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

using model chemistry: CCSD/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-316.597664
Energy at 298.15K 
HF Energy-315.441190
Nuclear repulsion energy212.363602
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/Def2TZVPP
Rotational Constants (cm-1) from geometry optimized at CCSD/Def2TZVPP
ABC
0.09411 0.09362 0.04710

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.005 -0.054 0.000
C2 -0.005 1.280 0.000
N3 0.124 2.475 0.000
C4 -0.005 -0.763 1.246
C5 -0.005 -0.763 -1.246
N6 -0.005 -1.330 2.253
N7 -0.005 -1.330 -2.253
H8 -0.684 3.086 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33422.53301.43331.43332.58872.58873.2130
C21.33421.20242.39252.39253.44743.44741.9296
N32.53301.20243.47173.47174.42374.42371.0133
C41.43332.39253.47172.49231.15553.54474.1018
C51.43332.39253.47172.49233.54471.15554.1018
N62.58873.44744.42371.15553.54474.50575.0034
N72.58873.44744.42373.54471.15554.50575.0034
H83.21301.92961.01334.10184.10185.00345.0034

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.821 C1 C4 N6 179.785
C1 C5 N7 179.785 C2 C1 C4 119.608
C2 C1 C5 119.608 C2 N3 H8 120.888
C4 C1 C5 120.784
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability