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

using model chemistry: CCSD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-316.323373
Energy at 298.15K 
HF Energy-315.344333
Nuclear repulsion energy209.880361
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/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at CCSD/cc-pVDZ
ABC
0.09183 0.09166 0.04605

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.005 -0.053 0.000
C2 -0.005 1.295 0.000
N3 0.132 2.509 0.000
C4 -0.005 -0.770 1.257
C5 -0.005 -0.770 -1.257
N6 -0.005 -1.347 2.277
N7 -0.005 -1.347 -2.277
H8 -0.720 3.083 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34842.56571.44721.44722.61912.61913.2167
C21.34841.22142.41762.41763.48813.48811.9255
N32.56571.22143.51413.51414.48014.48011.0276
C41.44722.41763.51412.51491.17193.58164.1153
C51.44722.41763.51412.51493.58161.17194.1153
N62.61913.48814.48011.17193.58164.55465.0321
N72.61913.48814.48013.58161.17194.55465.0321
H83.21671.92551.02764.11534.11535.03215.0321

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.538 C1 C4 N6 179.835
C1 C5 N7 179.835 C2 C1 C4 119.674
C2 C1 C5 119.674 C2 N3 H8 117.513
C4 C1 C5 120.653
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability