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All results from a given calculation for H2CNCN (cyanamide, methylene)

using model chemistry: CCSD/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at CCSD/cc-pVQZ
 hartrees
Energy at 0K-186.564642
Energy at 298.15K 
HF Energy-185.828090
Nuclear repulsion energy92.603416
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 CCSD/cc-pVQZ
Rotational Constants (cm-1) from geometry optimized at CCSD/cc-pVQZ
ABC
2.09158 0.18356 0.16875

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.082 -1.535 0.000
N2 -0.639 -0.486 0.000
C3 0.000 0.708 0.000
N4 0.462 1.767 0.000
H5 -0.422 -2.492 0.000
H6 1.168 -1.515 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27242.24453.32301.08191.0868
N21.27241.35442.50712.01792.0797
C32.24451.35441.15473.22822.5118
N43.32302.50711.15474.34943.3568
H51.08192.01793.22824.34941.8664
H61.08682.07972.51183.35681.8664

picture of cyanamide, methylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 117.369 N2 C1 H5 117.762
N2 C1 H6 123.463 N2 C3 N4 175.456
H5 C1 H6 118.775
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability