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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/daug-cc-pVTZ
 hartrees
Energy at 0K-246.130092
Energy at 298.15K 
HF Energy-246.130092
Nuclear repulsion energy162.290488
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/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' 3279 3279 0.05 122.23 0.10 0.18
2 A' 3255 3255 0.14 57.34 0.63 0.77
3 A' 3233 3233 0.78 89.17 0.35 0.52
4 A' 1597 1597 11.04 3.52 0.02 0.03
5 A' 1460 1460 30.92 41.63 0.19 0.32
6 A' 1401 1401 6.72 3.57 0.08 0.14
7 A' 1250 1250 5.77 16.76 0.09 0.16
8 A' 1150 1150 22.19 4.94 0.26 0.41
9 A' 1119 1119 10.51 12.40 0.08 0.14
10 A' 1042 1042 6.55 2.24 0.53 0.70
11 A' 935 935 10.69 2.50 0.71 0.83
12 A' 919 919 1.47 0.61 0.58 0.73
13 A' 867 867 23.88 6.35 0.13 0.23
14 A" 923 923 5.33 0.32 0.75 0.86
15 A" 888 888 0.14 0.68 0.75 0.86
16 A" 787 787 62.15 0.15 0.75 0.86
17 A" 649 649 2.72 0.14 0.75 0.86
18 A" 609 609 12.32 0.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12680.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12680.5 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/daug-cc-pVTZ
ABC
0.32934 0.32104 0.16257

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.122 0.367 0.000
C2 0.616 -0.960 0.000
C3 0.000 1.125 0.000
N4 -0.689 -0.993 0.000
O5 -1.091 0.346 0.000
H6 2.145 0.694 0.000
H7 1.160 -1.891 0.000
H8 -0.176 2.187 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42061.35372.26432.21341.07432.25812.2350
C21.42062.17391.30472.14932.25291.07833.2448
C31.35372.17392.22661.34102.18813.23101.0763
N42.26431.30472.22661.39773.29782.05573.2203
O52.21342.14931.34101.39773.25543.17372.0558
H61.07432.25292.18813.29783.25542.76582.7600
H72.25811.07833.23102.05573.17372.76584.2908
H82.23503.24481.07633.22032.05582.76004.2908

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.305 C1 C2 H7 128.770
C1 C3 O5 110.450 C1 C3 H8 133.461
C2 C1 C3 103.157 C2 C1 H6 128.582
C2 N4 O5 105.318 C3 C1 H6 128.261
C3 O5 N4 108.770 N4 C2 H7 118.925
O5 C3 H8 116.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.163      
2 C -0.207      
3 C -0.989      
4 N -0.677      
5 O -0.771      
6 H 0.590      
7 H 1.120      
8 H 1.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.622 1.506 0.000 3.024
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.914 -2.697 0.000
y -2.697 -25.493 0.000
z 0.000 0.000 -30.289
Traceless
 xyz
x -1.023 -2.697 0.000
y -2.697 4.108 0.000
z 0.000 0.000 -3.085
Polar
3z2-r2-6.171
x2-y2-3.421
xy-2.697
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.158 -0.086 0.000
y -0.086 7.836 0.000
z 0.000 0.000 4.538


<r2> (average value of r2) Å2
<r2> 76.910
(<r2>)1/2 8.770