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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B97D3/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B97D3/3-21G*
 hartrees
Energy at 0K-185.656762
Energy at 298.15K 
HF Energy-185.656762
Nuclear repulsion energy88.657047
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 B97D3/3-21G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3061 3061 0.00 1153.91 0.32 0.48
2 Ag 2239 2239 0.00 2.15 0.74 0.85
3 Ag 1147 1147 0.00 50.96 0.70 0.82
4 Ag 911 911 0.00 27.04 0.29 0.45
5 Ag 439 439 0.00 3.60 0.68 0.81
6 Au 959 959 139.58 0.00 0.00 0.00
7 Au 298 298 0.11 0.00 0.00 0.00
8 Bg 854 854 0.00 2.56 0.75 0.86
9 Bu 3056 3056 73.54 0.00 0.00 0.00
10 Bu 1708 1708 71.73 0.00 0.00 0.00
11 Bu 1139 1139 435.70 0.00 0.00 0.00
12 Bu 303 303 39.44 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8056.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8056.8 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 B97D3/3-21G*
ABC
10.33615 0.13798 0.13616

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.008 -0.641 0.000
C2 -0.008 0.641 0.000
N3 -0.008 -1.898 0.000
N4 0.008 1.898 0.000
H5 0.937 -2.359 0.000
H6 -0.937 2.359 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.28301.25712.53991.95273.1460
C21.28302.53991.25713.14601.9527
N31.25712.53993.79701.05164.3577
N42.53991.25713.79704.35771.0516
H51.95273.14601.05164.35775.0769
H63.14601.95274.35771.05165.0769

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 178.502 C1 N3 H5 115.224
C2 C1 N3 178.502 C2 N4 H6 115.224
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.423      
2 C 0.423      
3 N -0.702      
4 N -0.702      
5 H 0.279      
6 H 0.279      


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 -21.577 -8.269 0.000
y -8.269 -22.613 0.000
z 0.000 0.000 -22.334
Traceless
 xyz
x 0.896 -8.269 0.000
y -8.269 -0.658 0.000
z 0.000 0.000 -0.239
Polar
3z2-r2-0.477
x2-y21.036
xy-8.269
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.409 -1.192 0.000
y -1.192 10.423 0.000
z 0.000 0.000 1.545


<r2> (average value of r2) Å2
<r2> 82.135
(<r2>)1/2 9.063