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

using model chemistry: CCSD(T)/6-31+G**

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(T)/6-31+G**
 hartrees
Energy at 0K-316.376282
Energy at 298.15K 
HF Energy-315.325522
Nuclear repulsion energy210.059704
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(T)/6-31+G**
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/6-31+G**
ABC
0.09207 0.09194 0.04618

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.014 -0.054 0.000
C2 -0.014 1.293 0.000
N3 0.168 2.502 0.000
C4 -0.014 -0.767 1.251
C5 -0.014 -0.767 -1.251
N6 -0.014 -1.348 2.274
N7 -0.014 -1.348 -2.274
H8 -0.631 3.136 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34682.56261.43991.43992.61632.61633.2495
C21.34681.22292.41002.41003.48473.48471.9440
N32.56261.22293.50513.50514.47494.47491.0198
C41.43992.41003.50512.50181.17643.57264.1453
C51.43992.41003.50512.50183.57261.17644.1453
N62.61633.48474.47491.17643.57264.54835.0654
N72.61633.48474.47493.57261.17644.54835.0654
H83.24951.94401.01984.14534.14535.06545.0654

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 171.442 C1 C4 N6 179.876
C1 C5 N7 179.876 C2 C1 C4 119.686
C2 C1 C5 119.686 C2 N3 H8 119.911
C4 C1 C5 120.628
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability