Guidelines for storing data in compressed npz file
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The keys in the first column have been used to denote stored properties in the second column.
If the properties are evaluated at the position of nuclei, nuc_ prefix is added to the keys.

nums   		Atomic numbers
coords  	Atomic coordinates
points		Grid points coordinate
orb_{xx}	Orbital expression of orbital {xx}
dens	    	Density
dens_t{x}	Dennsity at {x} temperature
dens_state_t{x}	Dennsity of state at {x} temperature
grad		Gradient
grad_norm	Gradient norm
lap		Lapalcian
hess	 	Hessian
hess_eigval	Hessian eigenvalues
ked_pd	 	Kinetic energy density positive definite (Lagrangian kinetic energy)
ked_ham		Hamiltonian kinetic energy
ked_tf		Thomas-Fermi kinetic energy density
ked_w		Weizsacker kinetic energy density
elf	 	Electron localization function
lol	 	Localized orbital locator
lie	 	Local information entropy
rdg		Reduced density gradient
alie		Average local ionization energy
esp		Total ESP
smu_t{x}	Spin chemical potential at temperature {x}
ellipticity	Ellipticity
nna_coords	Cartesian coordinates of (non-)nuclear attractors
bcp_coords	Cartesian coordinates of bond critical points
rcp_coords	Cartesian coordinates of ring critical points
ccp_coords	Cartesian coordinates of cage critical points
