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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: MP3=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP3=FULL/6-311G*
 hartrees
Energy at 0K-148.453498
Energy at 298.15K-148.455948
HF Energy-147.929066
Nuclear repulsion energy60.205527
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 MP3=FULL/6-311G*
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 3664 3664 18.92      
2 A 1302 1302 0.02      
3 A 977 977 6.81      
4 A 817 817 112.53      
5 A 537 537 0.05      
6 B 3662 3662 94.05      
7 B 2263 2263 639.85      
8 B 975 975 505.51      
9 B 539 539 89.46      

Unscaled Zero Point Vibrational Energy (zpe) 7367.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7367.6 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 MP3=FULL/6-311G*
ABC
12.08507 0.34780 0.34772

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.011
N2 0.000 1.219 -0.079
N3 0.000 -1.219 -0.079
H4 0.633 1.731 0.518
H5 -0.633 -1.731 0.518

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.22261.22261.91161.9116
N21.22262.43851.00943.0759
N31.22262.43853.07591.0094
H41.91161.00943.07593.6862
H51.91163.07591.00943.6862

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 117.526 C1 N3 H5 117.526
N2 C1 N3 171.559
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability