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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: mPW1PW91/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-246.064000
Energy at 298.15K 
HF Energy-246.064000
Nuclear repulsion energy163.190594
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/aug-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' 3306 3167 0.20 119.17 0.10 0.18
2 A' 3280 3142 0.19 52.64 0.61 0.76
3 A' 3260 3124 0.69 87.83 0.36 0.53
4 A' 1621 1553 11.00 2.89 0.03 0.05
5 A' 1487 1425 32.23 40.79 0.18 0.30
6 A' 1419 1359 7.07 3.54 0.08 0.15
7 A' 1262 1209 7.11 17.17 0.09 0.16
8 A' 1170 1121 19.75 1.76 0.40 0.57
9 A' 1141 1093 8.86 14.57 0.09 0.16
10 A' 1052 1008 5.36 2.41 0.57 0.72
11 A' 944 905 23.12 3.00 0.26 0.41
12 A' 929 890 0.29 2.64 0.50 0.67
13 A' 927 888 16.89 2.92 0.15 0.26
14 A" 931 892 5.66 0.32 0.75 0.86
15 A" 896 858 0.13 0.60 0.75 0.86
16 A" 794 760 63.77 0.11 0.75 0.86
17 A" 660 633 1.46 0.19 0.75 0.86
18 A" 617 592 13.62 0.38 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12847.1 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 12308.8 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/aug-cc-pVTZ
ABC
0.33214 0.32542 0.16437

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-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
C11.41561.35112.25452.20401.07432.25512.2330
C21.41562.16321.30162.13402.25071.07813.2345
C31.35112.16322.20751.33302.18623.22121.0764
N42.25451.30162.20751.37663.28962.05333.1995
O52.20402.13401.33301.37663.24603.15652.0492
H61.07432.25072.18623.28963.24602.76732.7588
H72.25511.07813.22122.05333.15652.76734.2819
H82.23303.23451.07643.19952.04922.75884.2819

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.066 C1 C2 H7 128.962
C1 C3 O5 110.386 C1 C3 H8 133.491
C2 C1 C3 102.834 C2 C1 H6 128.844
C2 N4 O5 105.613 C3 C1 H6 128.321
C3 O5 N4 109.102 N4 C2 H7 118.972
O5 C3 H8 116.124
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.208      
2 C -0.043      
3 C -0.325      
4 N -0.459      
5 O -0.275      
6 H 0.320      
7 H 0.490      
8 H 0.499      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.549 1.518 0.000 2.967
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.468 -2.687 0.000
y -2.687 -25.128 0.000
z 0.000 0.000 -30.063
Traceless
 xyz
x -0.872 -2.687 0.000
y -2.687 4.138 0.000
z 0.000 0.000 -3.265
Polar
3z2-r2-6.531
x2-y2-3.340
xy-2.687
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.998 -0.083 0.000
y -0.083 7.647 0.000
z 0.000 0.000 4.437


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