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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/6-311G**
 hartrees
Energy at 0K-245.896643
Energy at 298.15K 
HF Energy-245.606780
Nuclear repulsion energy162.013290
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=FULLultrafine/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' 3309 3309 0.03 116.24 0.13 0.22
2 A' 3286 3286 0.09 52.74 0.69 0.82
3 A' 3265 3265 0.94 88.48 0.39 0.56
4 A' 1592 1592 7.83 2.33 0.07 0.14
5 A' 1462 1462 31.35 29.16 0.32 0.49
6 A' 1403 1403 5.12 2.50 0.13 0.23
7 A' 1246 1246 5.97 11.06 0.19 0.32
8 A' 1157 1157 23.33 3.28 0.55 0.71
9 A' 1127 1127 7.65 10.41 0.14 0.25
10 A' 1051 1051 6.90 3.35 0.65 0.79
11 A' 937 937 10.41 4.70 0.58 0.74
12 A' 919 919 0.59 1.22 0.50 0.67
13 A' 884 884 23.19 5.77 0.19 0.32
14 A" 900 900 5.59 1.25 0.75 0.86
15 A" 871 871 0.83 0.08 0.75 0.86
16 A" 789 789 60.34 0.49 0.75 0.86
17 A" 645 645 2.24 0.25 0.75 0.86
18 A" 609 609 14.19 0.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12725.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12725.6 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=FULLultrafine/6-311G**
ABC
0.32745 0.32063 0.16200

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.127 0.367 0.000
C2 0.618 -0.961 0.000
C3 0.000 1.126 0.000
N4 -0.694 -0.991 0.000
O5 -1.092 0.345 0.000
H6 2.152 0.693 0.000
H7 1.158 -1.895 0.000
H8 -0.183 2.188 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42161.35912.27182.21951.07572.26222.2433
C21.42162.17651.31252.15142.25581.07943.2488
C31.35912.17652.22861.34342.19503.23591.0773
N42.27181.31252.22861.39403.30732.06073.2203
O52.21952.15141.34341.39403.26303.17492.0558
H61.07572.25582.19503.30733.26302.77292.7720
H72.26221.07943.23592.06073.17492.77294.2977
H82.24333.24881.07733.22032.05582.77204.2977

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.326 C1 C2 H7 129.008
C1 C3 O5 110.424 C1 C3 H8 133.743
C2 C1 C3 102.999 C2 C1 H6 128.661
C2 N4 O5 105.257 C3 C1 H6 128.340
C3 O5 N4 108.994 N4 C2 H7 118.666
O5 C3 H8 115.834
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.315      
2 C 0.083      
3 C 0.168      
4 N -0.126      
5 O -0.189      
6 H 0.117      
7 H 0.126      
8 H 0.135      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.556 1.500 0.000 2.964
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.728 -2.550 -0.005
y -2.550 -25.138 -0.000
z -0.005 -0.000 -30.149
Traceless
 xyz
x -1.084 -2.550 -0.005
y -2.550 4.301 -0.000
z -0.005 -0.000 -3.216
Polar
3z2-r2-6.432
x2-y2-3.590
xy-2.550
xz-0.005
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.175 -0.240 0.001
y -0.240 6.829 0.000
z 0.001 0.000 2.976


<r2> (average value of r2) Å2
<r2> 76.972
(<r2>)1/2 8.773