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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: CID/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 CID/daug-cc-pVTZ
 hartrees
Energy at 0K-148.462406
Energy at 298.15K-148.464884
HF Energy-147.961862
Nuclear repulsion energy60.645112
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/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 3725 3725 30.78      
2 A 1331 1331 0.01      
3 A 972 972 12.01      
4 A 782 782 92.56      
5 A 567 567 0.04      
6 B 3721 3721 186.19      
7 B 2274 2274 861.00      
8 B 963 963 471.82      
9 B 569 569 94.73      

Unscaled Zero Point Vibrational Energy (zpe) 7452.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7452.1 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 CID/daug-cc-pVTZ
ABC
12.34581 0.35277 0.35274

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.007
N2 0.000 1.210 -0.077
N3 0.000 -1.210 -0.077
H4 0.624 1.723 0.518
H5 -0.624 -1.723 0.518

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21321.21321.90231.9023
N21.21322.42061.00303.0571
N31.21322.42063.05711.0030
H41.90231.00303.05713.6648
H51.90233.05711.00303.6648

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 117.957 C1 N3 H5 117.957
N2 C1 N3 172.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability