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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B3LYP/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 B3LYP/6-311G**
 hartrees
Energy at 0K-186.862438
Energy at 298.15K 
HF Energy-186.862438
Nuclear repulsion energy89.648095
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 B3LYP/6-311G**
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 3375 3263 0.00 821.74 0.31 0.48
2 Ag 2174 2102 0.00 25.60 0.40 0.57
3 Ag 1182 1143 0.00 24.50 0.74 0.85
4 Ag 936 905 0.00 35.67 0.26 0.42
5 Ag 289 280 0.00 4.00 0.42 0.59
6 Au 966 934 130.88 0.00 0.00 0.00
7 Au 256 247 0.00 0.00 0.00 0.00
8 Bg 677 655 0.00 8.18 0.75 0.86
9 Bu 3375 3263 4.12 0.00 0.00 0.00
10 Bu 1755 1697 158.59 0.00 0.00 0.00
11 Bu 1151 1112 386.87 0.00 0.00 0.00
12 Bu 284 275 6.92 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8209.6 cm-1
Scaled (by 0.9668) Zero Point Vibrational Energy (zpe) 7937.0 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 B3LYP/6-311G**
ABC
9.44825 0.14242 0.14031

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.226 -0.606 0.000
C2 -0.226 0.606 0.000
N3 0.226 -1.849 0.000
N4 -0.226 1.849 0.000
H5 1.173 -2.243 0.000
H6 -1.173 2.243 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29381.24302.49651.89113.1740
C21.29382.49651.24303.17401.8911
N31.24302.49653.72571.02614.3245
N42.49651.24303.72574.32451.0261
H51.89113.17401.02614.32455.0624
H63.17401.89114.32451.02615.0624

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 159.563 C1 N3 H5 112.558
C2 C1 N3 159.563 C2 N4 H6 112.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.131      
2 C 0.131      
3 N -0.339      
4 N -0.339      
5 H 0.208      
6 H 0.208      


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 -20.222 -7.360 0.000
y -7.360 -23.511 0.000
z 0.000 0.000 -22.683
Traceless
 xyz
x 2.875 -7.360 0.000
y -7.360 -2.058 0.000
z 0.000 0.000 -0.817
Polar
3z2-r2-1.633
x2-y23.288
xy-7.360
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.723 -2.128 0.000
y -2.128 10.376 0.000
z 0.000 0.000 2.371


<r2> (average value of r2) Å2
<r2> 80.247
(<r2>)1/2 8.958