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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: TPSSh/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/cc-pVQZ
 hartrees
Energy at 0K-246.156724
Energy at 298.15K 
HF Energy-246.156724
Nuclear repulsion energy162.184197
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-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' 3273 3273 0.11 131.80 0.10 0.19
2 A' 3250 3250 0.02 58.05 0.66 0.79
3 A' 3227 3227 1.58 95.09 0.37 0.53
4 A' 1592 1592 9.28 2.64 0.03 0.06
5 A' 1458 1458 30.55 31.39 0.24 0.38
6 A' 1400 1400 5.26 3.22 0.06 0.12
7 A' 1246 1246 5.20 14.87 0.11 0.19
8 A' 1151 1151 21.33 4.55 0.38 0.55
9 A' 1120 1120 8.22 11.41 0.08 0.14
10 A' 1046 1046 7.34 2.78 0.62 0.77
11 A' 925 925 9.92 3.13 0.64 0.78
12 A' 907 907 1.14 0.88 0.52 0.69
13 A' 870 870 22.73 5.65 0.15 0.26
14 A" 913 913 6.11 0.61 0.75 0.86
15 A" 875 875 0.03 0.16 0.75 0.86
16 A" 788 788 58.95 0.02 0.75 0.86
17 A" 645 645 2.52 0.18 0.75 0.86
18 A" 606 606 11.98 0.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12645.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12645.4 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/cc-pVQZ
ABC
0.32847 0.32108 0.16237

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/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 -0.958 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 2.186 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41891.35572.26812.21621.07552.25792.2398
C21.41892.17251.30832.14942.25321.07923.2446
C31.35572.17252.22791.34172.19113.23101.0771
N42.26811.30832.22791.39743.30312.05743.2201
O52.21622.14941.34171.39743.25923.17382.0537
H61.07552.25322.19113.30313.25922.76752.7672
H72.25791.07923.23102.05743.17382.76754.2925
H82.23983.24461.07713.22012.05372.76724.2925

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.475 C1 C2 H7 128.822
C1 C3 O5 110.493 C1 C3 H8 133.721
C2 C1 C3 103.047 C2 C1 H6 128.673
C2 N4 O5 105.147 C3 C1 H6 128.280
C3 O5 N4 108.839 N4 C2 H7 118.704
O5 C3 H8 115.786
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.346      
2 C -0.122      
3 C -0.017      
4 N -0.113      
5 O -0.138      
6 H 0.227      
7 H 0.244      
8 H 0.265      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.513 1.496 0.000 2.924
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 6.856 -0.140 0.000
y -0.140 7.547 0.000
z 0.000 0.000 4.049


<r2> (average value of r2) Å2
<r2> 76.725
(<r2>)1/2 8.759