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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: MP3=FULL/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-148.575650
Energy at 298.15K-148.578107
HF Energy-147.964600
Nuclear repulsion energy60.461644
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/Def2TZVPP
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 3669 3669 27.98      
2 A 1309 1309 0.00      
3 A 962 962 7.97      
4 A 787 787 91.46      
5 A 551 551 0.03      
6 B 3666 3666 146.52      
7 B 2247 2247 734.71      
8 B 953 953 456.65      
9 B 555 555 91.63      

Unscaled Zero Point Vibrational Energy (zpe) 7349.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7349.2 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/Def2TZVPP
ABC
12.11162 0.35083 0.35083

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.009
N2 0.000 1.214 -0.078
N3 0.000 -1.214 -0.078
H4 0.629 1.720 0.521
H5 -0.629 -1.720 0.521

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.21741.21741.90181.9018
N21.21742.42841.00583.0603
N31.21742.42843.06031.0058
H41.90181.00583.06033.6630
H51.90183.06031.00583.6630

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 117.299 C1 N3 H5 117.299
N2 C1 N3 171.750
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability