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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B2PLYP=FULLultrafine/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 B2PLYP=FULLultrafine/cc-pVDZ
 hartrees
Energy at 0K-186.639532
Energy at 298.15K 
HF Energy-186.439180
Nuclear repulsion energy88.822650
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=FULLultrafine/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 3386 3244 0.00 796.80 0.31 0.47
2 Ag 2095 2007 0.00 19.51 0.37 0.54
3 Ag 1180 1130 0.00 26.24 0.73 0.84
4 Ag 926 887 0.00 33.43 0.25 0.40
5 Ag 311 298 0.00 3.88 0.34 0.51
6 Au 950 910 115.48 0.00 0.00 0.00
7 Au 250 239 0.07 0.00 0.00 0.00
8 Bg 695 666 0.00 9.76 0.75 0.86
9 Bu 3387 3245 6.09 0.00 0.30 0.47
10 Bu 1735 1663 125.28 0.00 0.00 0.00
11 Bu 1137 1090 412.92 0.00 0.00 0.00
12 Bu 284 272 6.68 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8166.3 cm-1
Scaled (by 0.9582) Zero Point Vibrational Energy (zpe) 7825.0 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=FULLultrafine/cc-pVDZ
ABC
8.12242 0.14116 0.13875

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.291 -0.592 0.000
C2 -0.291 0.592 0.000
N3 0.291 -1.847 0.000
N4 -0.291 1.847 0.000
H5 1.254 -2.219 0.000
H6 -1.254 2.219 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.31911.25562.50781.89103.2077
C21.31912.50781.25563.20771.8910
N31.25562.50783.74051.03234.3503
N42.50781.25563.74054.35031.0323
H51.89103.20771.03234.35035.0981
H63.20771.89104.35031.03235.0981

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 153.812 C1 N3 H5 111.107
C2 C1 N3 153.812 C2 N4 H6 111.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.005      
2 C -0.005      
3 N -0.129      
4 N -0.129      
5 H 0.135      
6 H 0.135      


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 -19.904 -7.016 0.000
y -7.016 -22.919 0.000
z 0.000 0.000 -22.629
Traceless
 xyz
x 2.870 -7.016 0.000
y -7.016 -1.653 0.000
z 0.000 0.000 -1.217
Polar
3z2-r2-2.435
x2-y23.015
xy-7.016
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.904 -2.457 0.000
y -2.457 9.940 0.000
z 0.000 0.000 2.249


<r2> (average value of r2) Å2
<r2> 80.814
(<r2>)1/2 8.990