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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B2PLYP/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 B2PLYP/TZVP
 hartrees
Energy at 0K-186.697355
Energy at 298.15K 
HF Energy-186.489305
Nuclear repulsion energy89.571660
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/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 3416 3260 0.00 733.37 0.32 0.48
2 Ag 2104 2009 0.00 26.04 0.41 0.58
3 Ag 1171 1117 0.00 29.74 0.74 0.85
4 Ag 930 888 0.00 42.55 0.20 0.33
5 Ag 353 337 0.00 9.62 0.18 0.30
6 Au 963 919 131.47 0.00 0.00 0.00
7 Au 252 240 0.06 0.00 0.00 0.00
8 Bg 699 667 0.00 8.55 0.75 0.86
9 Bu 3417 3261 10.97 0.00 0.44 0.00
10 Bu 1734 1655 147.37 0.00 0.00 0.00
11 Bu 1125 1074 414.18 0.00 0.00 0.00
12 Bu 284 271 8.69 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8223.5 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 7848.5 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 B2PLYP/TZVP
ABC
8.74547 0.14307 0.14076

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.271 -0.592 0.000
C2 -0.271 0.592 0.000
N3 0.271 -1.837 0.000
N4 -0.271 1.837 0.000
H5 1.216 -2.229 0.000
H6 -1.216 2.229 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30161.24562.48871.89083.1890
C21.30162.48871.24563.18901.8908
N31.24562.48873.71431.02314.3300
N42.48871.24563.71434.33001.0231
H51.89083.18901.02314.33005.0789
H63.18901.89084.33001.02315.0789

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 155.402 C1 N3 H5 112.540
C2 C1 N3 155.402 C2 N4 H6 112.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.016      
2 C -0.016      
3 N -0.197      
4 N -0.197      
5 H 0.213      
6 H 0.213      


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 -20.400 -7.541 0.000
y -7.541 -24.031 0.000
z 0.000 0.000 -23.093
Traceless
 xyz
x 3.162 -7.541 0.000
y -7.541 -2.285 0.000
z 0.000 0.000 -0.877
Polar
3z2-r2-1.754
x2-y23.632
xy-7.541
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.330 -2.243 0.000
y -2.243 10.902 0.000
z 0.000 0.000 2.814


<r2> (average value of r2) Å2
<r2> 80.325
(<r2>)1/2 8.962