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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B3LYP/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 B3LYP/TZVP
 hartrees
Energy at 0K-186.878572
Energy at 298.15K 
HF Energy-186.878572
Nuclear repulsion energy89.774501
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/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 3377 3260 0.00 816.78 0.32 0.48
2 Ag 2152 2077 0.00 31.50 0.43 0.60
3 Ag 1171 1130 0.00 28.41 0.75 0.86
4 Ag 940 908 0.00 43.12 0.21 0.35
5 Ag 340 328 0.00 9.28 0.25 0.40
6 Au 966 933 134.92 0.00 0.00 0.00
7 Au 256 247 0.01 0.00 0.00 0.00
8 Bg 693 669 0.00 8.90 0.75 0.86
9 Bu 3377 3260 5.11 0.00 0.32 0.48
10 Bu 1759 1698 181.16 0.00 0.00 0.00
11 Bu 1130 1090 388.99 0.00 0.00 0.00
12 Bu 283 273 8.37 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8221.4 cm-1
Scaled (by 0.9654) 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/TZVP
ABC
9.26582 0.14316 0.14098

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.245 -0.600 0.000
C2 -0.245 0.600 0.000
N3 0.245 -1.840 0.000
N4 -0.245 1.840 0.000
H5 1.187 -2.243 0.000
H6 -1.187 2.243 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29551.24062.48871.89433.1829
C21.29552.48871.24063.18291.8943
N31.24062.48873.71301.02484.3270
N42.48871.24063.71304.32701.0248
H51.89433.18291.02484.32705.0755
H63.18291.89434.32701.02485.0755

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 157.807 C1 N3 H5 113.139
C2 C1 N3 157.807 C2 N4 H6 113.139
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.000      
2 C -0.000      
3 N -0.216      
4 N -0.216      
5 H 0.217      
6 H 0.217      


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 -20.456 -7.559 0.000
y -7.559 -24.003 0.000
z 0.000 0.000 -22.986
Traceless
 xyz
x 3.038 -7.559 0.000
y -7.559 -2.282 0.000
z 0.000 0.000 -0.756
Polar
3z2-r2-1.512
x2-y23.546
xy-7.559
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.211 -2.176 0.000
y -2.176 11.036 0.000
z 0.000 0.000 2.782


<r2> (average value of r2) Å2
<r2> 80.209
(<r2>)1/2 8.956