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

using model chemistry: LSDA/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 LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-283.853136
Energy at 298.15K-283.859519
Nuclear repulsion energy223.980427
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 LSDA/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 3220 3184 0.61      
2 A 3197 3161 0.84      
3 A 3095 3060 1.25      
4 A 3063 3028 3.07      
5 A 2986 2952 8.86      
6 A 1592 1574 32.86      
7 A 1488 1471 7.85      
8 A 1463 1446 33.34      
9 A 1380 1365 10.24      
10 A 1374 1358 19.29      
11 A 1319 1304 5.73      
12 A 1257 1242 0.18      
13 A 1138 1125 13.24      
14 A 1037 1025 12.78      
15 A 1011 999 2.63      
16 A 998 987 3.13      
17 A 966 955 12.50      
18 A 931 921 0.22      
19 A 899 888 13.58      
20 A 830 821 0.62      
21 A 742 734 50.58      
22 A 666 658 3.83      
23 A 653 646 0.36      
24 A 616 609 3.97      
25 A 324 321 7.20      
26 A 267 264 6.00      
27 A 129 127 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 18319.5 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 18112.4 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 LSDA/aug-cc-pVDZ
ABC
0.30725 0.11871 0.08705

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.114 0.022 0.000
H2 -2.517 0.538 -0.892
H3 -2.476 -1.021 0.000
H4 -2.517 0.537 0.893
C5 1.482 0.567 0.000
O6 1.364 -0.765 0.000
N7 0.030 -1.102 -0.000
C8 -0.637 0.035 0.000
C9 0.250 1.144 -0.000
H10 0.005 2.210 -0.000
H11 2.504 0.958 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 C9 H10 H11
C11.10671.10421.10673.63743.56582.42101.47712.61713.04574.7126
H21.10671.79691.78494.09774.18973.15792.14082.96983.15445.1176
H31.10421.79691.79694.26503.84822.50762.12073.48154.07355.3595
H41.10671.78491.79694.09764.18973.15802.14082.97013.15495.1175
C53.63744.09774.26504.09761.33752.21182.18511.36082.20921.0946
O63.56584.18973.84824.18971.33751.37512.15492.21063.27042.0667
N72.42103.15792.50763.15802.21181.37511.31822.25673.31123.2193
C81.47712.14082.12072.14082.18512.15491.31821.42042.26733.2745
C92.61712.96983.48152.97011.36082.21062.25671.42041.09302.2623
H103.04573.15444.07353.15492.20923.27043.31122.26731.09302.7954
H114.71265.11765.35955.11751.09462.06673.21933.27452.26232.7954

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 119.913 C1 C8 C9 129.161
H2 C1 H3 108.726 H2 C1 H4 107.494
H2 C1 C8 111.088 H3 C1 H4 108.727
H3 C1 C8 109.639 H4 C1 C8 111.090
C5 O6 N7 109.243 C5 C9 C8 103.544
C5 C9 H10 128.060 O6 C5 C9 110.021
O6 C5 H11 116.018 O6 N7 C8 106.267
N7 C8 C9 110.926 C8 C9 H10 128.396
C9 C5 H11 133.961
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.603      
2 H -0.041      
3 H -0.213      
4 H -0.041      
5 C 0.318      
6 O -0.405      
7 N -0.113      
8 C -0.270      
9 C 1.082      
10 H -0.513      
11 H -0.406      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.545 2.907 0.001 2.957
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.792 1.778 0.001
y 1.778 -36.984 -0.001
z 0.001 -0.001 -36.644
Traceless
 xyz
x 7.022 1.778 0.001
y 1.778 -3.766 -0.001
z 0.001 -0.001 -3.256
Polar
3z2-r2-6.512
x2-y27.192
xy1.778
xz0.001
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.027 0.294 0.000
y 0.294 8.964 -0.001
z 0.000 -0.001 6.118


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000