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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: PBEPBE/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at PBEPBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-186.665046
Energy at 298.15K 
HF Energy-186.665046
Nuclear repulsion energy89.138528
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 PBEPBE/6-311+G(3df,2p)
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 3297 3270 0.00 779.72 0.32 0.49
2 Ag 2064 2047 0.00 23.49 0.39 0.56
3 Ag 1135 1126 0.00 34.76 0.53 0.69
4 Ag 915 908 0.00 49.42 0.16 0.27
5 Ag 329 327 0.00 2.13 0.50 0.66
6 Au 928 921 109.45 0.00 0.00 0.00
7 Au 245 243 0.08 0.00 0.00 0.00
8 Bg 676 670 0.00 3.72 0.75 0.86
9 Bu 3297 3270 3.00 0.00 0.00 0.00
10 Bu 1710 1696 145.96 0.00 0.00 0.00
11 Bu 1093 1084 365.53 0.00 0.00 0.00
12 Bu 274 272 6.61 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 7981.3 cm-1
Scaled (by 0.9918) Zero Point Vibrational Energy (zpe) 7915.8 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 PBEPBE/6-311+G(3df,2p)
ABC
8.63913 0.14180 0.13951

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.273 -0.594 0.000
C2 -0.273 0.594 0.000
N3 0.273 -1.845 0.000
N4 -0.273 1.845 0.000
H5 1.225 -2.246 0.000
H6 -1.225 2.246 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30761.25062.49911.90633.2106
C21.30762.49911.25063.21061.9063
N31.25062.49913.72951.03284.3560
N42.49911.25063.72954.35601.0328
H51.90633.21061.03284.35605.1161
H63.21061.90634.35601.03285.1161

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 155.315 C1 N3 H5 112.853
C2 C1 N3 155.315 C2 N4 H6 112.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.588      
2 C 0.588      
3 N -0.790      
4 N -0.790      
5 H 0.202      
6 H 0.202      


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 -20.509 -7.120 0.000
y -7.120 -23.611 0.000
z 0.000 0.000 -23.208
Traceless
 xyz
x 2.901 -7.120 0.000
y -7.120 -1.753 0.000
z 0.000 0.000 -1.148
Polar
3z2-r2-2.296
x2-y23.103
xy-7.120
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.114 -2.138 0.000
y -2.138 11.704 0.000
z 0.000 0.000 3.754


<r2> (average value of r2) Å2
<r2> 80.915
(<r2>)1/2 8.995