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

using model chemistry: wB97X-D/3-21G*

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/3-21G*
 hartrees
Energy at 0K-283.684863
Energy at 298.15K-283.691322
HF Energy-283.684863
Nuclear repulsion energy220.765311
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/3-21G*
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 3355 3180 1.00      
2 A 3328 3154 0.37      
3 A 3192 3026 2.20      
4 A 3165 2999 6.39      
5 A 3098 2937 6.55      
6 A 1617 1533 20.63      
7 A 1556 1474 13.58      
8 A 1547 1467 14.01      
9 A 1477 1400 4.67      
10 A 1469 1393 20.21      
11 A 1427 1352 33.84      
12 A 1308 1240 1.59      
13 A 1160 1099 11.11      
14 A 1116 1058 9.34      
15 A 1070 1014 13.74      
16 A 1060 1005 1.32      
17 A 997 945 2.80      
18 A 960 909 0.36      
19 A 937 888 0.81      
20 A 874 828 17.40      
21 A 828 785 60.91      
22 A 681 646 0.12      
23 A 660 625 5.76      
24 A 592 561 7.00      
25 A 335 318 6.65      
26 A 274 260 6.20      
27 A 114 108 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 19098.0 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 18101.1 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/3-21G*
ABC
0.29832 0.11560 0.08464

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.137 0.041 -0.000
H2 2.515 0.558 0.888
H3 2.513 -0.984 -0.000
H4 2.515 0.558 -0.888
C5 -1.499 0.596 -0.000
O6 -1.397 -0.769 -0.000
N7 -0.008 -1.136 0.000
C8 0.644 0.021 -0.000
C9 -0.254 1.139 0.000
H10 0.006 2.180 0.000
H11 -2.490 1.011 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 C9 H10 H11
C11.09471.09191.09473.67793.62562.44681.49352.63153.01954.7278
H21.09471.77961.77624.11054.22483.16562.13932.96523.11635.1030
H31.09191.77961.77964.31153.91562.52542.12243.48804.03705.3861
H41.09471.77621.77964.11044.22473.16572.13942.96543.11655.1029
C53.67794.11054.31154.11041.36902.28512.21821.35792.18531.0748
O63.62564.22483.91564.22471.36901.43642.18822.22453.26642.0892
N72.44683.16562.52543.16572.28511.43641.32812.28873.31643.2818
C81.49352.13932.12242.13942.21822.18821.32811.43412.25143.2864
C92.63152.96523.48802.96541.35792.22452.28871.43411.07312.2395
H103.01953.11634.03703.11652.18533.26643.31642.25141.07312.7567
H114.72785.10305.38615.10291.07482.08923.28183.28642.23952.7567

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 120.149 C1 C8 C9 128.005
H2 C1 H3 108.951 H2 C1 H4 108.432
H2 C1 C8 110.548 H3 C1 H4 108.951
H3 C1 C8 109.370 H4 C1 C8 110.550
C5 O6 N7 109.061 C5 C9 C8 105.175
C5 C9 H10 127.643 O6 C5 C9 109.323
O6 C5 H11 116.987 O6 N7 C8 104.596
N7 C8 C9 111.846 C8 C9 H10 127.182
C9 C5 H11 133.691
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.661      
2 H 0.241      
3 H 0.255      
4 H 0.241      
5 C 0.147      
6 O -0.378      
7 N -0.250      
8 C 0.277      
9 C -0.379      
10 H 0.233      
11 H 0.273      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.880 3.278 0.001 3.394
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.053 -2.699 -0.000
y -2.699 -36.251 -0.001
z -0.000 -0.001 -36.353
Traceless
 xyz
x 7.249 -2.699 -0.000
y -2.699 -3.548 -0.001
z -0.000 -0.001 -3.701
Polar
3z2-r2-7.403
x2-y27.198
xy-2.699
xz-0.000
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.497 -0.102 -0.000
y -0.102 6.559 0.000
z -0.000 0.000 3.159


<r2> (average value of r2) Å2
<r2> 138.651
(<r2>)1/2 11.775