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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-246.138181
Energy at 298.15K 
HF Energy-246.138181
Nuclear repulsion energy162.079589
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/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' 3275 3172 0.14 125.99 0.13 0.22
2 A' 3251 3148 0.03 59.21 0.64 0.78
3 A' 3228 3126 1.75 95.03 0.38 0.55
4 A' 1593 1543 9.29 2.28 0.07 0.13
5 A' 1459 1413 30.51 29.63 0.27 0.42
6 A' 1400 1356 5.13 2.86 0.09 0.17
7 A' 1244 1205 5.53 13.62 0.14 0.25
8 A' 1151 1114 21.81 4.22 0.47 0.64
9 A' 1121 1086 7.92 10.53 0.10 0.18
10 A' 1046 1013 7.56 3.07 0.64 0.78
11 A' 924 895 9.58 3.68 0.63 0.77
12 A' 907 878 1.06 1.00 0.54 0.70
13 A' 868 840 23.39 5.40 0.16 0.28
14 A" 912 883 5.69 0.87 0.75 0.86
15 A" 874 846 0.06 0.09 0.75 0.86
16 A" 787 762 58.18 0.20 0.75 0.86
17 A" 645 624 2.91 0.20 0.75 0.86
18 A" 606 587 12.27 0.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12645.4 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 12244.6 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/cc-pVTZ
ABC
0.32803 0.32071 0.16216

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.125 0.367 0.000
C2 0.618 -0.958 0.000
C3 0.000 1.125 0.000
N4 -0.691 -0.995 0.000
O5 -1.093 0.345 0.000
H6 2.149 0.695 0.000
H7 1.162 -1.891 0.000
H8 -0.183 2.187 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41901.35602.26982.21781.07612.25852.2408
C21.41902.17281.30932.15072.25381.07993.2457
C31.35602.17282.22971.34282.19213.23201.0778
N42.26981.30932.22971.39913.30532.05823.2225
O52.21782.15071.34281.39913.26153.17572.0549
H61.07612.25382.19213.30533.26152.76822.7686
H72.25851.07993.23202.05823.17572.76824.2941
H82.24083.24571.07783.22252.05492.76864.2941

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.534 C1 C2 H7 128.817
C1 C3 O5 110.521 C1 C3 H8 133.728
C2 C1 C3 103.048 C2 C1 H6 128.664
C2 N4 O5 105.095 C3 C1 H6 128.288
C3 O5 N4 108.803 N4 C2 H7 118.649
O5 C3 H8 115.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.204      
2 C -0.007      
3 C 0.064      
4 N -0.096      
5 O -0.100      
6 H 0.113      
7 H 0.107      
8 H 0.121      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.477 1.482 0.000 2.887
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 6.608 -0.188 0.000
y -0.188 7.310 0.000
z 0.000 0.000 3.611


<r2> (average value of r2) Å2
<r2> 76.726
(<r2>)1/2 8.759