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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: TPSSh/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-246.157951
Energy at 298.15K 
HF Energy-246.157951
Nuclear repulsion energy162.169902
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/aug-cc-pVQZ
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' 3274 3274 0.06 132.24 0.10 0.18
2 A' 3250 3250 0.01 57.05 0.67 0.80
3 A' 3228 3228 1.37 93.74 0.37 0.54
4 A' 1591 1591 10.10 3.69 0.01 0.02
5 A' 1457 1457 30.88 36.46 0.21 0.35
6 A' 1400 1400 4.90 4.36 0.04 0.07
7 A' 1246 1246 5.26 17.48 0.08 0.14
8 A' 1151 1151 21.30 4.98 0.28 0.43
9 A' 1119 1119 8.51 13.28 0.06 0.11
10 A' 1046 1046 7.47 2.44 0.59 0.74
11 A' 925 925 10.21 2.43 0.70 0.82
12 A' 907 907 1.18 0.72 0.53 0.69
13 A' 870 870 22.88 6.16 0.12 0.22
14 A" 915 915 5.97 0.24 0.75 0.86
15 A" 878 878 0.07 0.59 0.75 0.86
16 A" 789 789 63.09 0.11 0.75 0.86
17 A" 644 644 2.36 0.16 0.75 0.86
18 A" 606 606 11.81 0.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12646.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12646.5 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 TPSSh/aug-cc-pVQZ
ABC
0.32843 0.32101 0.16234

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.124 0.367 0.000
C2 0.617 -0.959 0.000
C3 0.000 1.125 0.000
N4 -0.691 -0.993 0.000
O5 -1.092 0.345 0.000
H6 2.148 0.694 0.000
H7 1.160 -1.891 0.000
H8 -0.182 2.187 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41891.35582.26792.21611.07552.25812.2400
C21.41892.17311.30852.14992.25311.07923.2452
C31.35582.17312.22821.34182.19113.23171.0771
N42.26791.30852.22821.39763.30292.05763.2205
O52.21612.14991.34181.39763.25913.17432.0540
H61.07552.25312.19113.30293.25912.76762.7671
H72.25811.07923.23172.05763.17432.76764.2930
H82.24003.24521.07713.22052.05402.76714.2930

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.448 C1 C2 H7 128.844
C1 C3 O5 110.473 C1 C3 H8 133.726
C2 C1 C3 103.079 C2 C1 H6 128.658
C2 N4 O5 105.162 C3 C1 H6 128.263
C3 O5 N4 108.839 N4 C2 H7 118.709
O5 C3 H8 115.802
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.782      
2 C -0.446      
3 C -0.484      
4 N -0.183      
5 O -0.322      
6 H 0.704      
7 H 0.703      
8 H 0.810      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.552 1.500 0.000 2.960
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 7.147 -0.076 0.000
y -0.076 7.857 0.000
z 0.000 0.000 4.493


<r2> (average value of r2) Å2
<r2> 76.824
(<r2>)1/2 8.765