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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: BLYP/daug-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 BLYP/daug-cc-pVTZ
 hartrees
Energy at 0K-246.068847
Energy at 298.15K 
HF Energy-246.068847
Nuclear repulsion energy160.349041
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 BLYP/daug-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' 3198 3198 0.09 137.90 0.10 0.19
2 A' 3175 3175 0.04 67.89 0.62 0.77
3 A' 3150 3150 0.94 97.28 0.35 0.52
4 A' 1529 1529 9.12 5.12 0.00 0.01
5 A' 1398 1398 27.32 34.52 0.24 0.38
6 A' 1348 1348 3.92 5.30 0.02 0.05
7 A' 1199 1199 4.02 17.75 0.07 0.14
8 A' 1106 1106 19.43 7.47 0.25 0.40
9 A' 1068 1068 9.81 11.38 0.04 0.08
10 A' 1010 1010 11.05 2.48 0.71 0.83
11 A' 903 903 7.53 2.53 0.74 0.85
12 A' 881 881 1.54 0.40 0.52 0.69
13 A' 756 756 18.32 7.18 0.12 0.21
14 A" 879 879 5.68 0.27 0.75 0.86
15 A" 838 838 0.30 0.54 0.75 0.86
16 A" 755 755 60.67 0.12 0.75 0.86
17 A" 620 620 3.96 0.10 0.75 0.86
18 A" 586 586 10.19 0.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12199.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12199.6 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 BLYP/daug-cc-pVTZ
ABC
0.32211 0.31293 0.15873

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.129 0.372 0.000
C2 0.627 -0.964 0.000
C3 0.000 1.137 0.000
N4 -0.690 -1.018 0.000
O5 -1.109 0.356 0.000
H6 2.158 0.701 0.000
H7 1.183 -1.896 0.000
H8 -0.177 2.205 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42701.36412.28902.23811.08062.26792.2512
C21.42702.19291.31822.18072.26231.08483.2697
C31.36412.19292.26271.35672.20193.25541.0825
N42.28901.31822.26271.43573.32672.06883.2634
O52.23812.18071.35671.43573.28543.21272.0711
H61.08062.26232.20193.32673.28542.77372.7777
H72.26791.08483.25542.06883.21272.77374.3205
H82.25123.26971.08253.26342.07112.77774.3205

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.923 C1 C2 H7 128.561
C1 C3 O5 110.683 C1 C3 H8 133.552
C2 C1 C3 103.541 C2 C1 H6 128.349
C2 N4 O5 104.638 C3 C1 H6 128.109
C3 O5 N4 108.215 N4 C2 H7 118.516
O5 C3 H8 115.766
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.190      
2 C -0.189      
3 C -0.934      
4 N -0.661      
5 O -0.774      
6 H 0.568      
7 H 1.075      
8 H 1.105      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.603 1.478 0.000 2.994
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.202 -2.666 0.000
y -2.666 -25.815 0.000
z 0.000 0.000 -30.502
Traceless
 xyz
x -1.044 -2.666 0.000
y -2.666 4.037 0.000
z 0.000 0.000 -2.993
Polar
3z2-r2-5.987
x2-y2-3.387
xy-2.666
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.510 -0.059 0.000
y -0.059 8.288 0.000
z 0.000 0.000 4.709


<r2> (average value of r2) Å2
<r2> 78.447
(<r2>)1/2 8.857