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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-245.882352
Energy at 298.15K 
HF Energy-245.882352
Nuclear repulsion energy160.787511
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 B97D3/6-31G*
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' 3249 3185 1.06 123.13 0.10 0.19
2 A' 3226 3163 1.14 60.41 0.70 0.82
3 A' 3203 3140 4.11 94.99 0.39 0.56
4 A' 1567 1536 7.44 2.30 0.08 0.16
5 A' 1438 1410 27.55 25.08 0.38 0.55
6 A' 1374 1347 3.32 2.94 0.11 0.20
7 A' 1221 1197 4.58 12.17 0.23 0.37
8 A' 1129 1107 18.43 5.88 0.56 0.72
9 A' 1106 1084 6.44 7.91 0.12 0.21
10 A' 1031 1011 8.39 4.46 0.72 0.84
11 A' 915 897 6.66 4.30 0.68 0.81
12 A' 900 882 0.83 0.94 0.46 0.63
13 A' 821 805 21.53 5.75 0.15 0.26
14 A" 864 847 5.51 2.52 0.75 0.86
15 A" 815 799 0.12 0.27 0.75 0.86
16 A" 754 739 47.38 1.56 0.75 0.86
17 A" 628 616 2.36 0.43 0.75 0.86
18 A" 591 580 12.77 1.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12414.9 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 12171.5 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 B97D3/6-31G*
ABC
0.32271 0.31578 0.15961

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.133 0.369 0.000
C2 0.624 -0.963 0.000
C3 0.000 1.135 0.000
N4 -0.698 -1.005 0.000
O5 -1.102 0.348 0.000
H6 2.166 0.697 0.000
H7 1.175 -1.899 0.000
H8 -0.187 2.203 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42591.36762.28942.23501.08342.26902.2597
C21.42592.18821.32252.16702.26551.08703.2680
C31.36762.18822.25061.35372.20953.25391.0846
N42.28941.32252.25061.41213.33142.07583.2485
O52.23502.16701.35371.41213.28613.19942.0682
H61.08342.26552.20953.33143.28612.77922.7935
H72.26901.08703.25392.07583.19942.77924.3229
H82.25973.26801.08463.24852.06822.79354.3229

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.761 C1 C2 H7 128.596
C1 C3 O5 110.433 C1 C3 H8 133.973
C2 C1 C3 103.114 C2 C1 H6 128.554
C2 N4 O5 104.782 C3 C1 H6 128.332
C3 O5 N4 108.910 N4 C2 H7 118.643
O5 C3 H8 115.594
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.235      
2 C 0.045      
3 C 0.136      
4 N -0.159      
5 O -0.300      
6 H 0.160      
7 H 0.172      
8 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.502 1.487 0.000 2.910
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.971 -2.438 0.000
y -2.438 -24.566 0.000
z 0.000 0.000 -29.449
Traceless
 xyz
x -0.963 -2.438 0.000
y -2.438 4.144 0.000
z 0.000 0.000 -3.180
Polar
3z2-r2-6.361
x2-y2-3.405
xy-2.438
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.116 -0.214 0.000
y -0.214 6.854 0.000
z 0.000 0.000 2.467


<r2> (average value of r2) Å2
<r2> 77.427
(<r2>)1/2 8.799