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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: BLYP/6-31G

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/6-31G
 hartrees
Energy at 0K-186.705813
Energy at 298.15K 
HF Energy-186.705813
Nuclear repulsion energy87.990324
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/6-31G
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 3200 3176 0.00 1006.24 0.32 0.49
2 Ag 2015 1999 0.00 20.70 0.34 0.51
3 Ag 1142 1133 0.00 43.39 0.75 0.85
4 Ag 908 901 0.00 32.74 0.27 0.43
5 Ag 375 372 0.00 4.06 0.43 0.60
6 Au 927 920 143.89 0.00 0.00 0.00
7 Au 249 247 0.37 0.00 0.00 0.00
8 Bg 707 701 0.00 19.24 0.75 0.86
9 Bu 3201 3177 19.99 0.00 0.00 0.00
10 Bu 1684 1671 85.22 0.00 0.00 0.00
11 Bu 1058 1050 505.08 0.00 0.00 0.00
12 Bu 279 277 9.31 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 7872.5 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 7812.6 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/6-31G
ABC
8.07420 0.13907 0.13671

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.316 -0.582 0.000
C2 -0.316 0.582 0.000
N3 0.316 -1.853 0.000
N4 -0.316 1.853 0.000
H5 1.257 -2.300 0.000
H6 -1.257 2.300 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.32491.27032.51561.95903.2840
C21.32492.51561.27033.28401.9590
N31.27032.51563.75881.04244.4410
N42.51561.27033.75884.44101.0424
H51.95903.28401.04244.44105.2430
H63.28401.95904.44101.04245.2430

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 151.539 C1 N3 H5 115.440
C2 C1 N3 151.539 C2 N4 H6 115.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.154      
2 C 0.154      
3 N -0.436      
4 N -0.436      
5 H 0.282      
6 H 0.282      


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 -19.836 -7.925 0.000
y -7.925 -22.869 0.000
z 0.000 0.000 -22.476
Traceless
 xyz
x 2.836 -7.925 0.000
y -7.925 -1.713 0.000
z 0.000 0.000 -1.123
Polar
3z2-r2-2.247
x2-y23.033
xy-7.925
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.889 -2.736 0.000
y -2.736 10.447 0.000
z 0.000 0.000 1.808


<r2> (average value of r2) Å2
<r2> 82.032
(<r2>)1/2 9.057