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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: MP2=FULL/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-245.816564
Energy at 298.15K 
HF Energy-244.691543
Nuclear repulsion energy162.897901
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 MP2=FULL/aug-cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/aug-cc-pVQZ
ABC
0.32941 0.32588 0.16382

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.121 0.359 0.000
C2 0.622 -0.954 0.000
C3 0.000 1.122 0.000
N4 -0.695 -0.978 0.000
O5 -1.087 0.339 0.000
H6 2.140 0.691 0.000
H7 1.152 -1.888 0.000
H8 -0.185 2.178 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.40511.35602.25582.20851.07132.24752.2397
C21.40512.16701.31742.14312.23851.07413.2347
C31.35602.16702.21211.33962.18293.22281.0727
N42.25581.31742.21211.37433.29012.05943.1975
O52.20852.14311.33961.37433.24623.15832.0485
H61.07132.23852.18293.29013.24622.76162.7603
H72.24751.07413.22282.05943.15832.76164.2807
H82.23973.23471.07273.19752.04852.76034.2807

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 111.871 C1 C2 H7 129.588
C1 C3 O5 110.028 C1 C3 H8 134.161
C2 C1 C3 103.397 C2 C1 H6 128.856
C2 N4 O5 105.514 C3 C1 H6 127.748
C3 O5 N4 109.190 N4 C2 H7 118.541
O5 C3 H8 115.810
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability