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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: BLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/Def2TZVPP
 hartrees
Energy at 0K-148.818559
Energy at 298.15K-148.820914
HF Energy-148.818559
Nuclear repulsion energy59.749206
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 BLYP/Def2TZVPP
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 3487 3487 18.03      
2 A 1240 1240 0.01      
3 A 909 909 10.23      
4 A 698 698 87.97      
5 A 523 523 0.36      
6 B 3486 3486 95.13      
7 B 2151 2151 534.40      
8 B 906 906 415.18      
9 B 527 527 59.96      

Unscaled Zero Point Vibrational Energy (zpe) 6963.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6963.5 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 BLYP/Def2TZVPP
ABC
12.50645 0.34217 0.34209

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.026
N2 0.000 1.226 -0.083
N3 0.000 -1.226 -0.083
H4 0.619 1.786 0.500
H5 -0.619 -1.786 0.500

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.23041.23041.94881.9488
N21.23042.45111.01813.1294
N31.23042.45113.12941.0181
H41.94881.01813.12943.7810
H51.94883.12941.01813.7810

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.859 C1 N3 H5 119.859
N2 C1 N3 169.818
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.072      
2 N -0.212      
3 N -0.212      
4 H 0.176      
5 H 0.176      


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 1.951 1.951
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.100 4.054 0.000
y 4.054 -16.286 0.000
z 0.000 0.000 -17.621
Traceless
 xyz
x -0.146 4.054 0.000
y 4.054 1.074 0.000
z 0.000 0.000 -0.928
Polar
3z2-r2-1.856
x2-y2-0.813
xy4.054
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.700 0.313 0.000
y 0.313 6.716 0.000
z 0.000 0.000 2.679


<r2> (average value of r2) Å2
<r2> 39.393
(<r2>)1/2 6.276