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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: mPW1PW91/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 mPW1PW91/daug-cc-pVTZ
 hartrees
Energy at 0K-246.064453
Energy at 298.15K 
HF Energy-246.064453
Nuclear repulsion energy163.187830
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 mPW1PW91/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' 3305 3305 0.20 118.43 0.10 0.18
2 A' 3279 3279 0.20 52.92 0.61 0.76
3 A' 3259 3259 0.69 87.53 0.36 0.53
4 A' 1621 1621 10.91 2.91 0.02 0.05
5 A' 1487 1487 32.11 40.96 0.18 0.30
6 A' 1418 1418 7.13 3.49 0.09 0.16
7 A' 1262 1262 7.09 17.34 0.09 0.16
8 A' 1170 1170 19.71 1.77 0.40 0.57
9 A' 1141 1141 8.87 14.57 0.09 0.16
10 A' 1052 1052 5.35 2.43 0.57 0.72
11 A' 944 944 23.26 3.01 0.26 0.42
12 A' 928 928 0.28 2.67 0.49 0.65
13 A' 927 927 16.63 2.88 0.15 0.25
14 A" 931 931 5.79 0.32 0.75 0.86
15 A" 896 896 0.13 0.61 0.75 0.86
16 A" 795 795 63.41 0.11 0.75 0.86
17 A" 660 660 1.54 0.20 0.75 0.86
18 A" 618 618 13.50 0.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12846.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12846.1 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 mPW1PW91/daug-cc-pVTZ
ABC
0.33213 0.32541 0.16437

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.121 0.363 0.000
C2 0.611 -0.957 0.000
C3 0.000 1.118 0.000
N4 -0.691 -0.979 0.000
O5 -1.083 0.341 0.000
H6 2.144 0.690 0.000
H7 1.148 -1.892 0.000
H8 -0.178 2.180 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.41561.35112.25452.20401.07432.25532.2331
C21.41562.16321.30162.13402.25081.07813.2345
C31.35112.16322.20751.33312.18623.22141.0765
N42.25451.30162.20751.37663.28972.05323.1995
O52.20402.13401.33311.37663.24603.15652.0492
H61.07432.25082.18623.28973.24602.76762.7589
H72.25531.07813.22142.05323.15652.76764.2821
H82.23313.23451.07653.19952.04922.75894.2821

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.065 C1 C2 H7 128.974
C1 C3 O5 110.386 C1 C3 H8 133.500
C2 C1 C3 102.835 C2 C1 H6 128.847
C2 N4 O5 105.613 C3 C1 H6 128.319
C3 O5 N4 109.100 N4 C2 H7 118.960
O5 C3 H8 116.114
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.307      
2 C 0.102      
3 C -0.810      
4 N -0.797      
5 O -0.795      
6 H 0.530      
7 H 1.040      
8 H 1.038      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.546 1.518 0.000 2.964
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.461 -2.684 0.000
y -2.684 -25.135 0.000
z 0.000 0.000 -30.055
Traceless
 xyz
x -0.866 -2.684 0.000
y -2.684 4.123 0.000
z 0.000 0.000 -3.257
Polar
3z2-r2-6.514
x2-y2-3.326
xy-2.684
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.005 -0.083 0.000
y -0.083 7.658 0.000
z 0.000 0.000 4.442


<r2> (average value of r2) Å2
<r2> 76.092
(<r2>)1/2 8.723