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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B97D3/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-148.720864
Energy at 298.15K-148.723232
HF Energy-148.720864
Nuclear repulsion energy59.543455
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/aug-cc-pVDZ
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 3508 3508 14.98      
2 A 1243 1243 0.04      
3 A 932 932 8.19      
4 A 706 706 81.16      
5 A 517 517 0.21      
6 B 3508 3508 89.27      
7 B 2166 2166 567.22      
8 B 929 929 383.76      
9 B 520 520 58.32      

Unscaled Zero Point Vibrational Energy (zpe) 7014.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7014.0 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/aug-cc-pVDZ
ABC
11.94067 0.34039 0.34016

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.030
N2 0.000 1.231 -0.086
N3 0.000 -1.231 -0.086
H4 0.627 1.768 0.512
H5 -0.627 -1.768 0.512

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.23631.23631.93711.9371
N21.23632.46171.01993.1218
N31.23632.46173.12181.0199
H41.93711.01993.12183.7524
H51.93713.12181.01993.7524

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 117.993 C1 N3 H5 117.993
N2 C1 N3 169.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.116      
2 N -0.061      
3 N -0.061      
4 H 0.002      
5 H 0.002      


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 1.917 1.917
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.093 4.028 0.000
y 4.028 -16.565 0.000
z 0.000 0.000 -17.598
Traceless
 xyz
x -0.012 4.028 0.000
y 4.028 0.780 0.000
z 0.000 0.000 -0.769
Polar
3z2-r2-1.538
x2-y2-0.528
xy4.028
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.211 0.280 0.000
y 0.280 7.094 0.000
z 0.000 0.000 3.187


<r2> (average value of r2) Å2
<r2> 39.555
(<r2>)1/2 6.289