H72.27191.07853.26892.07983.21482.76684.3285
H82.25373.28461.07653.27452.08702.78254.3285

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.381 C1 C2 H7 128.714
C1 C3 O5 109.790 C1 C3 H8 134.044
C2 C1 C3 104.228 C2 C1 H6 127.603
C2 N4 O5 104.793 C3 C1 H6 128.169
C3 O5 N4 108.808 N4 C2 H7 118.905
O5 C3 H8 116.166
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.293      
2 C -0.207      
3 C -0.068      
4 N -0.012      
5 O -0.224      
6 H 0.261      
7 H 0.271      
8 H 0.271      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.308 1.662 0.000 3.702
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.334 -2.850 0.000
y -2.850 -24.681 0.000
z 0.000 0.000 -30.395
Traceless
 xyz
x -1.796 -2.850 0.000
y -2.850 5.184 0.000
z 0.000 0.000 -3.387
Polar
3z2-r2-6.774
x2-y2-4.653
xy-2.850
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.034 -0.272 0.000
y -0.272 6.559 0.000
z 0.000 0.000 2.506


<r2> (average value of r2) Å2
<r2> 78.756
(<r2>)1/2 8.874