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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B2PLYP=FULL/6-31G**

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=FULL/6-31G**
 hartrees
Energy at 0K-148.644538
Energy at 298.15K-148.646913
HF Energy-148.486517
Nuclear repulsion energy59.823189
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=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3644 3644 22.08      
2 A 1278 1278 0.01      
3 A 933 933 10.13      
4 A 743 743 104.06      
5 A 519 519 0.03      
6 B 3644 3644 102.70      
7 B 2240 2240 495.95      
8 B 927 927 463.20      
9 B 522 522 73.74      

Unscaled Zero Point Vibrational Energy (zpe) 7225.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7225.4 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=FULL/6-31G**
ABC
12.28979 0.34293 0.34291

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.024
N2 0.000 1.226 -0.082
N3 0.000 -1.226 -0.082
H4 0.626 1.763 0.504
H5 -0.626 -1.763 0.504

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.23081.23081.93131.9313
N21.23082.45231.01193.1096
N31.23082.45233.10961.0119
H41.93131.01193.10963.7415
H51.93133.10961.01193.7415

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.568 C1 N3 H5 118.568
N2 C1 N3 170.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability