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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B2PLYP/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-186.737495
Energy at 298.15K 
HF Energy-186.502756
Nuclear repulsion energy89.563949
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/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3419 3419 0.00 715.06 0.30 0.47
2 Ag 2117 2117 0.00 22.72 0.40 0.57
3 Ag 1174 1174 0.00 25.53 0.67 0.80
4 Ag 927 927 0.00 42.84 0.19 0.31
5 Ag 309 309 0.00 4.84 0.29 0.44
6 Au 961 961 121.29 0.00 0.00 0.00
7 Au 252 252 0.00 0.00 0.00 0.00
8 Bg 678 678 0.00 5.53 0.75 0.86
9 Bu 3420 3420 14.24 0.00 0.30 0.47
10 Bu 1729 1729 143.23 0.00 0.00 0.00
11 Bu 1135 1135 412.04 0.00 0.00 0.00
12 Bu 281 281 6.44 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8200.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8200.2 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/Def2TZVPP
ABC
9.15042 0.14249 0.14031

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.250 -0.600 0.000
C2 -0.250 0.600 0.000
N3 0.250 -1.845 0.000
N4 -0.250 1.845 0.000
H5 1.192 -2.239 0.000
H6 -1.192 2.239 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29891.24522.49481.89143.1841
C21.29892.49481.24523.18411.8914
N31.24522.49483.72311.02174.3312
N42.49481.24523.72314.33121.0217
H51.89143.18411.02174.33125.0740
H63.18411.89144.33121.02175.0740

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 157.390 C1 N3 H5 112.727
C2 C1 N3 157.390 C2 N4 H6 112.727
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.043      
2 C 0.043      
3 N -0.231      
4 N -0.231      
5 H 0.187      
6 H 0.187      


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 -20.532 -7.277 0.000
y -7.277 -23.725 0.000
z 0.000 0.000 -23.100
Traceless
 xyz
x 2.881 -7.277 0.000
y -7.277 -1.909 0.000
z 0.000 0.000 -0.972
Polar
3z2-r2-1.943
x2-y23.193
xy-7.277
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.484 -2.103 0.000
y -2.103 11.042 0.000
z 0.000 0.000 3.184


<r2> (average value of r2) Å2
<r2> 80.473
(<r2>)1/2 8.971