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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: MP3=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 MP3=FULL/6-31G
 hartrees
Energy at 0K-148.124617
Energy at 298.15K-148.126916
HF Energy-147.811841
Nuclear repulsion energy59.386168
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/6-31G
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 10.79      
2 A 1285 1285 0.00      
3 A 865 865 11.52      
4 A 797 797 165.32      
5 A 498 498 0.90      
6 B 3666 3666 131.77      
7 B 2237 2237 576.40      
8 B 861 861 758.96      
9 B 462 462 60.76      

Unscaled Zero Point Vibrational Energy (zpe) 7167.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7167.8 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/6-31G
ABC
14.50582 0.33575 0.33571

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.048
N2 0.000 1.231 -0.083
N3 0.000 -1.231 -0.083
H4 0.579 1.879 0.436
H5 -0.579 -1.879 0.436

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.23761.23762.00402.0040
N21.23762.46141.01223.2052
N31.23762.46143.20521.0122
H42.00401.01223.20523.9320
H52.00403.20521.01223.9320

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 125.642 C1 N3 H5 125.642
N2 C1 N3 167.915
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability