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All results from a given calculation for C4H5NO (Isoxazole, 5-methyl-)

using model chemistry: BLYP/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-285.305097
Energy at 298.15K-285.311302
Nuclear repulsion energy220.716606
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 BLYP/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 3193 3187 0.72      
2 A 3152 3146 2.55      
3 A 3058 3052 8.78      
4 A 3018 3012 8.50      
5 A 2964 2958 17.24      
6 A 1569 1566 34.16      
7 A 1443 1440 39.88      
8 A 1424 1421 9.97      
9 A 1411 1409 6.90      
10 A 1355 1352 0.19      
11 A 1308 1306 4.78      
12 A 1195 1193 18.09      
13 A 1160 1158 8.59      
14 A 1018 1016 1.42      
15 A 1016 1014 5.83      
16 A 982 980 5.52      
17 A 948 947 3.56      
18 A 893 891 10.34      
19 A 851 849 6.55      
20 A 790 788 12.32      
21 A 752 750 39.78      
22 A 633 632 0.15      
23 A 621 619 1.05      
24 A 606 605 1.80      
25 A 324 323 2.12      
26 A 239 238 2.23      
27 A 99 99 0.67      

Unscaled Zero Point Vibrational Energy (zpe) 18010.0 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 17975.8 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 BLYP/aug-cc-pVDZ
ABC
0.30124 0.11551 0.08485

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.129 0.017 0.000
H2 2.492 -0.526 -0.893
H3 2.567 1.030 -0.000
H4 2.492 -0.525 0.893
C5 0.634 0.110 -0.000
O6 -0.058 -1.071 -0.000
N7 -1.469 -0.794 -0.000
C8 -1.545 0.531 0.000
H9 -2.536 0.996 0.000
C10 -0.258 1.162 -0.000
H11 -0.031 2.228 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 H9 C10 H11
C11.10621.10271.10621.49872.44343.68843.70994.76682.64803.0909
H21.10621.79471.78622.15762.75654.06914.26745.32863.34823.8399
H31.10271.79471.79462.14083.36204.42814.14145.10272.82822.8605
H41.10621.78621.79462.15762.75694.06934.26745.32843.34793.8395
C51.49872.15762.14082.15761.36872.28812.21873.29101.37922.2201
O62.44342.75653.36202.75691.36871.43772.18613.22692.24203.2996
N73.68844.06914.42814.06932.28811.43771.32732.08362.29953.3465
C83.70994.26744.14144.26742.21872.18611.32731.09461.43232.2740
H94.76685.32865.10275.32843.29103.22692.08361.09462.28342.7919
C102.64803.34822.82823.34791.37922.24202.29951.43232.28341.0906
H113.09093.83992.86053.83952.22013.29963.34652.27402.79191.0906

picture of Isoxazole, 5-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 O6 116.814 C1 C5 C10 133.836
H2 C1 H3 108.680 H2 C1 H4 107.681
H2 C1 C5 110.951 H3 C1 H4 108.679
H3 C1 C5 109.824 H4 C1 C5 110.951
C5 O6 N7 109.215 C5 C10 C8 104.197
C5 C10 H11 127.641 O6 C5 C10 109.350
O6 N7 C8 104.418 N7 C8 H9 118.386
N7 C8 C10 112.819 C8 C10 H11 128.161
H9 C8 C10 128.795
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.952      
2 H -0.229      
3 H -0.302      
4 H -0.228      
5 C -0.018      
6 O -0.516      
7 N -0.292      
8 C 0.486      
9 H -0.557      
10 C 1.450      
11 H -0.745      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.991 2.671 0.000 3.332
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.356 -3.780 -0.000
y -3.780 -36.625 -0.000
z -0.000 -0.000 -36.847
Traceless
 xyz
x 4.379 -3.780 -0.000
y -3.780 -2.023 -0.000
z -0.000 -0.000 -2.357
Polar
3z2-r2-4.714
x2-y24.268
xy-3.780
xz-0.000
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.732 -0.247 0.000
y -0.247 9.090 0.000
z 0.000 0.000 6.239


<r2> (average value of r2) Å2
<r2> 139.553
(<r2>)1/2 11.813