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All results from a given calculation for C3H3NO (Isoxazole)

using model chemistry: QCISD/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/daug-cc-pVTZ
 hartrees
Energy at 0K-245.611985
Energy at 298.15K 
HF Energy-244.677719
Nuclear repulsion energy162.313993
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 QCISD/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at QCISD/daug-cc-pVTZ
ABC
0.32904 0.32133 0.16257

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.125 0.371 0.000
C2 0.615 -0.961 0.000
C3 0.000 1.123 0.000
N4 -0.689 -0.989 0.000
O5 -1.092 0.342 0.000
H6 2.147 0.701 0.000
H7 1.155 -1.894 0.000
H8 -0.182 2.183 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 N4 O5 H6 H7 H8
C11.42661.35282.26792.21741.07412.26532.2344
C21.42662.17271.30482.14782.26051.07783.2440
C31.35282.17272.22181.34262.18823.23011.0762
N42.26791.30482.22181.39113.30212.05423.2132
O52.21742.14781.34261.39113.25933.17012.0541
H61.07412.26052.18823.30213.25932.77802.7611
H72.26531.07783.23012.05423.17012.77804.2909
H82.23443.24401.07623.21322.05412.76114.2909

picture of Isoxazole state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 112.186 C1 C2 H7 128.993
C1 C3 O5 110.701 C1 C3 H8 133.488
C2 C1 C3 102.803 C2 C1 H6 128.818
C2 N4 O5 105.592 C3 C1 H6 128.379
C3 O5 N4 108.718 N4 C2 H7 118.821
O5 C3 H8 115.811
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability