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

using model chemistry: CID/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/3-21G
 hartrees
Energy at 0K-314.119166
Energy at 298.15K 
HF Energy-313.558619
Nuclear repulsion energy212.701917
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 CID/3-21G
Rotational Constants (cm-1) from geometry optimized at CID/3-21G
ABC
0.09497 0.09342 0.04722

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -0.051 0.000
C2 0.002 1.284 0.000
N3 0.078 2.473 0.000
C4 0.002 -0.762 1.236
C5 0.002 -0.762 -1.236
N6 0.002 -1.341 2.239
N7 0.002 -1.341 -2.239
H8 -0.619 3.206 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33492.52491.42661.42662.58362.58363.3157
C21.33491.19132.39112.39113.44973.44972.0200
N32.52491.19133.46453.46454.42274.42271.0118
C41.42662.39113.46452.47281.15703.52284.2030
C51.42662.39113.46452.47283.52281.15704.2030
N62.58363.44974.42271.15703.52284.47745.1059
N72.58363.44974.42273.52281.15704.47745.1059
H83.31572.02001.01184.20304.20305.10595.1059

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.335 C1 C4 N6 179.953
C1 C5 N7 179.953 C2 C1 C4 119.926
C2 C1 C5 119.926 C2 N3 H8 132.779
C4 C1 C5 120.148
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability