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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: CID/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 CID/Def2TZVPP
 hartrees
Energy at 0K-148.456620
Energy at 298.15K-148.459101
HF Energy-147.965089
Nuclear repulsion energy60.679229
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 CID/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 3736 3736 32.45      
2 A 1334 1334 0.03      
3 A 972 972 10.95      
4 A 787 787 97.99      
5 A 565 565 0.01      
6 B 3732 3732 175.85      
7 B 2285 2285 814.34      
8 B 963 963 466.98      
9 B 569 569 100.40      

Unscaled Zero Point Vibrational Energy (zpe) 7471.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7471.8 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 CID/Def2TZVPP
ABC
12.32711 0.35317 0.35312

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.005
N2 0.000 1.210 -0.076
N3 0.000 -1.210 -0.076
H4 0.626 1.719 0.519
H5 -0.626 -1.719 0.519

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21261.21261.89971.8997
N21.21262.41981.00213.0532
N31.21262.41983.05321.0021
H41.89971.00213.05323.6581
H51.89973.05321.00213.6581

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 117.824 C1 N3 H5 117.824
N2 C1 N3 172.291
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability