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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: BLYP/cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-186.843618
Energy at 298.15K 
HF Energy-186.843618
Nuclear repulsion energy89.031220
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-pVTZ
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 3251 3241 0.00 950.62 0.31 0.47
2 Ag 2023 2017 0.00 21.69 0.41 0.58
3 Ag 1157 1154 0.00 28.81 0.65 0.79
4 Ag 906 903 0.00 35.70 0.21 0.35
5 Ag 326 325 0.00 2.22 0.55 0.71
6 Au 931 928 111.74 0.00 0.00 0.00
7 Au 248 247 0.05 0.00 0.00 0.00
8 Bg 679 677 0.00 7.05 0.75 0.86
9 Bu 3251 3241 2.33 0.00 0.00 0.00
10 Bu 1688 1683 123.24 0.00 0.00 0.00
11 Bu 1111 1108 402.41 0.00 0.00 0.00
12 Bu 278 277 5.94 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 7924.3 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 7900.5 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 BLYP/cc-pVTZ
ABC
8.47537 0.14167 0.13934

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.282 -0.591 0.000
C2 -0.282 0.591 0.000
N3 0.282 -1.844 0.000
N4 -0.282 1.844 0.000
H5 1.234 -2.245 0.000
H6 -1.234 2.245 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.31011.25282.49971.90833.2161
C21.31012.49971.25283.21611.9083
N31.25282.49973.73081.03294.3611
N42.49971.25283.73084.36111.0329
H51.90833.21611.03294.36115.1238
H63.21611.90834.36111.03295.1238

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 154.476 C1 N3 H5 112.851
C2 C1 N3 154.476 C2 N4 H6 112.851
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.023      
2 C -0.023      
3 N -0.141      
4 N -0.141      
5 H 0.164      
6 H 0.164      


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 -20.372 -6.868 0.000
y -6.868 -23.400 0.000
z 0.000 0.000 -22.941
Traceless
 xyz
x 2.798 -6.868 0.000
y -6.868 -1.744 0.000
z 0.000 0.000 -1.055
Polar
3z2-r2-2.110
x2-y23.028
xy-6.868
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.596 -2.404 0.000
y -2.404 10.951 0.000
z 0.000 0.000 3.035


<r2> (average value of r2) Å2
<r2> 80.883
(<r2>)1/2 8.993