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

using model chemistry: CCSD/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/TZVP
 hartrees
Energy at 0K-316.437356
Energy at 298.15K 
HF Energy-315.417329
Nuclear repulsion energy212.193381
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/TZVP
Rotational Constants (cm-1) from geometry optimized at CCSD/TZVP
ABC
0.09394 0.09357 0.04705

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.049 0.000
C2 -0.008 1.283 0.000
N3 0.140 2.480 0.000
C4 -0.008 -0.763 1.244
C5 -0.008 -0.763 -1.244
N6 -0.008 -1.336 2.249
N7 -0.008 -1.336 -2.249
H8 -0.672 3.091 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33272.53411.43371.43372.59112.59113.2100
C21.33271.20612.39432.39433.45263.45261.9260
N32.53411.20613.47643.47644.43244.43241.0163
C41.43372.39433.47642.48741.15743.53954.1036
C51.43372.39433.47642.48743.53951.15744.1036
N62.59113.45264.43241.15743.53954.49795.0101
N72.59113.45264.43243.53951.15744.49795.0101
H83.21001.92601.01634.10364.10365.01015.0101

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.952 C1 C4 N6 179.881
C1 C5 N7 179.881 C2 C1 C4 119.832
C2 C1 C5 119.832 C2 N3 H8 119.894
C4 C1 C5 120.336
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability