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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B97D3/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/cc-pVQZ
 hartrees
Energy at 0K-148.765464
Energy at 298.15K-148.767836
HF Energy-148.765464
Nuclear repulsion energy60.013880
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 B97D3/cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3529 3529 18.44      
2 A 1254 1254 0.02      
3 A 916 916 10.61      
4 A 700 700 84.97      
5 A 530 530 0.29      
6 B 3528 3528 100.16      
7 B 2181 2181 548.30      
8 B 912 912 406.86      
9 B 532 532 63.44      

Unscaled Zero Point Vibrational Energy (zpe) 7040.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7040.4 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 B97D3/cc-pVQZ
ABC
12.49913 0.34530 0.34519

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVQZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.025
N2 0.000 1.221 -0.083
N3 0.000 -1.221 -0.083
H4 0.618 1.771 0.502
H5 -0.618 -1.771 0.502

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.22541.22541.93551.9355
N21.22542.44121.01303.1104
N31.22542.44123.11041.0130
H41.93551.01303.11043.7518
H51.93553.11041.01303.7518

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.390 C1 N3 H5 119.390
N2 C1 N3 169.899
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.343      
2 N -0.378      
3 N -0.378      
4 H 0.206      
5 H 0.206      


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 1.914 1.914
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.865 3.987 0.000
y 3.987 -16.073 0.000
z 0.000 0.000 -17.365
Traceless
 xyz
x -0.146 3.987 0.000
y 3.987 1.041 0.000
z 0.000 0.000 -0.895
Polar
3z2-r2-1.790
x2-y2-0.792
xy3.987
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.853 0.281 0.000
y 0.281 6.644 0.000
z 0.000 0.000 2.832


<r2> (average value of r2) Å2
<r2> 38.973
(<r2>)1/2 6.243