( ( ( Bonding description ) ( justified ( through ( ( ( ( an analysis ) ( of ( the structures ) ) ) and ) ( ( physical properties ) ( of ( the metal ) ) ) ) ) ) ) ( carbonyls . ) )
(ROOT (S (NP (NP (VBG Bonding) (NN description)) (VP (VBN justified) (PP (IN through) (NP (NP (NP (DT an) (NN analysis)) (PP (IN of) (NP (DT the) (NNS structures)))) (CC and) (NP (NP (JJ physical) (NNS properties)) (PP (IN of) (NP (DT the) (NN metal)))))))) (VP (VBZ carbonyls)) (. .)))
Bonding description justified through an analysis of the structures and physical properties of the metal carbonyls.
(ROOT (S (NP (DT The) (JJ metallic) (NN bond)) (VP (VBZ is) (ADJP (JJ responsible) (PP (IN for) (NP (NP (DT the) (NNS properties)) (PP (IN of) (NP (NNS metals))))))) (. .)))