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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B97D3/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/cc-pVDZ
 hartrees
Energy at 0K-148.704619
Energy at 298.15K-148.706983
HF Energy-148.704619
Nuclear repulsion energy59.486940
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/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 3477 3447 17.90      
2 A 1246 1236 0.00      
3 A 947 939 5.58      
4 A 726 720 78.87      
5 A 507 503 0.18      
6 B 3478 3449 59.93      
7 B 2189 2170 444.77      
8 B 941 933 359.08      
9 B 511 506 55.23      

Unscaled Zero Point Vibrational Energy (zpe) 7011.4 cm-1
Scaled (by 0.9915) Zero Point Vibrational Energy (zpe) 6951.9 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/cc-pVDZ
ABC
11.48930 0.34037 0.34026

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.029
N2 0.000 1.232 -0.087
N3 0.000 -1.232 -0.087
H4 0.643 1.749 0.521
H5 -0.643 -1.749 0.521

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.23761.23761.92761.9276
N21.23762.46451.02453.1100
N31.23762.46453.11001.0245
H41.92761.02453.11003.7274
H51.92763.11001.02453.7274

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 116.571 C1 N3 H5 116.571
N2 C1 N3 169.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.116      
2 N -0.185      
3 N -0.185      
4 H 0.127      
5 H 0.127      


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 1.971 1.971
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.330 3.841 0.000
y 3.841 -15.928 0.000
z 0.000 0.000 -16.855
Traceless
 xyz
x 0.061 3.841 0.000
y 3.841 0.665 0.000
z 0.000 0.000 -0.726
Polar
3z2-r2-1.453
x2-y2-0.403
xy3.841
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.996 0.438 0.000
y 0.438 5.923 0.000
z 0.000 0.000 1.967


<r2> (average value of r2) Å2
<r2> 39.083
(<r2>)1/2 6.252