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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: BLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at BLYP/cc-pVDZ
 hartrees
Energy at 0K-186.779410
Energy at 298.15K 
HF Energy-186.779410
Nuclear repulsion energy88.305609
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 BLYP/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3204 3209 0.00 982.53 0.31 0.48
2 Ag 1993 1997 0.00 20.63 0.36 0.53
3 Ag 1155 1157 0.00 32.50 0.71 0.83
4 Ag 904 905 0.00 30.84 0.25 0.40
5 Ag 341 341 0.00 3.39 0.49 0.66
6 Au 915 916 101.47 0.00 0.00 0.00
7 Au 244 245 0.26 0.00 0.00 0.00
8 Bg 692 693 0.00 12.26 0.75 0.86
9 Bu 3204 3209 7.05 0.00 0.00 0.00
10 Bu 1691 1694 113.75 0.00 0.00 0.00
11 Bu 1104 1106 388.10 0.00 0.00 0.00
12 Bu 279 279 7.42 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 7862.8 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 7875.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at BLYP/cc-pVDZ
ABC
7.51374 0.14049 0.13791

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.324 -0.582 0.000
C2 -0.324 0.582 0.000
N3 0.324 -1.845 0.000
N4 -0.324 1.845 0.000
H5 1.295 -2.228 0.000
H6 -1.295 2.228 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.33161.26272.51121.91093.2422
C21.33162.51121.26273.24221.9109
N31.26272.51123.74541.04394.3819
N42.51121.26273.74544.38191.0439
H51.91093.24221.04394.38195.1530
H63.24221.91094.38191.04395.1530

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 150.913 C1 N3 H5 111.528
C2 C1 N3 150.913 C2 N4 H6 111.528
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.029      
2 C -0.029      
3 N -0.090      
4 N -0.090      
5 H 0.119      
6 H 0.119      


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 -19.806 -6.634 0.000
y -6.634 -22.495 0.000
z 0.000 0.000 -22.462
Traceless
 xyz
x 2.672 -6.634 0.000
y -6.634 -1.361 0.000
z 0.000 0.000 -1.311
Polar
3z2-r2-2.623
x2-y22.689
xy-6.634
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.195 -2.696 0.000
y -2.696 10.110 0.000
z 0.000 0.000 2.272


<r2> (average value of r2) Å2
<r2> 81.178
(<r2>)1/2 9.010