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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B3LYPultrafine/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 B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-148.845968
Energy at 298.15K-148.848382
HF Energy-148.845968
Nuclear repulsion energy60.287923
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 B3LYPultrafine/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 3591 3472 23.51      
2 A 1288 1245 0.00      
3 A 927 896 12.66      
4 A 725 701 92.15      
5 A 544 526 0.26      
6 B 3589 3469 124.38      
7 B 2229 2154 622.12      
8 B 925 895 439.98      
9 B 546 528 73.87      

Unscaled Zero Point Vibrational Energy (zpe) 7181.9 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 6942.7 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 B3LYPultrafine/cc-pVTZ
ABC
12.63177 0.34835 0.34834

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.016
N2 0.000 1.215 -0.079
N3 0.000 -1.215 -0.079
H4 0.618 1.761 0.505
H5 -0.618 -1.761 0.505

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21911.21911.92971.9297
N21.21912.43081.01043.0958
N31.21912.43083.09581.0104
H41.92971.01043.09583.7333
H51.92973.09581.01043.7333

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.599 C1 N3 H5 119.599
N2 C1 N3 171.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.150      
2 N -0.256      
3 N -0.256      
4 H 0.181      
5 H 0.181      


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 2.007 2.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.803 4.052 0.000
y 4.052 -16.236 0.000
z 0.000 0.000 -17.308
Traceless
 xyz
x -0.031 4.052 0.000
y 4.052 0.820 0.000
z 0.000 0.000 -0.789
Polar
3z2-r2-1.577
x2-y2-0.568
xy4.052
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.486 0.315 0.000
y 0.315 6.220 0.000
z 0.000 0.000 2.458


<r2> (average value of r2) Å2
<r2> 38.730
(<r2>)1/2 6.223