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

using model chemistry: MP3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP3/6-31+G**
 hartrees
Energy at 0K-284.546824
Energy at 298.15K 
HF Energy-283.640092
Nuclear repulsion energy224.092882
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 MP3/6-31+G**
Rotational Constants (cm-1) from geometry optimized at MP3/6-31+G**
ABC
0.30923 0.11903 0.08734

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31+G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.103 0.016 0.000
H2 2.452 -0.521 -0.881
H3 2.537 1.011 -0.001
H4 2.452 -0.520 0.881
C5 0.615 0.113 -0.000
O6 -0.063 -1.051 0.000
N7 -1.421 -0.789 0.000
C8 -1.534 0.514 -0.000
H9 -2.514 0.961 -0.000
C10 -0.257 1.157 -0.000
H11 -0.039 2.208 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 O6 N7 C8 H9 C10 H11
C11.08861.08591.08861.49112.41513.61543.67124.71262.62203.0652
H21.08861.76921.76212.13292.71693.98094.21085.25583.30593.7982
H31.08591.76921.76922.12083.31884.34834.10095.05052.79752.8399
H41.08861.76211.76922.13292.71733.98114.21075.25573.30563.7975
C51.49112.13292.12082.13291.34792.22772.18643.24181.36072.1948
O62.41512.71693.31882.71731.34791.38322.14783.17062.21723.2597
N73.61543.98094.34833.98112.22771.38321.30792.06292.26823.3009
C83.67124.21084.10094.21072.18642.14781.30791.07671.42992.2597
H94.71265.25585.05055.25573.24183.17062.06291.07672.26502.7714
C102.62203.30592.79753.30561.36072.21722.26821.42992.26501.0733
H113.06523.79822.83993.79752.19483.25973.30092.25972.77141.0733

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 116.482 C1 C5 C10 133.633
H2 C1 H3 108.899 H2 C1 H4 108.068
H2 C1 C5 110.579 H3 C1 H4 108.898
H3 C1 C5 109.769 H4 C1 C5 110.579
C5 O6 N7 109.307 C5 C10 C8 103.137
C5 C10 H11 128.383 O6 C5 C10 109.885
O6 N7 C8 105.865 N7 C8 H9 119.466
N7 C8 C10 111.806 C8 C10 H11 128.480
H9 C8 C10 128.728
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability