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

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-285.307062
Energy at 298.15K-285.313434
Nuclear repulsion energy219.202012
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 B3LYP/LANL2DZ
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 3327 3198 0.13      
2 A 3299 3171 0.35      
3 A 3169 3046 10.15      
4 A 3131 3010 19.97      
5 A 3054 2936 18.15      
6 A 1585 1524 28.67      
7 A 1512 1453 17.79      
8 A 1512 1453 16.62      
9 A 1462 1405 18.88      
10 A 1447 1391 11.16      
11 A 1415 1360 23.52      
12 A 1284 1234 1.07      
13 A 1135 1091 15.19      
14 A 1085 1043 6.92      
15 A 1044 1004 18.20      
16 A 1030 990 0.99      
17 A 981 943 2.12      
18 A 915 880 2.44      
19 A 908 873 1.63      
20 A 838 806 22.13      
21 A 813 781 74.94      
22 A 664 638 0.02      
23 A 650 625 7.24      
24 A 583 560 5.36      
25 A 332 319 7.83      
26 A 270 259 5.88      
27 A 120 116 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 18782.2 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 18053.4 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 B3LYP/LANL2DZ
ABC
0.29475 0.11369 0.08333

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.155 0.033 0.000
H2 2.541 0.549 0.888
H3 2.539 -0.992 -0.002
H4 2.542 0.553 -0.885
C5 -1.508 0.605 -0.000
O6 -1.420 -0.776 0.000
N7 -0.011 -1.143 -0.000
C8 0.652 0.024 -0.000
C9 -0.250 1.152 -0.000
H10 0.018 2.198 -0.000
H11 -2.505 1.017 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 C9 H10 H11
C11.09701.09391.09703.70693.66572.46421.50262.65243.04234.7628
H21.09701.77891.77284.14554.27073.18802.15212.99043.14295.1453
H31.09391.77891.77894.34993.96512.55402.14273.51744.06565.4292
H41.09701.77281.77894.14514.27173.18952.15222.98893.14015.1447
C53.70694.14554.34994.14511.38342.30112.23641.37212.20541.0795
O63.66574.27073.96514.27171.38341.45682.22192.25613.30322.0958
N72.46423.18802.55403.18952.30111.45681.34262.30793.34093.2998
C81.50262.15212.14272.15222.23642.22191.34261.44422.26413.3098
C92.65242.99043.51742.98891.37212.25612.30791.44421.07892.2595
H103.04233.14294.06563.14012.20543.30323.34092.26411.07892.7851
H114.76285.14535.42925.14471.07952.09583.29983.30982.25952.7851

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 119.907 C1 C8 C9 128.328
H2 C1 H3 108.568 H2 C1 H4 107.799
H2 C1 C8 110.792 H3 C1 H4 108.571
H3 C1 C8 110.231 H4 C1 C8 110.797
C5 O6 N7 108.204 C5 C9 C8 105.112
C5 C9 H10 127.866 O6 C5 C9 109.921
O6 C5 H11 116.089 O6 N7 C8 104.998
N7 C8 C9 111.765 C8 C9 H10 127.022
C9 C5 H11 133.990
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.688      
2 H 0.223      
3 H 0.241      
4 H 0.223      
5 C -0.103      
6 O -0.217      
7 N -0.065      
8 C 0.229      
9 C -0.373      
10 H 0.263      
11 H 0.266      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.013 3.627 0.000 3.766
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.503 -2.890 0.000
y -2.890 -37.225 -0.000
z 0.000 -0.000 -36.476
Traceless
 xyz
x 7.348 -2.890 0.000
y -2.890 -4.236 -0.000
z 0.000 -0.000 -3.112
Polar
3z2-r2-6.225
x2-y27.723
xy-2.890
xz0.000
yz-0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.176 -0.064 0.002
y -0.064 7.334 -0.001
z 0.002 -0.001 4.020


<r2> (average value of r2) Å2
<r2> 140.855
(<r2>)1/2 11.868