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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-246.111292
Energy at 298.15K 
HF Energy-246.111292
Nuclear repulsion energy161.899097
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' 3283 3283 0.17 124.47 0.12 0.22
2 A' 3260 3260 0.03 56.99 0.70 0.83
3 A' 3236 3236 1.81 94.22 0.40 0.57
4 A' 1594 1594 8.78 1.88 0.09 0.16
5 A' 1461 1461 31.35 29.98 0.31 0.48
6 A' 1398 1398 4.45 2.71 0.14 0.24
7 A' 1243 1243 6.36 11.90 0.20 0.33
8 A' 1150 1150 23.41 4.27 0.50 0.67
9 A' 1121 1121 8.83 10.15 0.13 0.22
10 A' 1048 1048 8.24 3.33 0.64 0.78
11 A' 926 926 9.25 4.54 0.65 0.79
12 A' 907 907 0.65 1.12 0.50 0.66
13 A' 871 871 24.88 5.35 0.19 0.32
14 A" 905 905 5.65 1.31 0.75 0.86
15 A" 872 872 0.48 0.07 0.75 0.86
16 A" 791 791 61.18 0.45 0.75 0.86
17 A" 642 642 2.72 0.24 0.75 0.86
18 A" 605 605 13.12 0.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12655.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12655.4 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
0.32733 0.31992 0.16179

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 1.127 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 2.154 0.695 0.000
H7 1.160 -1.894 0.000
H8 -0.186 2.190 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42161.35892.27402.22041.07722.26252.2453
C21.42162.17601.31172.15162.25691.08093.2497
C31.35892.17602.23231.34412.19653.23651.0786
N42.27401.31172.23231.39833.31042.06043.2246
O52.22042.15161.34411.39833.26553.17702.0556
H61.07722.25692.19653.31043.26552.77282.7761
H72.26251.08093.23652.06043.17702.77284.2999
H82.24533.24971.07863.22462.05562.77614.2999

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.543 C1 C2 H7 128.886
C1 C3 O5 110.461 C1 C3 H8 133.874
C2 C1 C3 102.971 C2 C1 H6 128.645
C2 N4 O5 105.064 C3 C1 H6 128.384
C3 O5 N4 108.960 N4 C2 H7 118.571
O5 C3 H8 115.665
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 -0.330      
2 C 0.122      
3 C 0.196      
4 N -0.154      
5 O -0.202      
6 H 0.111      
7 H 0.123      
8 H 0.133      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.570 1.508 0.000 2.980
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 6.269 -0.219 0.000
y -0.219 6.957 0.000
z 0.000 0.000 3.017


<r2> (average value of r2) Å2
<r2> 76.871
(<r2>)1/2 8.768