Donald E Parry

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Using MNDO calculations, ground state structures of 11 N-(hydroxymethyl)amides were predicted to have pyramidal nitrogens and an s-Z conformation. The results compare favourably with ab initio calculations and with X-ray data except that MNDO tends to predict twist angles around partial double bonds which are too large. A correlation was found between(More)
In January of 2013 the Transportation Security Administration (TSA) ordered the removal of x-ray security scanners from airports by June of 2013. Since that time several of these scanners have been purchased at a reduced cost by various state and county governments for use in screening individuals entering or leaving their facilities. To address this issue(More)
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