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All results from a given calculation for HNCNH (diiminomethane)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-311G*
 hartrees
Energy at 0K-148.691160
Energy at 298.15K-148.693568
HF Energy-148.516975
Nuclear repulsion energy60.046631
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/6-311G*
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 3625 3625 19.18      
2 A 1270 1270 0.01      
3 A 942 942 10.99      
4 A 745 745 114.49      
5 A 537 537 0.39      
6 B 3625 3625 95.21      
7 B 2229 2229 534.74      
8 B 939 939 495.35      
9 B 540 540 79.91      

Unscaled Zero Point Vibrational Energy (zpe) 7225.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 7225.6 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/6-311G*
ABC
12.61522 0.34536 0.34529

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.021
N2 0.000 1.221 -0.080
N3 0.000 -1.221 -0.080
H4 0.621 1.769 0.498
H5 -0.621 -1.769 0.498

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.22501.22501.93481.9348
N21.22502.44151.01043.1082
N31.22502.44153.10821.0104
H41.93481.01043.10823.7501
H51.93483.10821.01043.7501

picture of diiminomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H4 119.576 C1 N3 H5 119.576
N2 C1 N3 170.475
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability