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

using model chemistry: B2PLYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A'
Energy calculated at B2PLYP/aug-cc-pVTZ
 hartrees
Energy at 0K-186.789552
Energy at 298.15K 
HF Energy-186.554947
Nuclear repulsion energy92.352911
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 B2PLYP/aug-cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at B2PLYP/aug-cc-pVTZ
ABC
2.21027 0.18043 0.16681

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.091 -1.552 0.000
N2 -0.612 -0.487 0.000
C3 0.000 0.708 0.000
N4 0.427 1.790 0.000
H5 -0.430 -2.501 0.000
H6 1.179 -1.553 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 N4 H5 H6
C11.27652.26233.35951.08251.0877
N21.27651.34302.50362.02212.0843
C32.26231.34301.16363.23792.5500
N43.35952.50361.16364.37623.4268
H51.08252.02213.23794.37621.8676
H61.08772.08432.55003.42681.8676

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 119.431 N2 C1 H5 117.770
N2 C1 H6 123.481 N2 C3 N4 174.423
H5 C1 H6 118.749
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.596      
2 N -0.021      
3 C 0.049      
4 N -0.355      
5 H 0.453      
6 H 0.471      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.447 -4.486 0.000 4.508
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.153 -2.749 0.000
y -2.749 -24.040 0.000
z 0.000 0.000 -23.083
Traceless
 xyz
x -0.592 -2.749 0.000
y -2.749 -0.422 0.000
z 0.000 0.000 1.013
Polar
3z2-r22.026
x2-y2-0.113
xy-2.749
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.641 0.348 0.000
y 0.348 8.796 0.000
z 0.000 0.000 3.684


<r2> (average value of r2) Å2
<r2> 70.599
(<r2>)1/2 8.402