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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B97D3/aug-cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-148.756827
Energy at 298.15K-148.759201
HF Energy-148.756827
Nuclear repulsion energy59.971091
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-pVTZ
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 3531 3477 18.17      
2 A 1252 1233 0.03      
3 A 916 902 10.69      
4 A 698 687 83.18      
5 A 529 521 0.37      
6 B 3530 3476 106.51      
7 B 2177 2143 591.25      
8 B 912 898 406.55      
9 B 533 524 62.55      

Unscaled Zero Point Vibrational Energy (zpe) 7037.7 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 6930.0 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-pVTZ
ABC
12.49175 0.34482 0.34469

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.027
N2 0.000 1.221 -0.083
N3 0.000 -1.221 -0.083
H4 0.617 1.774 0.501
H5 -0.617 -1.774 0.501

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.22631.22631.93701.9370
N21.22632.44281.01353.1133
N31.22632.44283.11331.0135
H41.93701.01353.11333.7561
H51.93703.11331.01353.7561

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.418 C1 N3 H5 119.418
N2 C1 N3 169.740
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.156      
2 N -0.202      
3 N -0.202      
4 H 0.124      
5 H 0.124      


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 1.884 1.884
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.041 3.997 0.000
y 3.997 -16.267 0.000
z 0.000 0.000 -17.537
Traceless
 xyz
x -0.139 3.997 0.000
y 3.997 1.022 0.000
z 0.000 0.000 -0.883
Polar
3z2-r2-1.766
x2-y2-0.774
xy3.997
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.246 0.259 0.000
y 0.259 7.029 0.000
z 0.000 0.000 3.219


<r2> (average value of r2) Å2
<r2> 39.127
(<r2>)1/2 6.255