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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-185.725267
Energy at 298.15K 
HF Energy-185.725267
Nuclear repulsion energy90.856501
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 HF/6-311G**
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 3660 3325 0.00 602.62 0.31 0.48
2 Ag 2463 2238 0.00 89.89 0.32 0.48
3 Ag 1277 1160 0.00 12.74 0.74 0.85
4 Ag 1000 909 0.00 49.04 0.28 0.44
5 Ag 303 276 0.00 5.79 0.67 0.80
6 Au 1053 956 164.11 0.00 0.00 0.00
7 Au 280 255 0.54 0.00 0.00 0.00
8 Bg 704 640 0.00 9.70 0.75 0.86
9 Bu 3661 3326 35.63 0.00 0.00 0.00
10 Bu 1889 1716 323.71 0.00 0.00 0.00
11 Bu 1278 1162 338.42 0.00 0.00 0.00
12 Bu 320 291 17.01 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8944.5 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 8126.1 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 HF/6-311G**
ABC
10.92476 0.14451 0.14263

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.098 -0.628 0.000
C2 -0.098 0.628 0.000
N3 0.098 -1.852 0.000
N4 -0.098 1.852 0.000
H5 1.032 -2.233 0.000
H6 -1.032 2.233 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.27111.22382.48741.85703.0763
C21.27112.48741.22383.07631.8570
N31.22382.48743.70871.00844.2385
N42.48741.22383.70874.23851.0084
H51.85703.07631.00844.23854.9203
H63.07631.85704.23851.00844.9203

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 171.086 C1 N3 H5 112.234
C2 C1 N3 171.086 C2 N4 H6 112.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.248      
2 C 0.248      
3 N -0.454      
4 N -0.454      
5 H 0.207      
6 H 0.207      


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 -20.949 -7.970 0.000
y -7.970 -24.555 0.000
z 0.000 0.000 -22.918
Traceless
 xyz
x 2.787 -7.970 0.000
y -7.970 -2.621 0.000
z 0.000 0.000 -0.166
Polar
3z2-r2-0.333
x2-y23.605
xy-7.970
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.073 -1.398 0.000
y -1.398 10.498 0.000
z 0.000 0.000 2.354


<r2> (average value of r2) Å2
<r2> 79.336
(<r2>)1/2 8.907