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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B2PLYP=FULLultrafine/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B2PLYP=FULLultrafine/Def2TZVPP
 hartrees
Energy at 0K-148.750322
Energy at 298.15K 
HF Energy-148.550410
Nuclear repulsion energy60.194361
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 B2PLYP=FULLultrafine/Def2TZVPP
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 3622 3622 26.89      
2 A 1273 1273 0.00      
3 A 923 923 11.19      
4 A 720 720 94.67      
5 A 542 542 0.35      
6 B 3620 3620 146.83      
7 B 2214 2214 606.27      
8 B 916 916 453.43      
9 B 547 547 79.90      

Unscaled Zero Point Vibrational Energy (zpe) 7188.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7188.2 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 B2PLYP=FULLultrafine/Def2TZVPP
ABC
12.64610 0.34708 0.34706

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.019
N2 0.000 1.218 -0.080
N3 0.000 -1.218 -0.080
H4 0.617 1.764 0.502
H5 -0.617 -1.764 0.502

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.22181.22181.92981.9298
N21.22182.43561.00863.0998
N31.22182.43563.09981.0086
H41.92981.00863.09983.7370
H51.92983.09981.00863.7370

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.508 C1 N3 H5 119.508
N2 C1 N3 170.668
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability