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

using model chemistry: QCISD(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 QCISD(T)/6-311G*
 hartrees
Energy at 0K-316.460833
Energy at 298.15K 
HF Energy-315.383066
Nuclear repulsion energy210.587470
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 QCISD(T)/6-311G*
Rotational Constants (cm-1) from geometry optimized at QCISD(T)/6-311G*
ABC
0.09241 0.09239 0.04637

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.055 0.000
C2 -0.010 1.290 0.000
N3 0.148 2.497 0.000
C4 -0.010 -0.767 1.251
C5 -0.010 -0.767 -1.251
N6 -0.010 -1.343 2.269
N7 -0.010 -1.343 -2.269
H8 -0.655 3.125 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34572.55701.43941.43942.60912.60913.2451
C21.34571.21682.40792.40793.47643.47641.9448
N32.55701.21683.49893.49894.46334.46331.0197
C41.43942.40793.49892.50241.16973.56714.1387
C51.43942.40793.49892.50243.56711.16974.1387
N62.60913.47644.46331.16973.56714.53805.0528
N72.60913.47644.46333.56711.16974.53805.0528
H83.24511.94481.01974.13874.13875.05285.0528

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.532 C1 C4 N6 179.899
C1 C5 N7 179.899 C2 C1 C4 119.629
C2 C1 C5 119.629 C2 N3 H8 120.557
C4 C1 C5 120.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability