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

using model chemistry: CISD/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 CISD/cc-pVTZ
 hartrees
Energy at 0K-316.349058
Energy at 298.15K 
HF Energy-315.434045
Nuclear repulsion energy214.512291
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/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at CISD/cc-pVTZ
ABC
0.09620 0.09511 0.04799

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.002 -0.057 0.000
C2 -0.002 1.268 0.000
N3 0.107 2.448 0.000
C4 -0.002 -0.758 1.240
C5 -0.002 -0.758 -1.240
N6 -0.002 -1.312 2.234
N7 -0.002 -1.312 -2.234
H8 -0.685 3.064 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.32452.50721.42411.42412.56242.56243.1950
C21.32451.18532.37462.37463.41263.41261.9221
N32.50721.18533.43873.43874.37504.37501.0034
C41.42412.37463.43872.47941.13843.51754.0756
C51.42412.37463.43872.47943.51751.13844.0756
N62.56243.41264.37501.13843.51754.46774.9609
N72.56243.41264.37503.51751.13844.46774.9609
H83.19501.92211.00344.07564.07564.96094.9609

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.739 C1 C4 N6 179.675
C1 C5 N7 179.675 C2 C1 C4 119.479
C2 C1 C5 119.479 C2 N3 H8 122.632
C4 C1 C5 121.042
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability