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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: TPSSh/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-246.134699
Energy at 298.15K 
HF Energy-246.134699
Nuclear repulsion energy162.194541
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/6-311+G(3df,2p)
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 0.05 129.73 0.10 0.19
2 A' 3250 3250 0.01 57.64 0.66 0.80
3 A' 3228 3228 1.29 93.03 0.37 0.54
4 A' 1591 1591 10.07 3.35 0.01 0.03
5 A' 1458 1458 31.04 35.39 0.21 0.35
6 A' 1401 1401 5.05 3.99 0.04 0.08
7 A' 1247 1247 5.30 17.13 0.08 0.15
8 A' 1154 1154 21.25 4.30 0.30 0.46
9 A' 1122 1122 8.24 13.66 0.06 0.11
10 A' 1047 1047 7.27 2.51 0.59 0.74
11 A' 926 926 10.18 2.69 0.70 0.82
12 A' 907 907 0.98 0.70 0.50 0.67
13 A' 874 874 23.15 5.87 0.14 0.24
14 A" 915 915 6.25 0.22 0.75 0.86
15 A" 875 875 0.07 0.60 0.75 0.86
16 A" 786 786 63.22 0.14 0.75 0.86
17 A" 644 644 2.34 0.15 0.75 0.86
18 A" 606 606 11.81 0.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12652.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12652.0 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/6-311+G(3df,2p)
ABC
0.32844 0.32120 0.16239

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.125 0.366 0.000
C2 0.617 -0.959 0.000
C3 0.000 1.125 0.000
N4 -0.692 -0.992 0.000
O5 -1.091 0.346 0.000
H6 2.149 0.694 0.000
H7 1.159 -1.892 0.000
H8 -0.183 2.187 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41901.35632.26822.21601.07592.25892.2412
C21.41902.17271.30882.14912.25371.07983.2454
C31.35632.17272.22711.34082.19233.23201.0777
N42.26821.30882.22711.39643.30372.05813.2196
O52.21602.14911.34081.39643.25943.17392.0531
H61.07592.25372.19233.30373.25942.76902.7693
H72.25891.07983.23202.05813.17392.76904.2941
H82.24123.24541.07773.21962.05312.76934.2941

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.444 C1 C2 H7 128.867
C1 C3 O5 110.488 C1 C3 H8 133.759
C2 C1 C3 103.024 C2 C1 H6 128.677
C2 N4 O5 105.155 C3 C1 H6 128.299
C3 O5 N4 108.889 N4 C2 H7 118.688
O5 C3 H8 115.753
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.055      
2 C 0.411      
3 C 0.371      
4 N -0.607      
5 O -0.450      
6 H 0.106      
7 H 0.110      
8 H 0.115      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.569 1.511 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 7.094 -0.075 0.000
y -0.075 7.773 0.000
z 0.000 0.000 4.467


<r2> (average value of r2) Å2
<r2> 76.815
(<r2>)1/2 8.764