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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: CCD/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 CCD/6-311G**
 hartrees
Energy at 0K-148.417244
Energy at 298.15K-148.419675
HF Energy-147.937222
Nuclear repulsion energy60.065438
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/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 3633 3469 22.23      
2 A 1283 1225 0.01      
3 A 969 926 2.75      
4 A 815 778 92.45      
5 A 524 500 0.04      
6 B 3632 3469 94.67      
7 B 2240 2139 607.50      
8 B 962 919 429.95      
9 B 525 501 83.16      

Unscaled Zero Point Vibrational Energy (zpe) 7290.7 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 6963.3 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/6-311G**
ABC
11.45911 0.34693 0.34689

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.010
N2 0.000 1.223 -0.081
N3 0.000 -1.223 -0.081
H4 0.647 1.702 0.535
H5 -0.647 -1.702 0.535

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.22661.22661.89541.8954
N21.22662.44661.01333.0589
N31.22662.44663.05891.0133
H41.89541.01333.05893.6422
H51.89543.05891.01333.6422

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 115.274 C1 N3 H5 115.274
N2 C1 N3 171.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability