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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: PBEPBE/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 PBEPBE/daug-cc-pVTZ
 hartrees
Energy at 0K-245.850287
Energy at 298.15K 
HF Energy-245.850287
Nuclear repulsion energy161.229667
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 PBEPBE/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' 3208 3208 0.03 136.33 0.10 0.18
2 A' 3182 3182 0.10 65.47 0.59 0.74
3 A' 3161 3161 0.58 96.10 0.35 0.52
4 A' 1542 1542 8.65 4.57 0.01 0.01
5 A' 1419 1419 26.77 32.34 0.22 0.37
6 A' 1353 1353 3.94 5.69 0.02 0.05
7 A' 1200 1200 4.38 18.96 0.08 0.15
8 A' 1108 1108 20.81 3.56 0.42 0.59
9 A' 1091 1091 6.26 13.42 0.05 0.09
10 A' 1014 1014 9.50 2.83 0.71 0.83
11 A' 900 900 7.99 2.06 0.73 0.85
12 A' 888 888 0.78 0.89 0.62 0.77
13 A' 829 829 19.97 6.15 0.11 0.20
14 A" 876 876 6.22 0.25 0.75 0.86
15 A" 835 835 0.39 0.41 0.75 0.86
16 A" 755 755 62.42 0.07 0.75 0.86
17 A" 630 630 1.85 0.18 0.75 0.86
18 A" 595 595 11.96 0.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12292.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12292.9 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 PBEPBE/daug-cc-pVTZ
ABC
0.32421 0.31789 0.16051

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.129 0.367 0.000
C2 0.623 -0.961 0.000
C3 0.000 1.131 0.000
N4 -0.694 -1.000 0.000
O5 -1.100 0.348 0.000
H6 2.161 0.698 0.000
H7 1.171 -1.900 0.000
H8 -0.182 2.201 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42181.36312.27882.22961.08332.26772.2542
C21.42182.18261.31712.16402.26251.08733.2628
C31.36312.18262.24081.35022.20363.24921.0854
N42.27881.31712.24081.40803.32152.07093.2413
O52.22962.16401.35021.40803.27983.19592.0676
H61.08332.26252.20363.32153.27982.78032.7833
H72.26771.08733.24922.07093.19592.78034.3183
H82.25423.26281.08543.24132.06762.78334.3183

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.557 C1 C2 H7 128.832
C1 C3 O5 110.515 C1 C3 H8 133.723
C2 C1 C3 103.189 C2 C1 H6 128.658
C2 N4 O5 105.093 C3 C1 H6 128.153
C3 O5 N4 108.647 N4 C2 H7 118.611
O5 C3 H8 115.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.336      
2 C -0.065      
3 C -0.889      
4 N -0.626      
5 O -0.723      
6 H 0.572      
7 H 0.987      
8 H 1.081      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.490 1.492 0.000 2.903
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.774 -2.653 0.000
y -2.653 -25.549 0.000
z 0.000 0.000 -30.356
Traceless
 xyz
x -0.822 -2.653 0.000
y -2.653 4.017 0.000
z 0.000 0.000 -3.195
Polar
3z2-r2-6.390
x2-y2-3.226
xy-2.653
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.402 -0.046 0.000
y -0.046 8.173 0.000
z 0.000 0.000 4.642


<r2> (average value of r2) Å2
<r2> 77.670
(<r2>)1/2 8.813