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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: M06-2X/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at M06-2X/6-31G*
 hartrees
Energy at 0K-148.711191
Energy at 298.15K-148.713581
HF Energy-148.711191
Nuclear repulsion energy60.061957
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 M06-2X/6-31G*
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 3618 3426 27.65      
2 A 1321 1251 0.21      
3 A 923 874 9.90      
4 A 770 729 114.56      
5 A 529 501 0.07      
6 B 3616 3424 130.79      
7 B 2280 2159 648.41      
8 B 923 874 467.51      
9 B 530 502 87.42      

Unscaled Zero Point Vibrational Energy (zpe) 7254.1 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 6869.7 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 M06-2X/6-31G*
ABC
12.17675 0.34619 0.34607

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.014
N2 0.000 1.221 -0.079
N3 0.000 -1.221 -0.079
H4 0.632 1.749 0.513
H5 -0.632 -1.749 0.513

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.22441.22441.92551.9255
N21.22442.44161.01463.0936
N31.22442.44163.09361.0146
H41.92551.01463.09363.7195
H51.92553.09361.01463.7195

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.335 C1 N3 H5 118.335
N2 C1 N3 171.263
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.617      
2 N -0.673      
3 N -0.673      
4 H 0.365      
5 H 0.365      


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 2.286 2.286
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.484 4.429 0.000
y 4.429 -16.272 0.000
z 0.000 0.000 -17.068
Traceless
 xyz
x 0.186 4.429 0.000
y 4.429 0.504 0.000
z 0.000 0.000 -0.690
Polar
3z2-r2-1.380
x2-y2-0.212
xy4.429
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.803 0.390 0.000
y 0.390 5.900 0.000
z 0.000 0.000 1.764


<r2> (average value of r2) Å2
<r2> 38.771
(<r2>)1/2 6.227