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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B2PLYP=FULL/6-31+G**

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=FULL/6-31+G**
 hartrees
Energy at 0K-148.654720
Energy at 298.15K-148.657081
HF Energy-148.494386
Nuclear repulsion energy59.779602
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=FULL/6-31+G**
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 3646 3467 25.49      
2 A 1273 1211 0.02      
3 A 898 854 8.30      
4 A 726 690 115.56      
5 A 529 503 0.16      
6 B 3645 3466 146.91      
7 B 2215 2106 640.82      
8 B 892 849 476.48      
9 B 523 497 77.95      

Unscaled Zero Point Vibrational Energy (zpe) 7172.8 cm-1
Scaled (by 0.951) Zero Point Vibrational Energy (zpe) 6821.4 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=FULL/6-31+G**
ABC
12.52026 0.34228 0.34216

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31+G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.030
N2 0.000 1.226 -0.084
N3 0.000 -1.226 -0.084
H4 0.617 1.780 0.497
H5 -0.617 -1.780 0.497

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.23131.23131.94061.9406
N21.23132.45211.01203.1230
N31.23132.45213.12301.0120
H41.94061.01203.12303.7674
H51.94063.12301.01203.7674

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.458 C1 N3 H5 119.458
N2 C1 N3 169.381
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability