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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: PBE1PBE/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at PBE1PBE/aug-cc-pVTZ
 hartrees
Energy at 0K-186.659072
Energy at 298.15K 
HF Energy-186.659072
Nuclear repulsion energy89.922821
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 PBE1PBE/aug-cc-pVTZ
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 3295 0.00 709.44 0.30 0.46
2 Ag 2205 2120 0.00 27.18 0.41 0.58
3 Ag 1170 1125 0.00 28.22 0.50 0.66
4 Ag 947 910 0.00 51.34 0.16 0.27
5 Ag 308 297 0.00 2.83 0.56 0.72
6 Au 967 930 120.14 0.00 0.00 0.00
7 Au 255 245 0.01 0.00 0.00 0.00
8 Bg 675 649 0.00 3.34 0.75 0.86
9 Bu 3427 3295 15.81 0.00 0.00 0.00
10 Bu 1779 1710 194.17 0.00 0.00 0.00
11 Bu 1142 1098 359.38 0.00 0.00 0.00
12 Bu 286 275 6.65 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8293.0 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 7973.7 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 PBE1PBE/aug-cc-pVTZ
ABC
9.68461 0.14307 0.14098

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.217 -0.608 0.000
C2 -0.217 0.608 0.000
N3 0.217 -1.846 0.000
N4 -0.217 1.846 0.000
H5 1.159 -2.242 0.000
H6 -1.159 2.242 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29081.23792.49171.88673.1651
C21.29082.49171.23793.16511.8867
N31.23792.49173.71691.02254.3135
N42.49171.23793.71694.31351.0225
H51.88673.16511.02254.31355.0486
H63.16511.88674.31351.02255.0486

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 160.360 C1 N3 H5 112.822
C2 C1 N3 160.360 C2 N4 H6 112.822
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.192      
2 C 0.192      
3 N -0.355      
4 N -0.355      
5 H 0.163      
6 H 0.163      


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 -20.533 -7.296 0.000
y -7.296 -23.704 0.000
z 0.000 0.000 -23.030
Traceless
 xyz
x 2.834 -7.296 0.000
y -7.296 -1.922 0.000
z 0.000 0.000 -0.911
Polar
3z2-r2-1.823
x2-y23.171
xy-7.296
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.813 -1.843 0.000
y -1.843 11.491 0.000
z 0.000 0.000 3.741


<r2> (average value of r2) Å2
<r2> 80.102
(<r2>)1/2 8.950