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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B2PLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-186.681344
Energy at 298.15K 
HF Energy-186.473640
Nuclear repulsion energy89.368516
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/6-311G**
Rotational Constants (cm-1) from geometry optimized at B2PLYP/6-311G**
ABC
8.81482 0.14218 0.13992

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.261 -0.597 0.000
C2 -0.261 0.597 0.000
N3 0.261 -1.846 0.000
N4 -0.261 1.846 0.000
H5 1.211 -2.229 0.000
H6 -1.211 2.229 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30331.24862.49801.88803.1862
C21.30332.49801.24863.18621.8880
N31.24862.49803.72821.02454.3321
N42.49801.24863.72824.33211.0245
H51.88803.18621.02454.33215.0729
H63.18621.88804.33211.02455.0729

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 156.398 C1 N3 H5 111.943
C2 C1 N3 156.398 C2 N4 H6 111.943
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.126      
2 C 0.126      
3 N -0.332      
4 N -0.332      
5 H 0.206      
6 H 0.206      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.119 -7.346 0.000
y -7.346 -23.512 0.000
z 0.000 0.000 -22.798
Traceless
 xyz
x 3.036 -7.346 0.000
y -7.346 -2.054 0.000
z 0.000 0.000 -0.983
Polar
3z2-r2-1.966
x2-y23.393
xy-7.346
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.862 -2.235 0.000
y -2.235 10.223 0.000
z 0.000 0.000 2.380


<r2> (average value of r2) Å2
<r2> 80.442
(<r2>)1/2 8.969