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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B2PLYP=FULLultrafine/daug-cc-pVDZ

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/daug-cc-pVDZ
 hartrees
Energy at 0K-148.673758
Energy at 298.15K 
HF Energy-148.510777
Nuclear repulsion energy59.674730
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/daug-cc-pVDZ
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 3597 3597 22.91      
2 A 1257 1257 0.01      
3 A 942 942 9.81      
4 A 725 725 86.04      
5 A 530 530 0.20      
6 B 3596 3596 137.70      
7 B 2188 2188 624.53      
8 B 938 938 433.18      
9 B 534 534 68.79      

Unscaled Zero Point Vibrational Energy (zpe) 7152.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7152.7 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/daug-cc-pVDZ
ABC
12.07746 0.34155 0.34141

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/daug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.024
N2 0.000 1.229 -0.084
N3 0.000 -1.229 -0.084
H4 0.627 1.762 0.513
H5 -0.627 -1.762 0.513

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.23381.23381.93281.9328
N21.23382.45821.01593.1135
N31.23382.45823.11351.0159
H41.93281.01593.11353.7399
H51.93283.11351.01593.7399

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 118.112 C1 N3 H5 118.112
N2 C1 N3 169.996
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability