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The crystal structure of the stable cubic modification of solid deuteroammonia has been determined by neutron diffraction. The space group is P213—T4, and at —196°C the positions of the atoms are 4N at (a) with u=0.2127±0.0021 and 12D at (b) with x=0.3740±0.0019, y=0.2632±0.0037, and z=0.1094±0.0016. Each nitrogen atom is hydrogen bonded to the six nearest neighbor nitrogen atoms. There is one deuterium atom per site, in contrast to the ``half-hydrogen'' structure of ice. The N—D bond length of 1.005±0.023 A is indistinguishable from that of the free molecule, while the D—N—D bond angle of 110.4°±2.0° is appreciably larger than the free molecule value.

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Purpose – The purpose of this study is to evaluate how social capital is developed in a third sector organisation based in the north-west of England, a small food cooperative run by volunteers. Social capital comprises the bonds, bridges and linkages that hold together societal members, and it can be considered to be a precursor of economic capital. Design/methodology/approach – Qualitative data were collected through interviews with key informants, observations and documents. Data were analysed using either a template or a thematic analysis to identify aspects of social capital development. Findings – A model of the interactions between and within the three main stakeholder groups involved in the cooperative is presented. This model shows how these interactions can develop social capital, and it discusses how potential deficits in social capital can occur. Research limitations/implications – The findings have practical and theoretical implications, in that they may better equip third-sector organisations to understand how social capital is developed. Originality/value – This is one of few practical studies of social capital development in a social enterprise and provides valuable insights into the processes by which this is done.