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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: BLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-246.006155
Energy at 298.15K 
HF Energy-246.006155
Nuclear repulsion energy159.586769
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 BLYP/aug-cc-pVDZ
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' 3205 3199 0.06 147.49 0.10 0.18
2 A' 3183 3177 0.07 64.35 0.68 0.81
3 A' 3158 3152 0.90 101.81 0.36 0.53
4 A' 1524 1521 8.80 5.72 0.01 0.01
5 A' 1401 1399 27.42 33.19 0.24 0.39
6 A' 1337 1335 3.52 6.43 0.02 0.04
7 A' 1188 1186 3.70 18.21 0.08 0.15
8 A' 1096 1094 20.39 6.77 0.28 0.44
9 A' 1066 1064 8.02 11.64 0.04 0.08
10 A' 1003 1001 11.34 2.94 0.73 0.84
11 A' 896 894 7.71 2.79 0.74 0.85
12 A' 875 873 1.31 0.49 0.52 0.68
13 A' 766 764 18.75 6.96 0.12 0.22
14 A" 854 853 7.99 0.17 0.75 0.86
15 A" 814 813 0.27 0.51 0.75 0.86
16 A" 733 732 59.60 0.07 0.75 0.86
17 A" 616 614 3.38 0.14 0.75 0.86
18 A" 581 580 12.18 0.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12148.2 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 12125.1 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 BLYP/aug-cc-pVDZ
ABC
0.31878 0.31031 0.15724

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.137 0.371 0.000
C2 0.629 -0.970 0.000
C3 0.000 1.143 0.000
N4 -0.698 -1.018 0.000
O5 -1.111 0.356 0.000
H6 2.176 0.703 0.000
H7 1.185 -1.912 0.000
H8 -0.181 2.220 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.43411.37412.30142.24831.09032.28422.2698
C21.43412.20461.32742.18792.27811.09423.2907
C31.37412.20462.27121.36192.21973.27711.0917
N42.30141.32742.27121.43533.34922.08393.2791
O52.24832.18791.36191.43533.30523.22772.0832
H61.09032.27812.21973.34923.30522.79672.8022
H72.28421.09423.27712.08393.22772.79674.3519
H82.26983.29071.09173.27912.08322.80224.3519

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.832 C1 C2 H7 128.736
C1 C3 O5 110.524 C1 C3 H8 133.692
C2 C1 C3 103.430 C2 C1 H6 128.439
C2 N4 O5 104.666 C3 C1 H6 128.130
C3 O5 N4 108.547 N4 C2 H7 118.432
O5 C3 H8 115.784
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.313      
2 C 0.417      
3 C 0.524      
4 N -0.176      
5 O -0.416      
6 H -0.616      
7 H -0.488      
8 H -0.558      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.620 1.481 0.000 3.009
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.322 -2.690 0.000
y -2.690 -25.812 0.000
z 0.000 0.000 -30.610
Traceless
 xyz
x -1.111 -2.690 0.000
y -2.690 4.154 0.000
z 0.000 0.000 -3.043
Polar
3z2-r2-6.086
x2-y2-3.510
xy-2.690
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.563 -0.065 0.000
y -0.065 8.361 0.000
z 0.000 0.000 4.693


<r2> (average value of r2) Å2
<r2> 79.100
(<r2>)1/2 8.894