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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B3LYP/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 B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-186.840108
Energy at 298.15K 
HF Energy-186.840108
Nuclear repulsion energy89.180646
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 B3LYP/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 3381 3281 0.00 748.81 0.31 0.47
2 Ag 2131 2068 0.00 31.69 0.38 0.55
3 Ag 1175 1140 0.00 31.58 0.53 0.69
4 Ag 932 905 0.00 50.73 0.16 0.27
5 Ag 321 311 0.00 2.83 0.56 0.72
6 Au 951 923 118.80 0.00 0.00 0.00
7 Au 251 244 0.00 0.00 0.00 0.00
8 Bg 684 664 0.00 4.26 0.75 0.86
9 Bu 3381 3281 10.51 0.00 0.31 0.47
10 Bu 1747 1695 187.96 0.00 0.00 0.00
11 Bu 1138 1104 378.99 0.00 0.00 0.00
12 Bu 279 271 5.86 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8185.0 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 7942.7 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 B3LYP/aug-cc-pVDZ
ABC
8.84139 0.14154 0.13931

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.263 -0.599 0.000
C2 -0.263 0.599 0.000
N3 0.263 -1.848 0.000
N4 -0.263 1.848 0.000
H5 1.212 -2.244 0.000
H6 -1.212 2.244 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30891.24892.50351.89913.2033
C21.30892.50351.24893.20331.8991
N31.24892.50353.73391.02864.3502
N42.50351.24893.73394.35021.0286
H51.89913.20331.02864.35025.1012
H63.20331.89914.35021.02865.1012

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 156.335 C1 N3 H5 112.636
C2 C1 N3 156.335 C2 N4 H6 112.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.094      
2 C 0.094      
3 N -0.120      
4 N -0.120      
5 H 0.026      
6 H 0.026      


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 -20.603 -7.225 0.000
y -7.225 -24.214 0.000
z 0.000 0.000 -23.209
Traceless
 xyz
x 3.109 -7.225 0.000
y -7.225 -2.309 0.000
z 0.000 0.000 -0.800
Polar
3z2-r2-1.601
x2-y23.612
xy-7.225
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.051 -2.141 0.000
y -2.141 11.679 0.000
z 0.000 0.000 3.744


<r2> (average value of r2) Å2
<r2> 81.110
(<r2>)1/2 9.006