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

using model chemistry: wB97X-D/6-311G**

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/6-311G**
 hartrees
Energy at 0K-285.330284
Energy at 298.15K-285.336785
HF Energy-285.330284
Nuclear repulsion energy224.412562
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/6-311G**
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 3156 0.36      
2 A 3277 3135 0.00      
3 A 3165 3027 6.57      
4 A 3135 2998 13.07      
5 A 3066 2933 15.10      
6 A 1653 1581 31.43      
7 A 1525 1458 3.89      
8 A 1503 1437 21.48      
9 A 1485 1421 9.88      
10 A 1464 1400 46.30      
11 A 1412 1350 0.96      
12 A 1309 1252 2.15      
13 A 1181 1130 20.25      
14 A 1097 1049 9.73      
15 A 1071 1025 2.70      
16 A 1046 1001 1.61      
17 A 986 943 11.55      
18 A 977 935 9.49      
19 A 933 892 14.48      
20 A 901 862 0.55      
21 A 790 756 48.47      
22 A 674 645 0.04      
23 A 671 642 5.14      
24 A 623 596 5.46      
25 A 338 323 6.86      
26 A 275 263 5.89      
27 A 114 110 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 18985.1 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 18159.3 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/6-311G**
ABC
0.30922 0.11850 0.08706

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.122 0.029 -0.000
H2 2.508 0.542 0.884
H3 2.491 -0.997 -0.000
H4 2.508 0.542 -0.884
C5 -1.481 0.567 -0.000
O6 -1.364 -0.763 -0.000
N7 -0.023 -1.103 0.000
C8 0.631 0.030 -0.000
C9 -0.259 1.140 0.000
H10 -0.017 2.189 0.000
H11 -2.488 0.953 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 C9 H10 H11
C11.09251.08991.09253.64283.57512.42511.49142.62783.04034.7014
H21.09251.77451.76784.08574.18083.14512.13742.96593.14175.0900
H31.08991.77451.77454.26883.86262.51632.12493.48294.05495.3469
H41.09251.76781.77454.08564.18083.14522.13742.96603.14195.0899
C53.64284.08574.26884.08561.33532.21682.17871.34912.18501.0782
O63.57514.18083.86264.18081.33531.38382.14662.20063.24532.0508
N72.42513.14512.51633.14522.21681.38381.30732.25513.29213.2094
C81.49142.13742.12492.13742.17872.14661.30731.42302.25483.2521
C92.62782.96593.48292.96601.34912.20062.25511.42301.07702.2363
H103.04033.14174.05493.14192.18503.24533.29212.25481.07702.7630
H114.70145.09005.34695.08991.07822.05083.20943.25212.23632.7630

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 119.962 C1 C8 C9 128.735
H2 C1 H3 108.798 H2 C1 H4 108.007
H2 C1 C8 110.677 H3 C1 H4 108.798
H3 C1 C8 109.826 H4 C1 C8 110.678
C5 O6 N7 109.216 C5 C9 C8 103.585
C5 C9 H10 128.123 O6 C5 C9 110.118
O6 C5 H11 115.948 O6 N7 C8 105.778
N7 C8 C9 111.303 C8 C9 H10 128.292
C9 C5 H11 133.934
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.283      
2 H 0.137      
3 H 0.147      
4 H 0.137      
5 C 0.173      
6 O -0.191      
7 N -0.158      
8 C 0.110      
9 C -0.337      
10 H 0.124      
11 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.505 2.987 -0.001 3.029
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.284 -2.061 0.000
y -2.061 -36.338 0.001
z 0.000 0.001 -36.081
Traceless
 xyz
x 6.926 -2.061 0.000
y -2.061 -3.655 0.001
z 0.000 0.001 -3.271
Polar
3z2-r2-6.541
x2-y27.054
xy-2.061
xz0.000
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.349 -0.103 0.000
y -0.103 7.428 0.000
z 0.000 0.000 4.465


<r2> (average value of r2) Å2
<r2> 135.778
(<r2>)1/2 11.652