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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: PBEPBEultrafine/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-186.627200
Energy at 298.15K 
HF Energy-186.627200
Nuclear repulsion energy88.545312
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 PBEPBEultrafine/aug-cc-pVDZ
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 3284 3264 0.00 818.49 0.31 0.47
2 Ag 2034 2022 0.00 26.55 0.35 0.52
3 Ag 1139 1132 0.00 36.56 0.52 0.68
4 Ag 912 906 0.00 49.03 0.15 0.26
5 Ag 347 345 0.00 1.90 0.61 0.76
6 Au 918 913 109.86 0.00 0.00 0.00
7 Au 243 241 0.12 0.00 0.00 0.00
8 Bg 686 682 0.00 4.08 0.75 0.86
9 Bu 3284 3264 3.02 0.00 0.31 0.47
10 Bu 1703 1692 147.63 0.00 0.00 0.00
11 Bu 1092 1086 369.59 0.00 0.00 0.00
12 Bu 274 273 7.12 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 7957.4 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 7908.9 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
7.91087 0.14070 0.13824

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.307 -0.587 0.000
C2 -0.307 0.587 0.000
N3 0.307 -1.846 0.000
N4 -0.307 1.846 0.000
H5 1.268 -2.236 0.000
H6 -1.268 2.236 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.32421.25962.50911.90953.2328
C21.32422.50911.25963.23281.9095
N31.25962.50913.74311.03764.3760
N42.50911.25963.74314.37601.0376
H51.90953.23281.03764.37605.1421
H63.23281.90954.37601.03765.1421

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 152.380 C1 N3 H5 112.087
C2 C1 N3 152.380 C2 N4 H6 112.087
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.184      
2 C 0.184      
3 N -0.229      
4 N -0.229      
5 H 0.045      
6 H 0.045      


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 -20.441 -7.054 0.000
y -7.054 -23.793 0.000
z 0.000 0.000 -23.235
Traceless
 xyz
x 3.073 -7.054 0.000
y -7.054 -1.956 0.000
z 0.000 0.000 -1.118
Polar
3z2-r2-2.236
x2-y23.353
xy-7.054
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.374 -2.351 0.000
y -2.351 11.800 0.000
z 0.000 0.000 3.822


<r2> (average value of r2) Å2
<r2> 81.566
(<r2>)1/2 9.031