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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-245.845468
Energy at 298.15K 
HF Energy-245.580565
Nuclear repulsion energy161.165214
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 B2PLYP=FULLultrafine/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' 3314 3189 0.10 135.14 0.09 0.17
2 A' 3291 3167 0.36 49.61 0.72 0.83
3 A' 3270 3147 0.49 92.26 0.37 0.54
4 A' 1583 1523 9.61 5.43 0.01 0.01
5 A' 1462 1407 31.86 35.01 0.23 0.38
6 A' 1391 1338 4.24 6.04 0.02 0.04
7 A' 1233 1187 4.68 17.85 0.07 0.13
8 A' 1144 1101 22.20 3.79 0.33 0.50
9 A' 1116 1074 6.25 13.67 0.06 0.11
10 A' 1041 1002 7.97 2.73 0.68 0.81
11 A' 925 890 10.35 2.93 0.65 0.79
12 A' 907 873 1.11 0.65 0.50 0.66
13 A' 860 828 22.61 7.47 0.12 0.22
14 A" 891 857 8.11 0.14 0.75 0.86
15 A" 856 824 0.18 0.69 0.75 0.86
16 A" 769 740 62.55 0.11 0.75 0.86
17 A" 640 616 2.08 0.16 0.75 0.86
18 A" 603 581 13.47 0.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 12647.6 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 12170.8 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 B2PLYP=FULLultrafine/aug-cc-pVDZ
ABC
0.32405 0.31738 0.16034

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.132 0.367 0.000
C2 0.622 -0.965 0.000
C3 0.000 1.133 0.000
N4 -0.697 -0.997 0.000
O5 -1.098 0.348 0.000
H6 2.163 0.697 0.000
H7 1.165 -1.906 0.000
H8 -0.182 2.202 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42611.36652.28112.22971.08312.27302.2565
C21.42612.18821.31932.16392.26681.08633.2673
C31.36652.18822.24081.34972.20653.25441.0843
N42.28111.31932.24081.40323.32412.07213.2398
O52.22972.16391.34971.40323.27983.19402.0680
H61.08312.26682.20653.32413.27982.78792.7860
H72.27301.08633.25442.07213.19402.78794.3229
H82.25653.26731.08433.23982.06802.78604.3229

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.315 C1 C2 H7 129.065
C1 C3 O5 110.348 C1 C3 H8 133.742
C2 C1 C3 103.155 C2 C1 H6 128.699
C2 N4 O5 105.232 C3 C1 H6 128.146
C3 O5 N4 108.951 N4 C2 H7 118.621
O5 C3 H8 115.910
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.884      
2 C 0.423      
3 C 0.558      
4 N -0.176      
5 O -0.537      
6 H -0.441      
7 H -0.324      
8 H -0.388      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.645 1.510 0.000 3.046
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.140 -2.726 -0.007
y -2.726 -25.595 -0.001
z -0.007 -0.001 -30.747
Traceless
 xyz
x -0.968 -2.726 -0.007
y -2.726 4.349 -0.001
z -0.007 -0.001 -3.380
Polar
3z2-r2-6.760
x2-y2-3.545
xy-2.726
xz-0.007
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.215 -0.091 0.002
y -0.091 7.903 0.001
z 0.002 0.001 4.557


<r2> (average value of r2) Å2
<r2> 77.902
(<r2>)1/2 8.826