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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B2PLYP=FULLultrafine/STO-3G

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=FULLultrafine/STO-3G
 hartrees
Energy at 0K-146.591293
Energy at 298.15K 
HF Energy-146.513162
Nuclear repulsion energy57.752124
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=FULLultrafine/STO-3G
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 3577 3577 0.07      
2 A 1208 1208 1.98      
3 A 1075 1075 0.83      
4 A 866 866 53.30      
5 A 468 468 0.42      
6 B 3590 3590 27.11      
7 B 2205 2205 111.85      
8 B 1029 1029 360.89      
9 B 472 472 43.21      

Unscaled Zero Point Vibrational Energy (zpe) 7245.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7245.1 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 B2PLYP=FULLultrafine/STO-3G
ABC
9.44293 0.32452 0.32379

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.080
N2 0.000 1.264 -0.110
N3 0.000 -1.264 -0.110
H4 0.688 1.765 0.529
H5 -0.688 -1.765 0.529

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.27771.27771.94641.9464
N21.27772.52721.06383.1703
N31.27772.52723.17031.0638
H41.94641.06383.17033.7880
H51.94643.17031.06383.7880

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 112.132 C1 N3 H5 112.132
N2 C1 N3 162.939
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability