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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-316.281779
Energy at 298.15K 
HF Energy-315.320353
Nuclear repulsion energy211.564794
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 MP3/6-31G*
Rotational Constants (cm-1) from geometry optimized at MP3/6-31G*
ABC
0.09329 0.09310 0.04677

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.007 -0.054 0.000
C2 -0.007 1.284 0.000
N3 0.135 2.486 0.000
C4 -0.007 -0.765 1.249
C5 -0.007 -0.765 -1.249
N6 -0.007 -1.336 2.259
N7 -0.007 -1.336 -2.259
H8 -0.674 3.107 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33812.54411.43731.43732.59742.59743.2304
C21.33811.21042.39952.39953.45933.45931.9408
N32.54411.21043.48533.48534.44184.44181.0195
C41.43732.39953.48532.49891.16013.55484.1222
C51.43732.39953.48532.49893.55481.16014.1222
N62.59743.45934.44181.16013.55484.51835.0284
N72.59743.45934.44183.55481.16014.51835.0284
H83.23041.94081.01954.12224.12225.02845.0284

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.254 C1 C4 N6 179.880
C1 C5 N7 179.880 C2 C1 C4 119.621
C2 C1 C5 119.621 C2 N3 H8 120.767
C4 C1 C5 120.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability