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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B3LYP/daug-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 B3LYP/daug-cc-pVTZ
 hartrees
Energy at 0K-148.849986
Energy at 298.15K-148.852386
HF Energy-148.849986
Nuclear repulsion energy60.286617
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 B3LYP/daug-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 3593 3593 23.62      
2 A 1288 1288 0.00      
3 A 920 920 13.87      
4 A 716 716 89.42      
5 A 545 545 0.43      
6 B 3590 3590 147.19      
7 B 2215 2215 701.34      
8 B 918 918 442.68      
9 B 549 549 72.26      

Unscaled Zero Point Vibrational Energy (zpe) 7167.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7167.1 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 B3LYP/daug-cc-pVTZ
ABC
12.79224 0.34819 0.34817

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/daug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.018
N2 0.000 1.215 -0.079
N3 0.000 -1.215 -0.079
H4 0.614 1.770 0.500
H5 -0.614 -1.770 0.500

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21891.21891.93441.9344
N21.21892.42991.01013.1019
N31.21892.42993.10191.0101
H41.93441.01013.10193.7467
H51.93443.10191.01013.7467

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 120.121 C1 N3 H5 120.121
N2 C1 N3 170.838
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.107      
2 N -0.556      
3 N -0.556      
4 H 0.503      
5 H 0.503      


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 1.944 1.944
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -17.143 4.090 0.000
y 4.090 -16.480 0.000
z 0.000 0.000 -17.647
Traceless
 xyz
x -0.079 4.090 0.000
y 4.090 0.915 0.000
z 0.000 0.000 -0.836
Polar
3z2-r2-1.671
x2-y2-0.663
xy4.090
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.189 0.245 0.000
y 0.245 6.892 0.000
z 0.000 0.000 3.163


<r2> (average value of r2) Å2
<r2> 38.949
(<r2>)1/2 6.241