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

using model chemistry: wB97X-D/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-285.364373
Energy at 298.15K-285.370857
HF Energy-285.364373
Nuclear repulsion energy224.730649
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 wB97X-D/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 3299 3155 0.20      
2 A 3277 3135 0.00      
3 A 3166 3028 5.73      
4 A 3136 3000 9.50      
5 A 3071 2938 13.91      
6 A 1649 1578 33.97      
7 A 1523 1457 4.72      
8 A 1502 1436 20.97      
9 A 1485 1421 8.45      
10 A 1462 1399 45.26      
11 A 1414 1353 0.56      
12 A 1313 1256 3.18      
13 A 1183 1131 18.73      
14 A 1098 1050 8.01      
15 A 1074 1027 1.94      
16 A 1044 999 2.62      
17 A 984 941 6.69      
18 A 971 929 11.52      
19 A 929 889 15.16      
20 A 902 863 0.91      
21 A 784 750 50.37      
22 A 676 647 0.01      
23 A 669 640 5.30      
24 A 622 595 4.67      
25 A 337 322 6.75      
26 A 275 263 5.40      
27 A 103 99 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 18973.3 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 18149.9 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 wB97X-D/aug-cc-pVTZ
ABC
0.31050 0.11875 0.08729

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.119 0.028 -0.000
H2 2.504 0.541 0.881
H3 2.491 -0.995 -0.000
H4 2.504 0.541 -0.881
C5 -1.477 0.568 -0.000
O6 -1.366 -0.761 -0.000
N7 -0.024 -1.100 0.000
C8 0.631 0.029 -0.000
C9 -0.257 1.136 0.000
H10 -0.015 2.183 0.000
H11 -2.480 0.958 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 C9 H10 H11
C11.08971.08751.08973.63693.57382.42231.48862.62233.03364.6929
H21.08971.77021.76234.07744.17713.14002.13222.95853.13345.0786
H31.08751.77021.77024.26433.86392.51692.12263.47694.04675.3405
H41.08971.76231.77024.07734.17703.14012.13232.95863.13365.0785
C53.63694.07744.26434.07731.33352.21242.17591.34602.17861.0762
O63.57384.17713.86394.17701.33351.38442.14762.19773.23932.0481
N72.42233.14002.51693.14012.21241.38441.30532.24873.28363.2045
C81.48862.13222.12262.13232.17592.14761.30531.41952.24923.2469
C92.62232.95853.47692.95861.34602.19772.24871.41951.07452.2305
H103.03363.13344.04673.13362.17863.23933.28362.24921.07452.7530
H114.69295.07865.34055.07851.07622.04813.20453.24692.23052.7530

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 120.076 C1 C8 C9 128.758
H2 C1 H3 108.799 H2 C1 H4 107.926
H2 C1 C8 110.630 H3 C1 H4 108.799
H3 C1 C8 109.993 H4 C1 C8 110.632
C5 O6 N7 108.964 C5 C9 C8 103.745
C5 C9 H10 127.981 O6 C5 C9 110.203
O6 C5 H11 115.997 O6 N7 C8 105.922
N7 C8 C9 111.166 C8 C9 H10 128.274
C9 C5 H11 133.800
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.730      
2 H 0.282      
3 H 0.258      
4 H 0.282      
5 C -0.481      
6 O -0.324      
7 N -0.547      
8 C 0.759      
9 C -0.438      
10 H 0.382      
11 H 0.558      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.551 2.957 -0.001 3.008
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.428 -1.895 0.000
y -1.895 -36.569 0.001
z 0.000 0.001 -36.136
Traceless
 xyz
x 6.924 -1.895 0.000
y -1.895 -3.787 0.001
z 0.000 0.001 -3.137
Polar
3z2-r2-6.275
x2-y27.141
xy-1.895
xz0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.319 -0.168 0.000
y -0.168 8.510 -0.000
z 0.000 -0.000 5.926


<r2> (average value of r2) Å2
<r2> 135.552
(<r2>)1/2 11.643