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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B2PLYP/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 B2PLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-245.944533
Energy at 298.15K 
HF Energy-245.638277
Nuclear repulsion energy162.096518
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 B2PLYP/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' 3303 3174 0.12 127.47 0.09 0.17
2 A' 3280 3152 0.30 51.96 0.66 0.79
3 A' 3261 3134 0.48 88.68 0.36 0.53
4 A' 1586 1524 9.77 4.70 0.01 0.01
5 A' 1456 1399 31.73 35.96 0.22 0.36
6 A' 1401 1346 4.73 4.78 0.02 0.04
7 A' 1245 1196 5.16 17.69 0.07 0.13
8 A' 1154 1109 22.43 3.80 0.30 0.46
9 A' 1123 1079 7.29 14.06 0.06 0.12
10 A' 1047 1006 6.94 2.37 0.62 0.77
11 A' 932 896 10.15 2.71 0.66 0.79
12 A' 914 878 1.27 0.63 0.51 0.67
13 A' 865 831 22.53 7.36 0.12 0.21
14 A" 917 882 5.68 0.23 0.75 0.86
15 A" 880 846 0.18 0.67 0.75 0.86
16 A" 788 757 63.29 0.15 0.75 0.86
17 A" 647 621 2.34 0.14 0.75 0.86
18 A" 609 585 12.34 0.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12703.4 cm-1
Scaled (by 0.961) Zero Point Vibrational Energy (zpe) 12208.0 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 B2PLYP/aug-cc-pVTZ
ABC
0.32797 0.32084 0.16218

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.124 0.366 0.000
C2 0.619 -0.959 0.000
C3 0.000 1.126 0.000
N4 -0.691 -0.994 0.000
O5 -1.093 0.346 0.000
H6 2.146 0.694 0.000
H7 1.161 -1.890 0.000
H8 -0.179 2.186 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41841.35632.26752.21711.07332.25632.2378
C21.41842.17511.31032.15332.25051.07693.2450
C31.35632.17512.22941.34292.18863.23151.0752
N42.26751.31032.22941.39913.30072.05733.2208
O52.21712.15331.34291.39913.25763.17532.0548
H61.07332.25052.18863.30073.25762.76522.7619
H72.25631.07693.23152.05733.17532.76524.2905
H82.23783.24501.07523.22082.05482.76194.2905

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.345 C1 C2 H7 128.933
C1 C3 O5 110.446 C1 C3 H8 133.630
C2 C1 C3 103.223 C2 C1 H6 128.634
C2 N4 O5 105.218 C3 C1 H6 128.143
C3 O5 N4 108.768 N4 C2 H7 118.723
O5 C3 H8 115.924
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.171      
2 C -0.263      
3 C -0.515      
4 N -0.386      
5 O -0.264      
6 H 0.413      
7 H 0.581      
8 H 0.605      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.619 1.511 0.000 3.023
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.942 -2.697 -0.007
y -2.697 -25.533 -0.001
z -0.007 -0.001 -30.474
Traceless
 xyz
x -0.938 -2.697 -0.007
y -2.697 4.175 -0.001
z -0.007 -0.001 -3.236
Polar
3z2-r2-6.473
x2-y2-3.409
xy-2.697
xz-0.007
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.137 -0.086 0.002
y -0.086 7.810 0.001
z 0.002 0.001 4.539


<r2> (average value of r2) Å2
<r2> 77.084
(<r2>)1/2 8.780