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

using model chemistry: CCD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCD/6-31G(2df,p)
 hartrees
Energy at 0K-316.463935
Energy at 298.15K 
HF Energy-315.352732
Nuclear repulsion energy212.352653
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 CCD/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at CCD/6-31G(2df,p)
ABC
0.09416 0.09361 0.04711

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 -0.054 0.000
C2 -0.004 1.278 0.000
N3 0.122 2.475 0.000
C4 -0.004 -0.762 1.245
C5 -0.004 -0.762 -1.245
N6 -0.004 -1.330 2.253
N7 -0.004 -1.330 -2.253
H8 -0.686 3.088 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33172.53161.43261.43262.58962.58963.2145
C21.33171.20342.39002.39003.44653.44651.9338
N32.53161.20343.47033.47034.42364.42361.0148
C41.43262.39003.47032.49061.15703.54454.1030
C51.43262.39003.47032.49063.54451.15704.1030
N62.58963.44654.42361.15703.54454.50685.0056
N72.58963.44654.42363.54451.15704.50685.0056
H83.21451.93381.01484.10304.10305.00565.0056

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.944 C1 C4 N6 179.765
C1 C5 N7 179.765 C2 C1 C4 119.628
C2 C1 C5 119.628 C2 N3 H8 121.094
C4 C1 C5 120.744
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability