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

using model chemistry: CISD/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-316.121322
Energy at 298.15K 
HF Energy-315.351485
Nuclear repulsion energy212.200375
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-pVDZ
Rotational Constants (cm-1) from geometry optimized at CISD/cc-pVDZ
ABC
0.09402 0.09331 0.04701

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.001 -0.055 0.000
C2 -0.001 1.282 0.000
N3 0.111 2.479 0.000
C4 -0.001 -0.764 1.250
C5 -0.001 -0.764 -1.250
N6 -0.001 -1.329 2.256
N7 -0.001 -1.329 -2.256
H8 -0.722 3.061 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33762.53681.43681.43682.59022.59023.1986
C21.33761.20202.39792.39793.45023.45021.9192
N32.53681.20203.47753.47754.42694.42691.0165
C41.43682.39793.47752.49951.15343.55064.0883
C51.43682.39793.47752.49953.55061.15344.0883
N62.59023.45024.42691.15343.55064.51144.9875
N72.59023.45024.42693.55061.15344.51144.9875
H83.19861.91921.01654.08834.08834.98754.9875

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 174.623 C1 C4 N6 179.726
C1 C5 N7 179.726 C2 C1 C4 119.563
C2 C1 C5 119.563 C2 N3 H8 119.555
C4 C1 C5 120.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability