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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: PBE1PBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at PBE1PBE/TZVP
 hartrees
Energy at 0K-186.651124
Energy at 298.15K 
HF Energy-186.651124
Nuclear repulsion energy89.938844
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 PBE1PBE/TZVP
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 3426 3287 0.00 745.36 0.31 0.48
2 Ag 2204 2115 0.00 32.60 0.41 0.58
3 Ag 1167 1120 0.00 26.10 0.75 0.86
4 Ag 951 913 0.00 44.03 0.22 0.36
5 Ag 341 327 0.00 9.20 0.25 0.40
6 Au 973 934 137.43 0.00 0.00 0.00
7 Au 256 246 0.01 0.00 0.00 0.00
8 Bg 693 665 0.00 8.12 0.75 0.86
9 Bu 3426 3288 10.87 0.00 0.00 0.00
10 Bu 1788 1716 190.92 0.00 0.00 0.00
11 Bu 1130 1085 372.66 0.00 0.00 0.00
12 Bu 287 275 9.40 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8321.9 cm-1
Scaled (by 0.9596) Zero Point Vibrational Energy (zpe) 7985.7 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 PBE1PBE/TZVP
ABC
9.41242 0.14346 0.14131

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.233 -0.603 0.000
C2 -0.233 0.603 0.000
N3 0.233 -1.841 0.000
N4 -0.233 1.841 0.000
H5 1.177 -2.236 0.000
H6 -1.177 2.236 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29251.23782.48761.88603.1692
C21.29252.48761.23783.16921.8860
N31.23782.48763.71071.02354.3131
N42.48761.23783.71074.31311.0235
H51.88603.16921.02354.31315.0529
H63.16921.88604.31311.02355.0529

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 158.907 C1 N3 H5 112.692
C2 C1 N3 158.907 C2 N4 H6 112.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.037      
2 C -0.037      
3 N -0.183      
4 N -0.183      
5 H 0.220      
6 H 0.220      


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 -20.307 -7.653 0.000
y -7.653 -23.709 0.000
z 0.000 0.000 -22.861
Traceless
 xyz
x 2.978 -7.653 0.000
y -7.653 -2.125 0.000
z 0.000 0.000 -0.852
Polar
3z2-r2-1.705
x2-y23.402
xy-7.653
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.075 -2.070 0.000
y -2.070 10.902 0.000
z 0.000 0.000 2.717


<r2> (average value of r2) Å2
<r2> 79.895
(<r2>)1/2 8.938