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All results from a given calculation for HN=C=C(CN)2 (Dicyanoketenimine)

using model chemistry: MP3/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 MP3/cc-pVTZ
 hartrees
Energy at 0K-316.578354
Energy at 298.15K 
HF Energy-315.431418
Nuclear repulsion energy212.922216
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/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP3/cc-pVTZ
ABC
0.09461 0.09402 0.04733

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.005 -0.056 0.000
C2 -0.005 1.277 0.000
N3 0.124 2.469 0.000
C4 -0.005 -0.761 1.246
C5 -0.005 -0.761 -1.246
N6 -0.005 -1.325 2.247
N7 -0.005 -1.325 -2.247
H8 -0.685 3.077 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33252.52801.43181.43182.58082.58083.2055
C21.33251.19922.38892.38893.43803.43801.9242
N32.52801.19923.46483.46484.41164.41161.0119
C41.43182.38893.46482.49151.14913.53804.0923
C51.43182.38893.46482.49153.53801.14914.0923
N62.58083.43804.41161.14913.53804.49414.9889
N72.58083.43804.41163.53801.14914.49414.9889
H83.20551.92421.01194.09234.09234.98894.9889

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.826 C1 C4 N6 179.843
C1 C5 N7 179.843 C2 C1 C4 119.535
C2 C1 C5 119.535 C2 N3 H8 120.741
C4 C1 C5 120.931
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability