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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: PBE1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at PBE1PBE/6-31+G**
 hartrees
Energy at 0K-186.600560
Energy at 298.15K 
HF Energy-186.600560
Nuclear repulsion energy89.445100
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 PBE1PBE/6-31+G**
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 3454 3300 0.00 636.05 0.33 0.50
2 Ag 2181 2084 0.00 43.65 0.36 0.53
3 Ag 1172 1120 0.00 29.23 0.74 0.85
4 Ag 951 908 0.00 50.15 0.19 0.32
5 Ag 340 325 0.00 8.07 0.26 0.41
6 Au 965 922 142.22 0.00 0.00 0.00
7 Au 257 246 0.01 0.00 0.00 0.00
8 Bg 706 675 0.00 6.19 0.75 0.86
9 Bu 3455 3300 15.31 0.00 0.00 0.00
10 Bu 1793 1713 205.64 0.00 0.00 0.00
11 Bu 1131 1080 373.02 0.00 0.00 0.00
12 Bu 283 270 8.47 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8344.2 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 7971.3 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 PBE1PBE/6-31+G**
ABC
8.90414 0.14232 0.14008

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.260 -0.599 0.000
C2 -0.260 0.599 0.000
N3 0.260 -1.844 0.000
N4 -0.260 1.844 0.000
H5 1.207 -2.234 0.000
H6 -1.207 2.234 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30581.24502.49751.89023.1909
C21.30582.49751.24503.19091.8902
N31.24502.49753.72431.02484.3344
N42.49751.24503.72434.33441.0248
H51.89023.19091.02484.33445.0797
H63.19091.89024.33441.02485.0797

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 156.525 C1 N3 H5 112.406
C2 C1 N3 156.525 C2 N4 H6 112.406
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.139      
2 C 0.139      
3 N -0.436      
4 N -0.436      
5 H 0.297      
6 H 0.297      


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 -20.218 -7.822 0.000
y -7.822 -23.953 0.000
z 0.000 0.000 -23.182
Traceless
 xyz
x 3.349 -7.822 0.000
y -7.822 -2.253 0.000
z 0.000 0.000 -1.096
Polar
3z2-r2-2.192
x2-y23.735
xy-7.822
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.320 -2.091 0.000
y -2.091 11.149 0.000
z 0.000 0.000 2.955


<r2> (average value of r2) Å2
<r2> 80.585
(<r2>)1/2 8.977