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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: MP3=FULL/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP3=FULL/daug-cc-pVTZ
 hartrees
Energy at 0K-148.579782
Energy at 298.15K 
HF Energy-147.961623
Nuclear repulsion energy60.546918
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=FULL/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/daug-cc-pVTZ
ABC
12.31576 0.35171 0.35169

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/daug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.011
N2 0.000 1.212 -0.079
N3 0.000 -1.212 -0.079
H4 0.624 1.729 0.516
H5 -0.624 -1.729 0.516

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21501.21501.90621.9062
N21.21502.42341.00513.0645
N31.21502.42343.06451.0051
H41.90621.00513.06453.6764
H51.90623.06451.00513.6764

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.003 C1 N3 H5 118.003
N2 C1 N3 171.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability