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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B3LYPultrafine/daug-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 B3LYPultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-246.070977
Energy at 298.15K 
HF Energy-246.070977
Nuclear repulsion energy161.557086
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-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' 3288 3288 0.05 130.25 0.10 0.18
2 A' 3265 3265 0.22 53.61 0.69 0.82
3 A' 3243 3243 0.72 93.65 0.37 0.54
4 A' 1595 1595 10.73 3.90 0.01 0.03
5 A' 1465 1465 31.58 40.90 0.20 0.33
6 A' 1394 1394 5.74 4.70 0.05 0.09
7 A' 1241 1241 5.84 17.19 0.09 0.16
8 A' 1143 1143 21.82 4.34 0.28 0.44
9 A' 1116 1116 8.94 13.17 0.07 0.13
10 A' 1037 1037 7.13 2.53 0.60 0.75
11 A' 929 929 11.50 2.58 0.68 0.81
12 A' 913 913 1.23 0.70 0.58 0.73
13 A' 873 873 23.90 6.44 0.13 0.23
14 A" 913 913 6.83 0.20 0.75 0.86
15 A" 879 879 0.30 0.74 0.75 0.86
16 A" 772 772 61.62 0.10 0.75 0.86
17 A" 645 645 2.29 0.16 0.75 0.86
18 A" 606 606 13.53 0.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12658.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12658.4 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-pVDZ
ABC
0.32612 0.31840 0.16111

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.129 0.367 0.000
C2 0.617 -0.966 0.000
C3 0.000 1.130 0.000
N4 -0.695 -0.994 0.000
O5 -1.094 0.347 0.000
H6 2.160 0.695 0.000
H7 1.162 -1.905 0.000
H8 -0.179 2.199 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42711.36292.27562.22331.08262.27222.2515
C21.42712.18481.31292.15702.26711.08603.2635
C31.36292.18482.23481.34562.20383.25021.0839
N42.27561.31292.23481.39893.31782.06873.2344
O52.22332.15701.34561.39893.27333.18792.0659
H61.08262.26712.20383.31783.27332.78572.7812
H72.27221.08603.25022.06873.18792.78574.3180
H82.25153.26351.08393.23442.06592.78124.3180

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.236 C1 C2 H7 128.905
C1 C3 O5 110.342 C1 C3 H8 133.576
C2 C1 C3 103.062 C2 C1 H6 128.677
C2 N4 O5 105.345 C3 C1 H6 128.261
C3 O5 N4 109.015 N4 C2 H7 118.859
O5 C3 H8 116.082
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 4.212      
2 C -0.926      
3 C -0.508      
4 N 0.541      
5 O -0.296      
6 H -1.230      
7 H -0.970      
8 H -0.824      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.637 1.506 0.000 3.037
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.999 -2.716 0.000
y -2.716 -25.482 0.000
z 0.000 0.000 -30.459
Traceless
 xyz
x -1.029 -2.716 0.000
y -2.716 4.248 0.000
z 0.000 0.000 -3.219
Polar
3z2-r2-6.437
x2-y2-3.518
xy-2.716
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.246 -0.086 0.000
y -0.086 7.942 0.000
z 0.000 0.000 4.577


<r2> (average value of r2) Å2
<r2> 77.521
(<r2>)1/2 8.805