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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-185.605257
Energy at 298.15K 
HF Energy-185.605257
Nuclear repulsion energy89.703291
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 HF/LANL2DZ
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 3691 3322 0.00 617.88 0.33 0.50
2 Ag 2444 2199 0.00 134.01 0.29 0.45
3 Ag 1230 1107 0.00 27.38 0.57 0.73
4 Ag 986 887 0.00 61.22 0.27 0.43
5 Ag 359 323 0.00 10.45 0.50 0.67
6 Au 1068 961 209.91 0.00 0.00 0.00
7 Au 280 252 0.00 0.00 0.00 0.00
8 Bg 710 639 0.00 18.55 0.75 0.86
9 Bu 3693 3323 50.18 0.00 0.00 0.00
10 Bu 1859 1673 263.27 0.00 0.00 0.00
11 Bu 1184 1065 621.54 0.00 0.00 0.00
12 Bu 310 279 22.44 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8906.1 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 8014.6 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 HF/LANL2DZ
ABC
11.88881 0.14062 0.13897

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.129 -0.627 0.000
C2 -0.129 0.627 0.000
N3 0.129 -1.869 0.000
N4 -0.129 1.869 0.000
H5 1.025 -2.337 0.000
H6 -1.025 2.337 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.27961.24292.50951.93093.1806
C21.27962.50951.24293.18061.9309
N31.24292.50953.74791.01044.3621
N42.50951.24293.74794.36211.0104
H51.93093.18061.01044.36215.1041
H63.18061.93094.36211.01045.1041

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 168.349 C1 N3 H5 117.574
C2 C1 N3 168.349 C2 N4 H6 117.574
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.048      
2 C 0.048      
3 N -0.358      
4 N -0.358      
5 H 0.310      
6 H 0.310      


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 -21.496 -9.594 0.000
y -9.594 -24.973 0.000
z 0.000 0.000 -23.487
Traceless
 xyz
x 2.734 -9.594 0.000
y -9.594 -2.482 0.000
z 0.000 0.000 -0.252
Polar
3z2-r2-0.505
x2-y23.477
xy-9.594
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.870 -1.673 0.000
y -1.673 11.519 0.000
z 0.000 0.000 2.054


<r2> (average value of r2) Å2
<r2> 81.666
(<r2>)1/2 9.037