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All results from a given calculation for N2O4 (Dinitrogen tetroxide)

using model chemistry: MP3/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1Ag
Energy calculated at MP3/daug-cc-pVTZ
 hartrees
Energy at 0K-409.565913
Energy at 298.15K 
HF Energy-408.208954
Nuclear repulsion energy243.266443
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/daug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP3/daug-cc-pVTZ
ABC
0.22409 0.13298 0.08346

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 0.837
N2 0.000 0.000 -0.837
O3 0.000 1.084 1.294
O4 0.000 -1.084 1.294
O5 0.000 1.084 -1.294
O6 0.000 -1.084 -1.294

Atom - Atom Distances (Å)
  N1 N2 O3 O4 O5 O6
N11.67481.17651.17652.39142.3914
N21.67482.39142.39141.17651.1765
O31.17652.39142.16872.58803.3765
O41.17652.39142.16873.37652.5880
O52.39141.17652.58803.37652.1687
O62.39141.17653.37652.58802.1687

picture of Dinitrogen tetroxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 N2 O5 112.834 N1 N2 O6 112.834
N2 N1 O3 112.834 N2 N1 O4 112.834
O3 N1 O4 134.333 O5 N2 O6 134.333
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability