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

using model chemistry: CCD/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 CCD/6-31+G**
 hartrees
Energy at 0K-316.314455
Energy at 298.15K 
HF Energy-315.330460
Nuclear repulsion energy211.069516
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 CCD/6-31+G**
Rotational Constants (cm-1) from geometry optimized at CCD/6-31+G**
ABC
0.09291 0.09270 0.04658

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.050 0.000
C2 -0.010 1.288 0.000
N3 0.149 2.492 0.000
C4 -0.010 -0.766 1.249
C5 -0.010 -0.766 -1.249
N6 -0.010 -1.343 2.262
N7 -0.010 -1.343 -2.262
H8 -0.657 3.112 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33802.54721.43921.43922.60552.60553.2276
C21.33801.21472.40342.40343.46953.46951.9354
N32.54721.21473.49253.49254.45514.45511.0166
C41.43922.40343.49252.49751.16633.55824.1247
C51.43922.40343.49252.49753.55821.16634.1247
N62.60553.46954.45511.16633.55824.52475.0378
N72.60553.46954.45513.55821.16634.52475.0378
H83.22761.93541.01664.12474.12475.03785.0378

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.478 C1 C4 N6 179.840
C1 C5 N7 179.840 C2 C1 C4 119.810
C2 C1 C5 119.810 C2 N3 H8 120.048
C4 C1 C5 120.381
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability