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

using model chemistry: CCSD=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CCSD=FULL/TZVP
 hartrees
Energy at 0K-316.561710
Energy at 298.15K 
HF Energy-315.417751
Nuclear repulsion energy212.352731
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 CCSD=FULL/TZVP
Rotational Constants (cm-1) from geometry optimized at CCSD=FULL/TZVP
ABC
0.09409 0.09370 0.04712

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.049 0.000
C2 -0.008 1.282 0.000
N3 0.137 2.479 0.000
C4 -0.008 -0.762 1.243
C5 -0.008 -0.762 -1.243
N6 -0.008 -1.335 2.247
N7 -0.008 -1.335 -2.247
H8 -0.673 3.091 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33182.53211.43261.43262.58912.58913.2098
C21.33181.20492.39262.39263.45003.45001.9269
N32.53211.20493.47383.47384.42914.42911.0158
C41.43262.39263.47382.48541.15663.53674.1026
C51.43262.39263.47382.48543.53671.15664.1026
N62.58913.45004.42911.15663.53674.49445.0083
N72.58913.45004.42913.53671.15664.49445.0083
H83.20981.92691.01584.10264.10265.00835.0083

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.092 C1 C4 N6 179.880
C1 C5 N7 179.880 C2 C1 C4 119.834
C2 C1 C5 119.834 C2 N3 H8 120.144
C4 C1 C5 120.331
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability