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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B2PLYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-186.730400
Energy at 298.15K 
HF Energy-186.494571
Nuclear repulsion energy89.587352
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/6-311+G(3df,2p)
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 3426 3426 0.00 648.18 0.31 0.48
2 Ag 2120 2120 0.00 24.43 0.38 0.55
3 Ag 1167 1167 0.00 31.94 0.54 0.70
4 Ag 926 926 0.00 50.17 0.16 0.27
5 Ag 313 313 0.00 3.31 0.40 0.57
6 Au 958 958 117.11 0.00 0.00 0.00
7 Au 251 251 0.00 0.00 0.00 0.00
8 Bg 679 679 0.00 3.40 0.75 0.86
9 Bu 3426 3426 19.16 0.00 0.31 0.48
10 Bu 1728 1728 155.88 0.00 0.00 0.00
11 Bu 1130 1130 397.92 0.00 0.00 0.00
12 Bu 280 280 6.06 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8200.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8200.4 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/6-311+G(3df,2p)
ABC
9.19700 0.14256 0.14038

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.249 -0.599 0.000
C2 -0.249 0.599 0.000
N3 0.249 -1.844 0.000
N4 -0.249 1.844 0.000
H5 1.190 -2.243 0.000
H6 -1.190 2.243 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29781.24482.49361.89423.1858
C21.29782.49361.24483.18581.8942
N31.24482.49363.72171.02224.3331
N42.49361.24483.72174.33311.0222
H51.89423.18581.02224.33315.0784
H63.18581.89424.33311.02225.0784

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 157.467 C1 N3 H5 112.974
C2 C1 N3 157.467 C2 N4 H6 112.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.585      
2 C 0.585      
3 N -0.801      
4 N -0.801      
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 -20.648 -7.354 0.000
y -7.354 -23.975 0.000
z 0.000 0.000 -23.308
Traceless
 xyz
x 2.993 -7.354 0.000
y -7.354 -1.996 0.000
z 0.000 0.000 -0.997
Polar
3z2-r2-1.994
x2-y23.326
xy-7.354
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.857 -1.966 0.000
y -1.966 11.504 0.000
z 0.000 0.000 3.692


<r2> (average value of r2) Å2
<r2> 80.570
(<r2>)1/2 8.976