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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: M06-2X/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at M06-2X/6-31G(2df,p)
 hartrees
Energy at 0K-186.740618
Energy at 298.15K 
HF Energy-186.740618
Nuclear repulsion energy89.847303
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 M06-2X/6-31G(2df,p)
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 3427 3264 0.00 684.80 0.31 0.47
2 Ag 2299 2189 0.00 24.52 0.37 0.54
3 Ag 1164 1109 0.00 20.78 0.69 0.81
4 Ag 956 911 0.00 39.83 0.27 0.43
5 Ag 274 261 0.00 2.82 0.53 0.69
6 Au 975 929 129.11 0.00 0.00 0.00
7 Au 258 246 0.33 0.00 0.00 0.00
8 Bg 664 632 0.00 5.49 0.75 0.86
9 Bu 3428 3265 16.37 0.00 0.00 0.00
10 Bu 1805 1719 180.51 0.00 0.00 0.00
11 Bu 1152 1097 321.28 0.00 0.00 0.00
12 Bu 295 281 9.99 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8348.5 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 7951.1 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 M06-2X/6-31G(2df,p)
ABC
10.16519 0.14211 0.14015

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.162 -0.622 0.000
C2 -0.162 0.622 0.000
N3 0.162 -1.861 0.000
N4 -0.162 1.861 0.000
H5 1.113 -2.245 0.000
H6 -1.113 2.245 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.28521.23912.50371.88113.1377
C21.28522.50371.23913.13771.8811
N31.23912.50373.73581.02514.2994
N42.50371.23913.73584.29941.0251
H51.88113.13771.02514.29945.0115
H63.13771.88114.29941.02515.0115

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 165.357 C1 N3 H5 112.016
C2 C1 N3 165.357 C2 N4 H6 112.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.179      
2 C 0.179      
3 N -0.462      
4 N -0.462      
5 H 0.283      
6 H 0.283      


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 -20.174 -7.235 0.000
y -7.235 -23.163 0.000
z 0.000 0.000 -22.469
Traceless
 xyz
x 2.642 -7.235 0.000
y -7.235 -1.842 0.000
z 0.000 0.000 -0.800
Polar
3z2-r2-1.601
x2-y22.989
xy-7.235
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.526 -1.795 0.000
y -1.795 10.181 0.000
z 0.000 0.000 2.508


<r2> (average value of r2) Å2
<r2> 80.059
(<r2>)1/2 8.948