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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B3LYPultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYPultrafine/TZVP
 hartrees
Energy at 0K-148.841075
Energy at 298.15K-148.843447
HF Energy-148.841075
Nuclear repulsion energy60.272673
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 B3LYPultrafine/TZVP
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 3601 3469 25.21      
2 A 1296 1249 0.03      
3 A 870 838 11.57      
4 A 713 687 118.17      
5 A 539 519 0.43      
6 B 3598 3467 146.35      
7 B 2238 2156 669.80      
8 B 871 839 455.93      
9 B 541 521 87.99      

Unscaled Zero Point Vibrational Energy (zpe) 7133.6 cm-1
Scaled (by 0.9634) Zero Point Vibrational Energy (zpe) 6872.5 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 B3LYPultrafine/TZVP
ABC
13.06251 0.34776 0.34769

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/TZVP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.017
N2 0.000 1.215 -0.078
N3 0.000 -1.215 -0.078
H4 0.611 1.782 0.493
H5 -0.611 -1.782 0.493

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21851.21851.94321.9432
N21.21852.42961.01063.1115
N31.21852.42963.11151.0106
H41.94321.01063.11153.7681
H51.94323.11151.01063.7681

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 121.048 C1 N3 H5 121.048
N2 C1 N3 171.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.265      
2 N -0.367      
3 N -0.367      
4 H 0.235      
5 H 0.235      


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 2.218 2.218
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.996 4.471 0.000
y 4.471 -16.461 0.000
z 0.000 0.000 -17.567
Traceless
 xyz
x 0.018 4.471 0.000
y 4.471 0.821 0.000
z 0.000 0.000 -0.839
Polar
3z2-r2-1.677
x2-y2-0.535
xy4.471
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.275 0.261 0.000
y 0.261 6.530 0.000
z 0.000 0.000 2.249


<r2> (average value of r2) Å2
<r2> 38.955
(<r2>)1/2 6.241