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

using model chemistry: MP3/TZVP

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/TZVP
 hartrees
Energy at 0K-316.417187
Energy at 298.15K 
HF Energy-315.419983
Nuclear repulsion energy212.913425
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/TZVP
Rotational Constants (cm-1) from geometry optimized at MP3/TZVP
ABC
0.09449 0.09416 0.04734

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.050 0.000
C2 -0.008 1.280 0.000
N3 0.139 2.472 0.000
C4 -0.008 -0.761 1.243
C5 -0.008 -0.761 -1.243
N6 -0.008 -1.331 2.241
N7 -0.008 -1.331 -2.241
H8 -0.670 3.083 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33062.52701.43191.43192.58122.58123.2023
C21.33061.20122.38992.38993.44123.44121.9203
N32.52701.20123.46723.46724.41724.41721.0138
C41.43192.38993.46722.48621.14933.53044.0936
C51.43192.38993.46722.48623.53041.14934.0936
N62.58123.44124.41721.14933.53044.48194.9944
N72.58123.44124.41723.53041.14934.48194.9944
H83.20231.92031.01384.09364.09364.99444.9944

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.954 C1 C4 N6 179.996
C1 C5 N7 179.996 C2 C1 C4 119.754
C2 C1 C5 119.754 C2 N3 H8 119.969
C4 C1 C5 120.492
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability