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All results from a given calculation for C2H2N2O (Furazan)

using model chemistry: CISD/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CISD/daug-cc-pVTZ
 hartrees
Energy at 0K-261.449205
Energy at 298.15K 
HF Energy-260.644878
Nuclear repulsion energy166.232920
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 CISD/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CISD/daug-cc-pVTZ
ABC
0.36129 0.33570 0.17401

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.105
N2 0.000 1.105 0.353
N3 0.000 -1.105 0.353
C4 0.000 0.708 -0.869
C5 0.000 -0.708 -0.869
H6 0.000 1.402 -1.680
H7 0.000 -1.402 -1.680

Atom - Atom Distances (Å)
  O1 N2 N3 C4 C5 H6 H7
O11.33711.33712.09702.09703.11793.1179
N21.33712.21071.28442.18652.05393.2277
N31.33712.21072.18651.28443.22772.0539
C42.09701.28442.18651.41631.06742.2608
C52.09702.18651.28441.41632.26081.0674
H63.11792.05393.22771.06742.26082.8044
H73.11793.22772.05392.26081.06742.8044

picture of Furazan state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 N2 C4 106.230 O1 N3 C5 106.230
N2 O1 N3 111.514 N2 C4 C5 108.014
N2 C4 H6 121.430 N3 C5 C4 108.014
N3 C5 H7 121.430 C4 C5 H7 130.557
C5 C4 H6 130.557
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability