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All results from a given calculation for C4H5NO (3-Methylisoxazole)

using model chemistry: BLYP/6-31G

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/6-31G
 hartrees
Energy at 0K-285.180789
Energy at 298.15K-285.186989
Nuclear repulsion energy217.450144
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/6-31G
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 3238 3214 0.70      
2 A 3212 3188 1.03      
3 A 3078 3055 8.38      
4 A 3035 3012 17.10      
5 A 2978 2956 17.03      
6 A 1538 1526 17.81      
7 A 1493 1482 10.05      
8 A 1489 1478 12.17      
9 A 1423 1413 4.41      
10 A 1404 1393 18.38      
11 A 1369 1359 15.78      
12 A 1254 1245 0.79      
13 A 1109 1100 8.18      
14 A 1066 1057 4.25      
15 A 1020 1012 6.66      
16 A 997 989 10.74      
17 A 957 950 1.99      
18 A 876 869 2.33      
19 A 847 840 0.01      
20 A 767 761 45.87      
21 A 713 708 6.40      
22 A 635 630 0.29      
23 A 605 601 12.27      
24 A 556 551 4.07      
25 A 327 325 6.71      
26 A 259 257 4.12      
27 A 126 125 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 18184.8 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 18046.6 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/6-31G
ABC
0.29067 0.11209 0.08216

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.162 0.037 -0.000
H2 -2.552 0.560 -0.891
H3 -2.553 -0.991 -0.001
H4 -2.552 0.558 0.892
C5 1.509 0.615 -0.000
O6 1.452 -0.776 0.000
N7 -0.010 -1.160 -0.000
C8 -0.655 0.022 0.000
C9 0.247 1.152 0.000
H10 -0.028 2.202 0.000
H11 2.506 1.044 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 C9 H10 H11
C11.10371.09991.10373.71703.70482.46311.50782.65443.03964.7757
H21.10371.78821.78234.15794.31373.19572.16372.99553.13925.1580
H31.09991.78821.78814.36794.01052.54822.15123.52544.07025.4526
H41.10371.78231.78814.15824.31343.19512.16372.99633.14065.1585
C53.71704.15794.36794.15821.39182.33662.24391.37252.21001.0851
O63.70484.31374.01054.31341.39181.51192.25272.27393.32552.1033
N72.46313.19572.54823.19512.33661.51191.34632.32663.36233.3453
C81.50782.16372.15122.16372.24392.25271.34631.44572.26843.3219
C92.65442.99553.52542.99631.37252.27392.32661.44571.08522.2619
H103.03963.13924.07023.14062.21003.32553.36232.26841.08522.7861
H114.77575.15805.45265.15851.08512.10333.34533.32192.26192.7861

picture of 3-Methylisoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C8 N7 119.199 C1 C8 C9 127.969
H2 C1 H3 108.486 H2 C1 H4 107.693
H2 C1 C8 110.948 H3 C1 H4 108.483
H3 C1 C8 110.187 H4 C1 C8 110.951
C5 O6 N7 107.093 C5 C9 C8 105.511
C5 C9 H10 127.726 O6 C5 C9 110.689
O6 C5 H11 115.693 O6 N7 C8 103.874
N7 C8 C9 112.832 C8 C9 H10 126.762
C9 C5 H11 133.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.417      
2 H 0.151      
3 H 0.161      
4 H 0.151      
5 C 0.129      
6 O -0.349      
7 N -0.171      
8 C 0.171      
9 C -0.106      
10 H 0.123      
11 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.997 3.351 0.000 3.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.857 2.704 -0.000
y 2.704 -36.924 0.000
z -0.000 0.000 -36.043
Traceless
 xyz
x 6.627 2.704 -0.000
y 2.704 -3.974 0.000
z -0.000 0.000 -2.653
Polar
3z2-r2-5.306
x2-y27.067
xy2.704
xz-0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 142.374
(<r2>)1/2 11.932