title: Five-coordinate gold(III) complexes of the Kläui ligands [(η⁵-C₅H₅)Co{P(O)(OR)₂}₃]− (R°=°Me, Et)

authors: Kilpin, Kelly Joan

subjects: gold complexes

abstract: The reactions of cycloaurated gold(III) dichloride complexes [LAuCl₂] (L°=°2-C₆H₄CH₂NMe₂ or 2-C₆H₄PPh₂ NPh) with monoanionic tripodal oxygen donor Kläui ligands [(η⁵-C₅H₅)Co{P(O)(OR) ₂}₃]− (R°=°Me or Et) results in the formation of cationic gold(III) salts [LAu{OP(OR) ₂}₃Co(η⁵-C₅H₅)]+. An X-ray structure determination on [(2-C₆H₄PPh₂ NPh)Au{OP(OR) ₂}₃Co(η⁵-C₅H₅)]BF₄shows that the Kläui ligand coordinates strongly to the gold through two oxygen atoms, and weakly through the third, giving the gold(III) a distorted square pyramidal geometry. This is the first structurally characterised example of this geometry for gold(III) with ligands other than those containing rigid bipyridine or phenanthroline backbones. In solution at room temperature there is rapid interchange (on the NMR timescale) between the oxygen atoms of the Kläui ligands, which is frozen out on cooling.

text: Five-coordinate gold(III) complexes of the Kläui ligands [(η⁵-C₅H₅)Co{P(O)(OR)₂}₃]− (R°=°Me, Et) The reactions of cycloaurated gold(III) dichloride complexes [LAuCl₂] (L°=°2-C₆H₄CH₂NMe₂ or 2-C₆H₄PPh₂ NPh) with monoanionic tripodal oxygen donor Kläui ligands [(η⁵-C₅H₅)Co{P(O)(OR) ₂}₃]− (R°=°Me or Et) results in the formation of cationic gold(III) salts [LAu{OP(OR) ₂}₃Co(η⁵-C₅H₅)]+. An X-ray structure determination on [(2-C₆H₄PPh₂ NPh)Au{OP(OR) ₂}₃Co(η⁵-C₅H₅)]BF₄shows that the Kläui ligand coordinates strongly to the gold through two oxygen atoms, and weakly through the third, giving the gold(III) a distorted square pyramidal geometry. This is the first structurally characterised example of this geometry for gold(III) with ligands other than those containing rigid bipyridine or phenanthroline backbones. In solution at room temperature there is rapid interchange (on the NMR timescale) between the oxygen atoms of the Kläui ligands, which is frozen out on cooling.

year: 2009

title: Strategic liberalism and Kiwi maximalism

authors: Steff, Reuben

abstract: In recent decades a new international structure has emerged, dramatically increasing the incentives for co-operation. New Zealand should capitalise on this by adopting a new foreign policy paradigm. It should consider a new approach — strategic liberalism — as the foundational underpinning of New Zealand’s foreign policy. Bonded to ‘Kiwi maximalism’, it would provide a wellspring for visionary objectives that New Zealand could adopt. It might aim to transcend major regional security issues through a reinvigorated push for disarmament across the Asia–Pacific region and by acting as a catalyst for improved United States–China relations.

text: Strategic liberalism and Kiwi maximalism In recent decades a new international structure has emerged, dramatically increasing the incentives for co-operation. New Zealand should capitalise on this by adopting a new foreign policy paradigm. It should consider a new approach — strategic liberalism — as the foundational underpinning of New Zealand’s foreign policy. Bonded to ‘Kiwi maximalism’, it would provide a wellspring for visionary objectives that New Zealand could adopt. It might aim to transcend major regional security issues through a reinvigorated push for disarmament across the Asia–Pacific region and by acting as a catalyst for improved United States–China relations.

year: 2016

title: William Nicholls, Hera Te Whakaawa, and their children

authors: Hart, Philip

abstract: Two years after arriving in New Zealand in 1840, William Nicholls married Hera Te Whakaawa, who had an illustrious whakapapa. For the rest of his life he lived as a Pakeha Maori, trading and farming on land owned by his wife. Like other Pakeha, he was excited by the discoveries of gold, and was involved in a minor way with the Coromandel and Thames goldfields and at Te Aroha, near where he was living, where he and one of his sons did some prospecting. The penultimate Pakeha Maori to die in the Te Aroha district, he was a well-respected member of the community.
Nicholls ensured that his children were well educated, and in most cases they did well in Pakeha society and made ‘good’ marriages: the daughters to Pakeha and the sons to Maori. The lives of three of his children are summarized; the others are dealt with in other papers.

text: William Nicholls, Hera Te Whakaawa, and their children Two years after arriving in New Zealand in 1840, William Nicholls married Hera Te Whakaawa, who had an illustrious whakapapa. For the rest of his life he lived as a Pakeha Maori, trading and farming on land owned by his wife. Like other Pakeha, he was excited by the discoveries of gold, and was involved in a minor way with the Coromandel and Thames goldfields and at Te Aroha, near where he was living, where he and one of his sons did some prospecting. The penultimate Pakeha Maori to die in the Te Aroha district, he was a well-respected member of the community.
Nicholls ensured that his children were well educated, and in most cases they did well in Pakeha society and made ‘good’ marriages: the daughters to Pakeha and the sons to Maori. The lives of three of his children are summarized; the others are dealt with in other papers.

year: 2016