Communication patterns in hostage negotiations

McClain, Bryan U.

doi:10.31979/etd.ux6u-375g

Cited by 4 publications

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“…One of the salts he isolated was (+)-tris(ethylenediamine)cobalt(III) chloride (+)tartrate pentahydrate. We first became interested in this material when it was the subject of an experiment devised by McClain (1972) for the elementary chemistry laboratory course at Berkeley. We determined the crystal structure because lack of knowledge of it was an embarrassment in explanations to students.…”

mentioning

confidence: 99%

Anomalous scattering by cobalt and chlorine and crystal structure of (+)-tris(ethylenediamine)cobalt(III) chloride (+)-tartrate pentahydrate

Templeton¹,

Zalkin²,

Ruben³

et al. 1979

Acta Crystallogr Sect B

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Crystals of [Co(C2H8Nz) Werner (1912) demonstrated the optical activity and octahedral nature of complexes of cobalt and ethylenediamine by using the crystallization of (+)-tartrate salts to separate the enantiomers. One of the salts he isolated was (+)-tris(ethylenediamine)cobalt(III) chloride (+)-tartrate pentahydrate. We first became interested in this material when it was the subject of an experiment devised by McClain (1972) for the elementary chemistry laboratory course at Berkeley. We determined the crystal structure because lack of knowledge of it was an embarrassment in explanations to students. Later we realized that this salt is suitable for measuring anomalous-scattering effects of cobalt and chlorine by a method described by Templeton & Templeton (1978).In this paper we report the crystal structure and some measurements of scattering of Mo Ka and Cu Ka radiation. This study provides a foundation for some similar experiments with synchrotron radiation near the Co K absorption edge which will be described elsewhere. mm -1) was made using the program HORSE (Hamilton, 1969) that approximates the crystal as an array of points (480 in this case). The extreme correction factors were 1.15 and 1.22. Before the final refinement each structure factor was multiplied by 1.0 + 1.8 x 10-7/, an empirical correction for extinction which was 1.18 for the strongest reflection, i 11, I is the uncorrected observed intensity. For 188 reflections the intensity was less than a estimated from counting statistics, and these were given zero weight in the structure refinement. The remaining 7688 reflections, including both members of each Bijvoet pair, were assigned weights w = [a(F)]-2; o(F) was derived from cr(F 2) = [S 2 + (jgF2)2] 1/2, where S 2 is the variance due to counting statistics and p = 0.03. ExperimentalAnother crystal, 0.102 x 0.084 x 0.110 mm, was used to measure diffraction intensities with CuKa radiation. The technique was similar except that scan widths were 1.5 °, plus al-a 2 splitting, the scan speed was 2 ° min -1, and backgrounds were measured at each end of the scan. Measurements of 3434 reflections, including both members of each Bijvoet pair, yielded

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confidence: 99%

Anomalous scattering by cobalt and chlorine and crystal structure of (+)-tris(ethylenediamine)cobalt(III) chloride (+)-tartrate pentahydrate

Templeton¹,

Zalkin²,

Ruben³

et al. 1979

Acta Crystallogr Sect B

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“…Overall estimates of plant construction costs for the Mt. Adams site in Skamania County range from $2,700 -$3100 per net kW (McClain 1990;Yueh 1990), on the assumption that the plant w i l d consist of four 25 MWa modular units to achieve the overall 100 MWa goal. These cost estimates are consistent with prior studies that have shown a range of costs from between $1,550 to $3,778 per net kilowatt for recently built plants (Bloomquist, Geyer, and Sifford 1989;OESI 1991).…”

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“…The costs for more remote plants, or those which are more efficient, will likely fall in the higher end of the range. Due to the relative remoteness of the site considered in this study, as well as the existing uncertainty about the quality of .the steam field, it was assumed that well field development costs would be about $1,1OO/kW, while actual plant construction costs would be about $1,7oO/kW (McClain 1990). Pollution control costs for geothermal plants should be similar to other types of power plants.…”

Section: Iila Construction Cost Estimatesmentioning

confidence: 99%

Geothermal : Economic Impacts of Geothermal Development in Skamania County, Washington.

Lesser¹

1992

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“…Overall estimates of plant conspuction costs for the Mt. Baker site in Whatcom County range from $2,700 -$3100 per net kW (McClain 1990;Yueh 1990), on the assumption that the plant would consist of four 25 MWa modular units to achieve the overall 100 MWa goal. These cost estimates are consistent with prior studies that have shown a range of costs from between $1,550 to $3,778 per net kilowatt for recently built plants (Bloomquist, Geyer, and Sifford 1989;OESI 1991).…”

Section: Ii1a Construction Cost Estimatesmentioning

confidence: 99%

Geothermal : Economic Impacts of Geothermal Development in Whatcom County, Washington.

Lesser¹

1992

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Communication patterns in hostage negotiations

Cited by 4 publications

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Anomalous scattering by cobalt and chlorine and crystal structure of (+)-tris(ethylenediamine)cobalt(III) chloride (+)-tartrate pentahydrate

Anomalous scattering by cobalt and chlorine and crystal structure of (+)-tris(ethylenediamine)cobalt(III) chloride (+)-tartrate pentahydrate

Geothermal : Economic Impacts of Geothermal Development in Skamania County, Washington.

Geothermal : Economic Impacts of Geothermal Development in Whatcom County, Washington.

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