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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: HSEh1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/6-311G**
 hartrees
Energy at 0K-245.838639
Energy at 298.15K 
HF Energy-245.838639
Nuclear repulsion energy163.013868
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 HSEh1PBE/6-311G**
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' 3305 3174 0.11 111.72 0.12 0.22
2 A' 3281 3151 0.15 52.33 0.66 0.79
3 A' 3259 3130 0.90 87.56 0.39 0.56
4 A' 1623 1559 9.23 1.37 0.13 0.23
5 A' 1491 1432 32.56 31.89 0.28 0.44
6 A' 1416 1360 6.53 2.30 0.23 0.37
7 A' 1258 1209 8.46 11.78 0.21 0.35
8 A' 1169 1123 20.29 1.78 0.65 0.79
9 A' 1140 1095 9.73 11.30 0.17 0.29
10 A' 1053 1011 5.90 3.48 0.62 0.77
11 A' 949 911 31.97 4.68 0.24 0.39
12 A' 934 897 6.54 4.50 0.56 0.72
13 A' 930 893 4.03 0.65 0.75 0.86
14 A" 918 881 5.25 1.27 0.75 0.86
15 A" 887 852 0.68 0.11 0.75 0.86
16 A" 795 763 62.79 0.42 0.75 0.86
17 A" 660 634 1.50 0.34 0.75 0.86
18 A" 618 594 15.60 0.90 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12842.5 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 12334.0 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 HSEh1PBE/6-311G**
ABC
0.33146 0.32465 0.16401

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.124 0.364 0.000
C2 0.610 -0.958 0.000
C3 0.000 1.120 0.000
N4 -0.694 -0.978 0.000
O5 -1.083 0.339 0.000
H6 2.150 0.691 0.000
H7 1.146 -1.897 0.000
H8 -0.183 2.183 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41811.35442.25942.20711.07712.26082.2398
C21.41812.16531.30432.13332.25581.08093.2394
C31.35442.16532.20941.33472.19273.22671.0788
N42.25941.30432.20941.37393.29742.05653.2018
O52.20712.13331.33471.37393.25233.15752.0511
H61.07712.25582.19273.29743.25232.77542.7697
H72.26081.08093.22672.05653.15752.77544.2906
H82.23983.23941.07883.20182.05112.76974.2906

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.117 C1 C2 H7 129.057
C1 C3 O5 110.322 C1 C3 H8 133.689
C2 C1 C3 102.681 C2 C1 H6 128.890
C2 N4 O5 105.575 C3 C1 H6 128.429
C3 O5 N4 109.305 N4 C2 H7 118.826
O5 C3 H8 115.989
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.348      
2 C 0.096      
3 C 0.175      
4 N -0.142      
5 O -0.186      
6 H 0.126      
7 H 0.135      
8 H 0.145      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.542 1.526 0.000 2.965
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.410 -2.576 0.000
y -2.576 -24.803 0.000
z 0.000 0.000 -29.973
Traceless
 xyz
x -1.022 -2.576 0.000
y -2.576 4.389 0.000
z 0.000 0.000 -3.367
Polar
3z2-r2-6.733
x2-y2-3.607
xy-2.576
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.157 -0.226 0.000
y -0.226 6.785 0.000
z 0.000 0.000 3.008


<r2> (average value of r2) Å2
<r2> 76.135
(<r2>)1/2 8.726