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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B1B95/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B1B95/daug-cc-pVTZ
 hartrees
Energy at 0K-186.802930
Energy at 298.15K 
HF Energy-186.802930
Nuclear repulsion energy90.078844
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 B1B95/daug-cc-pVTZ
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 3427 3427 0.00 722.47 0.30 0.46
2 Ag 2208 2208 0.00 25.54 0.42 0.60
3 Ag 1170 1170 0.00 28.78 0.48 0.65
4 Ag 947 947 0.00 51.46 0.16 0.27
5 Ag 308 308 0.00 2.77 0.54 0.70
6 Au 969 969 119.43 0.00 0.00 0.00
7 Au 255 255 0.02 0.00 0.00 0.00
8 Bg 673 673 0.00 3.39 0.75 0.86
9 Bu 3427 3427 14.68 0.00 0.00 0.00
10 Bu 1780 1780 196.36 0.00 0.00 0.00
11 Bu 1142 1142 358.55 0.00 0.00 0.00
12 Bu 286 286 6.50 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8295.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8295.3 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 B1B95/daug-cc-pVTZ
ABC
9.75014 0.14353 0.14145

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/daug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.216 -0.607 0.000
C2 -0.216 0.607 0.000
N3 0.216 -1.843 0.000
N4 -0.216 1.843 0.000
H5 1.156 -2.240 0.000
H6 -1.156 2.240 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.28851.23582.48761.88393.1599
C21.28852.48761.23583.15991.8839
N31.23582.48763.71081.02024.3068
N42.48761.23583.71084.30681.0202
H51.88393.15991.02024.30685.0406
H63.15991.88394.30681.02025.0406

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 160.438 C1 N3 H5 112.899
C2 C1 N3 160.438 C2 N4 H6 112.899
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.422      
2 C 0.422      
3 N -0.820      
4 N -0.820      
5 H 0.398      
6 H 0.398      


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 -20.463 -7.238 0.000
y -7.238 -23.677 0.000
z 0.000 0.000 -22.936
Traceless
 xyz
x 2.843 -7.238 0.000
y -7.238 -1.977 0.000
z 0.000 0.000 -0.866
Polar
3z2-r2-1.732
x2-y23.214
xy-7.238
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.800 -1.830 0.000
y -1.830 11.461 0.000
z 0.000 0.000 3.736


<r2> (average value of r2) Å2
<r2> 79.846
(<r2>)1/2 8.936