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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B3LYPultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/Def2TZVPP
 hartrees
Energy at 0K-246.135395
Energy at 298.15K 
HF Energy-246.135395
Nuclear repulsion energy162.374146
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 B3LYPultrafine/Def2TZVPP
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' 3284 3284 0.04 121.84 0.10 0.19
2 A' 3261 3261 0.07 56.74 0.63 0.77
3 A' 3239 3239 1.00 89.95 0.35 0.52
4 A' 1600 1600 10.32 2.38 0.07 0.13
5 A' 1463 1463 30.77 35.28 0.23 0.37
6 A' 1404 1404 6.78 2.60 0.12 0.22
7 A' 1252 1252 5.79 13.74 0.13 0.23
8 A' 1152 1152 22.13 4.66 0.36 0.53
9 A' 1121 1121 10.52 10.45 0.10 0.18
10 A' 1044 1044 6.46 2.63 0.58 0.73
11 A' 937 937 10.62 3.56 0.65 0.79
12 A' 922 922 1.39 1.02 0.58 0.74
13 A' 875 875 24.39 5.67 0.17 0.29
14 A" 921 921 5.41 0.96 0.75 0.86
15 A" 884 884 0.23 0.17 0.75 0.86
16 A" 786 786 60.56 0.04 0.75 0.86
17 A" 650 650 2.75 0.15 0.75 0.86
18 A" 610 610 12.94 0.55 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12701.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12701.9 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 B3LYPultrafine/Def2TZVPP
ABC
0.32953 0.32149 0.16273

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.122 0.367 0.000
C2 0.615 -0.960 0.000
C3 0.000 1.124 0.000
N4 -0.690 -0.991 0.000
O5 -1.090 0.345 0.000
H6 2.146 0.693 0.000
H7 1.159 -1.891 0.000
H8 -0.177 2.186 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42061.35392.26392.21281.07462.25832.2355
C21.42062.17311.30472.14722.25351.07853.2443
C31.35392.17312.22451.34042.18893.23051.0765
N42.26391.30472.22451.39433.29792.05633.2180
O52.21282.14721.34041.39433.25523.17182.0557
H61.07462.25352.18893.29793.25522.76652.7611
H72.25831.07853.23052.05633.17182.76654.2906
H82.23553.24431.07653.21802.05572.76114.2906

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.271 C1 C2 H7 128.760
C1 C3 O5 110.426 C1 C3 H8 133.463
C2 C1 C3 103.089 C2 C1 H6 128.618
C2 N4 O5 105.369 C3 C1 H6 128.294
C3 O5 N4 108.845 N4 C2 H7 118.968
O5 C3 H8 116.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.184      
2 C -0.039      
3 C 0.036      
4 N -0.116      
5 O -0.125      
6 H 0.139      
7 H 0.135      
8 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.583 1.512 0.000 2.993
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.757 -2.655 0.000
y -2.655 -25.329 0.000
z 0.000 0.000 -30.193
Traceless
 xyz
x -0.996 -2.655 0.000
y -2.655 4.146 0.000
z 0.000 0.000 -3.150
Polar
3z2-r2-6.299
x2-y2-3.428
xy-2.655
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.765 -0.170 0.000
y -0.170 7.395 0.000
z 0.000 0.000 4.005


<r2> (average value of r2) Å2
<r2> 76.771
(<r2>)1/2 8.762