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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: BLYP/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-246.068424
Energy at 298.15K 
HF Energy-246.068424
Nuclear repulsion energy160.348790
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/aug-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' 3199 3188 0.09 138.76 0.10 0.19
2 A' 3176 3165 0.04 67.33 0.63 0.77
3 A' 3152 3141 0.94 97.37 0.35 0.52
4 A' 1529 1524 9.19 5.10 0.01 0.01
5 A' 1398 1394 27.45 34.19 0.24 0.38
6 A' 1347 1343 3.84 5.44 0.02 0.05
7 A' 1199 1195 4.05 17.50 0.08 0.14
8 A' 1106 1102 19.53 7.40 0.26 0.41
9 A' 1068 1064 9.75 11.41 0.04 0.08
10 A' 1010 1007 11.12 2.47 0.72 0.83
11 A' 903 900 7.52 2.59 0.74 0.85
12 A' 881 878 1.54 0.41 0.52 0.68
13 A' 756 753 18.38 7.09 0.12 0.22
14 A" 880 877 5.38 0.26 0.75 0.86
15 A" 838 836 0.35 0.54 0.75 0.86
16 A" 754 751 61.16 0.13 0.75 0.86
17 A" 620 618 3.88 0.10 0.75 0.86
18 A" 586 584 10.38 0.39 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12201.4 cm-1
Scaled (by 0.9966) Zero Point Vibrational Energy (zpe) 12159.9 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/aug-cc-pVTZ
ABC
0.32210 0.31293 0.15873

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-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 -1.895 0.000
H8 -0.177 2.205 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42701.36422.28902.23811.08062.26772.2511
C21.42702.19291.31822.18072.26221.08483.2697
C31.36422.19292.26271.35672.20183.25531.0825
N42.28901.31822.26271.43573.32662.06883.2634
O52.23812.18071.35671.43573.28533.21272.0711
H61.08062.26222.20183.32663.28532.77352.7776
H72.26771.08483.25532.06883.21272.77354.3203
H82.25113.26971.08253.26342.07112.77764.3203

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.924 C1 C2 H7 128.552
C1 C3 O5 110.681 C1 C3 H8 133.547
C2 C1 C3 103.543 C2 C1 H6 128.348
C2 N4 O5 104.637 C3 C1 H6 128.108
C3 O5 N4 108.215 N4 C2 H7 118.524
O5 C3 H8 115.773
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.129      
2 C -0.201      
3 C -0.408      
4 N -0.340      
5 O -0.301      
6 H 0.330      
7 H 0.509      
8 H 0.540      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.607 1.478 0.000 2.997
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.211 -2.670 0.000
y -2.670 -25.810 0.000
z 0.000 0.000 -30.508
Traceless
 xyz
x -1.053 -2.670 0.000
y -2.670 4.050 0.000
z 0.000 0.000 -2.997
Polar
3z2-r2-5.994
x2-y2-3.402
xy-2.670
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.497 -0.061 0.000
y -0.061 8.273 0.000
z 0.000 0.000 4.700


<r2> (average value of r2) Å2
<r2> 78.449
(<r2>)1/2 8.857