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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: CCD/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 CCD/Def2TZVPP
 hartrees
Energy at 0K-148.514879
Energy at 298.15K-148.517328
HF Energy-147.964137
Nuclear repulsion energy60.297767
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 CCD/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 3647 3647 26.41      
2 A 1295 1295 0.00      
3 A 963 963 7.19      
4 A 787 787 90.92      
5 A 545 545 0.01      
6 B 3644 3644 140.62      
7 B 2237 2237 711.12      
8 B 955 955 454.38      
9 B 549 549 87.39      

Unscaled Zero Point Vibrational Energy (zpe) 7310.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7310.5 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 CCD/Def2TZVPP
ABC
11.99274 0.34902 0.34899

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.010
N2 0.000 1.218 -0.079
N3 0.000 -1.218 -0.079
H4 0.633 1.722 0.522
H5 -0.633 -1.722 0.522

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.22091.22091.90481.9048
N21.22092.43521.00853.0665
N31.22092.43523.06651.0085
H41.90481.00853.06653.6693
H51.90483.06651.00853.6693

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 117.073 C1 N3 H5 117.073
N2 C1 N3 171.606
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability