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All results from a given calculation for C4H5NO (Isoxazole, 5-methyl-)

using model chemistry: BLYP/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 BLYP/cc-pVDZ
 hartrees
Energy at 0K-285.281185
Energy at 298.15K-285.287382
Nuclear repulsion energy220.857917
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 BLYP/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 3189 3194 0.88      
2 A 3147 3152 4.05      
3 A 3058 3063 8.52      
4 A 2960 2965 18.44      
5 A 1578 1581 31.78      
6 A 1451 1453 34.63      
7 A 1419 1421 7.90      
8 A 1358 1360 0.91      
9 A 1312 1314 5.39      
10 A 1205 1207 15.64      
11 A 1158 1160 9.70      
12 A 1012 1013 4.56      
13 A 982 984 7.54      
14 A 951 953 1.77      
15 A 897 899 10.96      
16 A 801 802 11.23      
17 A 637 638 0.26      
18 A 323 324 1.76      
19 A 3013 3018 9.52      
20 A 1405 1407 6.64      
21 A 1021 1022 3.13      
22 A 862 864 3.41      
23 A 771 772 25.30      
24 A 626 627 1.67      
25 A 610 611 1.29      
26 A 240 240 1.86      
27 A 87 87 0.91      

Unscaled Zero Point Vibrational Energy (zpe) 18036.3 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 18065.1 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 BLYP/cc-pVDZ
ABC
0.30088 0.11584 0.08499

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.126 0.017 0.000
H2 2.492 -0.531 -0.893
H3 2.574 1.028 -0.000
H4 2.492 -0.531 0.893
C5 0.631 0.110 -0.000
O6 -0.061 -1.070 -0.000
N7 -1.465 -0.795 0.000
C8 -1.542 0.531 0.000
H9 -2.536 0.995 0.000
C10 -0.258 1.164 -0.000
H11 -0.028 2.232 -0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 H9 C10 H11
C11.10961.10561.10961.49832.44243.68173.70444.76392.64613.0903
H21.10961.79841.78622.16112.75724.06454.26585.32963.35153.8450
H31.10561.79841.79842.14933.36814.43124.14645.11052.83572.8678
H41.10961.78621.79842.16112.75754.06464.26575.32943.35143.8447
C51.49832.16112.14932.16111.36772.28262.21353.28841.37922.2225
O62.44242.75723.36812.75751.36771.43082.18123.22362.24303.3025
N73.68174.06454.43124.06462.28261.43081.32772.08572.30073.3506
C83.70444.26584.14644.26572.21352.18121.32771.09691.43182.2776
H94.76395.32965.11055.32943.28843.22362.08571.09692.28422.7965
C102.64613.35152.83573.35141.37922.24302.30071.43182.28421.0926
H113.09033.84502.86783.84472.22253.30253.35062.27762.79651.0926

picture of Isoxazole, 5-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 O6 116.826 C1 C5 C10 133.691
H2 C1 H3 108.547 H2 C1 H4 107.199
H2 C1 C5 111.046 H3 C1 H4 108.547
H3 C1 C5 110.345 H4 C1 C5 111.047
C5 O6 N7 109.282 C5 C10 C8 103.882
C5 C10 H11 127.716 O6 C5 C10 109.483
O6 N7 C8 104.442 N7 C8 H9 118.377
N7 C8 C10 112.911 C8 C10 H11 128.402
H9 C8 C10 128.712
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.071      
2 H 0.041      
3 H 0.024      
4 H 0.041      
5 C 0.095      
6 O -0.148      
7 N -0.098      
8 C 0.131      
9 H -0.018      
10 C -0.095      
11 H -0.045      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.850 2.292 0.000 2.945
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.579 -3.279 0.000
y -3.279 -35.530 0.000
z 0.000 0.000 -35.884
Traceless
 xyz
x 4.128 -3.279 0.000
y -3.279 -1.798 0.000
z 0.000 0.000 -2.330
Polar
3z2-r2-4.660
x2-y23.951
xy-3.279
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.346 -0.469 0.005
y -0.469 7.608 0.005
z 0.005 0.005 4.200


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