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

using model chemistry: CCSD(T)/6-311G**

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)/6-311G**
 hartrees
Energy at 0K-316.468037
Energy at 298.15K 
HF Energy-315.387603
Nuclear repulsion energy210.657576
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)/6-311G**
Rotational Constants (cm-1) from geometry optimized at CCSD(T)/6-311G**
ABC
0.09246 0.09245 0.04641

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.054 0.000
C2 -0.008 1.290 0.000
N3 0.142 2.498 0.000
C4 -0.008 -0.766 1.251
C5 -0.008 -0.766 -1.251
N6 -0.008 -1.343 2.268
N7 -0.008 -1.343 -2.268
H8 -0.687 3.094 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34452.55721.43951.43952.60852.60853.2212
C21.34451.21762.40722.40723.47523.47521.9279
N32.55721.21763.49953.49954.46344.46341.0212
C41.43952.40723.49952.50231.16903.56614.1149
C51.43952.40723.49952.50233.56611.16904.1149
N62.60853.47524.46341.16903.56614.53615.0294
N72.60853.47524.46343.56611.16904.53615.0294
H83.22121.92791.02124.11494.11495.02945.0294

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.917 C1 C4 N6 179.908
C1 C5 N7 179.908 C2 C1 C4 119.642
C2 C1 C5 119.642 C2 N3 H8 118.621
C4 C1 C5 120.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability