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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: BLYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-184.313811
Energy at 298.15K 
HF Energy-184.313811
Nuclear repulsion energy85.973846
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/STO-3G
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 3226 2984 0.00 451.45 0.32 0.49
2 Ag 1909 1766 0.00 24.41 0.32 0.48
3 Ag 1219 1127 0.00 38.29 0.73 0.84
4 Ag 903 835 0.00 24.05 0.22 0.36
5 Ag 369 341 0.00 0.87 0.45 0.62
6 Au 894 827 79.99 0.00 0.00 0.00
7 Au 230 213 0.02 0.00 0.00 0.00
8 Bg 707 654 0.00 18.86 0.75 0.86
9 Bu 3224 2983 20.09 0.00 0.00 0.00
10 Bu 1644 1521 10.73 0.00 0.00 0.00
11 Bu 1162 1075 281.06 0.00 0.00 0.00
12 Bu 286 264 3.44 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 7886.2 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 7296.3 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/STO-3G
ABC
5.73319 0.13647 0.13330

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.202 -0.644 0.000
C2 -0.202 0.644 0.000
N3 -0.202 -1.894 0.000
N4 0.202 1.894 0.000
H5 0.687 -2.531 0.000
H6 -0.687 2.531 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.35101.31372.53881.94813.2980
C21.35102.53881.31373.29801.9481
N31.31372.53883.81021.09384.4522
N42.53881.31373.81024.45221.0938
H51.94813.29801.09384.45225.2458
H63.29801.94814.45221.09385.2458

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 144.626 C1 N3 H5 107.684
C2 C1 N3 144.626 C2 N4 H6 107.684
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.046      
2 C 0.046      
3 N -0.229      
4 N -0.229      
5 H 0.183      
6 H 0.183      


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 -21.432 -6.332 0.000
y -6.332 -18.302 0.000
z 0.000 0.000 -20.701
Traceless
 xyz
x -1.930 -6.332 0.000
y -6.332 2.764 0.000
z 0.000 0.000 -0.834
Polar
3z2-r2-1.668
x2-y2-3.130
xy-6.332
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.603 -0.920 0.000
y -0.920 8.481 0.000
z 0.000 0.000 0.839


<r2> (average value of r2) Å2
<r2> 82.629
(<r2>)1/2 9.090