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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-148.736375
Energy at 298.15K-148.738741
HF Energy-148.736375
Nuclear repulsion energy59.874718
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 B97D3/6-311G**
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 3527 3477 20.01      
2 A 1251 1233 0.00      
3 A 918 905 7.20      
4 A 711 701 94.79      
5 A 522 514 0.17      
6 B 3528 3477 79.15      
7 B 2197 2166 495.86      
8 B 917 904 401.30      
9 B 524 516 64.77      

Unscaled Zero Point Vibrational Energy (zpe) 7047.2 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 6946.5 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 B97D3/6-311G**
ABC
12.20939 0.34392 0.34389

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.025
N2 0.000 1.224 -0.083
N3 0.000 -1.224 -0.083
H4 0.627 1.764 0.506
H5 -0.627 -1.764 0.506

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.22871.22871.93261.9326
N21.22872.44791.01563.1089
N31.22872.44793.10891.0156
H41.93261.01563.10893.7435
H51.93263.10891.01563.7435

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.575 C1 N3 H5 118.575
N2 C1 N3 169.916
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.388      
2 N -0.418      
3 N -0.418      
4 H 0.224      
5 H 0.224      


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 2.072 2.072
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.531 4.121 0.000
y 4.121 -16.060 0.000
z 0.000 0.000 -17.087
Traceless
 xyz
x 0.043 4.121 0.000
y 4.121 0.749 0.000
z 0.000 0.000 -0.792
Polar
3z2-r2-1.583
x2-y2-0.471
xy4.121
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.082 0.358 0.000
y 0.358 6.103 0.000
z 0.000 0.000 2.061


<r2> (average value of r2) Å2
<r2> 38.934
(<r2>)1/2 6.240