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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: TPSSh/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-311G*
 hartrees
Energy at 0K-246.105765
Energy at 298.15K 
HF Energy-246.105765
Nuclear repulsion energy161.880836
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 TPSSh/6-311G*
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' 3284 3164 1.05 124.65 0.12 0.22
2 A' 3262 3142 0.70 52.90 0.74 0.85
3 A' 3239 3120 3.45 92.95 0.42 0.59
4 A' 1599 1540 9.10 1.77 0.08 0.14
5 A' 1465 1412 32.08 29.39 0.32 0.48
6 A' 1404 1352 4.37 2.49 0.13 0.24
7 A' 1248 1202 6.22 11.76 0.19 0.32
8 A' 1154 1111 23.70 4.40 0.49 0.66
9 A' 1123 1082 9.04 9.76 0.13 0.23
10 A' 1051 1012 8.13 3.12 0.64 0.78
11 A' 928 894 9.13 4.54 0.65 0.79
12 A' 907 874 0.69 1.08 0.51 0.67
13 A' 869 837 24.94 5.51 0.18 0.31
14 A" 895 863 6.75 1.41 0.75 0.86
15 A" 859 828 0.19 0.07 0.75 0.86
16 A" 784 756 61.90 0.47 0.75 0.86
17 A" 642 618 2.65 0.24 0.75 0.86
18 A" 604 582 13.84 1.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12659.4 cm-1
Scaled (by 0.9632) Zero Point Vibrational Energy (zpe) 12193.6 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 TPSSh/6-311G*
ABC
0.32722 0.31990 0.16176

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.128 0.368 0.000
C2 0.618 -0.959 0.000
C3 0.000 1.127 0.000
N4 -0.693 -0.995 0.000
O5 -1.093 0.345 0.000
H6 2.155 0.695 0.000
H7 1.159 -1.895 0.000
H8 -0.190 2.189 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42171.35902.27482.22101.07812.26372.2475
C21.42172.17521.31152.15162.25811.08153.2498
C31.35902.17522.23241.34362.19773.23661.0790
N42.27481.31152.23241.39933.31212.05923.2236
O52.22102.15161.34361.39933.26693.17712.0525
H61.07812.25812.19773.31213.26692.77532.7804
H72.26371.08153.23662.05923.17712.77534.3012
H82.24753.24981.07903.22362.05252.78044.3012

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.607 C1 C2 H7 128.954
C1 C3 O5 110.531 C1 C3 H8 134.079
C2 C1 C3 102.908 C2 C1 H6 128.673
C2 N4 O5 105.022 C3 C1 H6 128.419
C3 O5 N4 108.932 N4 C2 H7 118.439
O5 C3 H8 115.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.421      
2 C 0.025      
3 C 0.097      
4 N -0.152      
5 O -0.201      
6 H 0.202      
7 H 0.219      
8 H 0.230      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.584 1.516 0.000 2.996
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.231 -0.213 0.000
y -0.213 6.907 0.000
z 0.000 0.000 2.959


<r2> (average value of r2) Å2
<r2> 76.885
(<r2>)1/2 8.768