What is the "molecular and structural" formula of "Nitroprusside"

Nitroprusside is  Pentacyanonitrosylferrate(2-) ion ([Fe(H₂O)₅(NO)]⁺² ) and its famous salt is Disodium pentacyanonitrosylferrate(2-) dihydrate, (Na₂[Fe(H₂O)₅(NO)] ) . It is a hypotensive agent whose structural formula is given as:

 

Related Questions:

(1) What is the "molecular and structural" formula of "Nitroprusside"

(2) What is the common formula of “Prussian blue is” and “Turn bull's blue”?  

(3) What is denticity of NO and NO+ ligands ?

(4)  Although both [Mn(H2O)6]2+ and [FeF6]3- have a d5 configuration and high-spin complexes. But the dilute solutions of Mn2+ and Fe +3 complexes are therefore colorless. Why?

(5) Which of the Complex of the following pairs has the highest value of CFSE?

(6) Colour of Complexes due to charge transfer:

(7) Why violet colour of [Ti(H2O)6]Cl3 disapear (colourless) on heating heating ? 

(8) Why [Ni(CN)4]-2 is colourless while [Ni(H2O)4]-2 although both have +2 oxidation state and 3d*8 configuration ?

(9) Why [FeF6]3– is colourless whereas [CoF6]3– is coloured ? 

(10) Why Fe(CO)5 is colourless while Fe(bipy)(CO)3 is intensely purple in colour ?

(11) Why all the tetrahedral Complexes are high spin Complexes ?