modify your search
Results for DC.creator="A." AND DC.creator="J." AND DC.creator="C." AND DC.creator="Wilson" page 2 of 5 pages. |
Angle-dispersive diffractometer methods: conventional sources
International Tables for Crystallography (2006). Vol. C, Section 5.2.4, p. 495 [ doi:10.1107/97809553602060000596 ]
... the aberrations of the symmetrical diffractometer have been collected by Wilson (1961, 1963, 1965c, 1970a, 1974). For the Seemann-Bohlin type, they are collected in Table 5.2.4.1, mainly from Wilson (1974). They are expressed in inverse powers of the ... In the Seemann-Bohlin case, S will be constant at a value depending on the choice of angle , but usually ...
Extrapolation, graphical and analytical
International Tables for Crystallography (2006). Vol. C, Section 5.2.3.2, pp. 493-494 [ doi:10.1107/97809553602060000596 ]
... 5.2.3.2. Extrapolation, graphical and analytical Equation (5.2.1.4) indicates that for a given error in [theta] the fractional error in the spacing ... the simple cubic case, one can write where K is a proportionality factor and represents the angular variation of the systematic ... use of successive approximations it can be applied to hexagonal (Wilson & Lipson, 1941), tetragonal, and even orthorhombic materials. It is, ...
[more results from section 5.2.3 in volume C]
Statistical fluctuations
International Tables for Crystallography (2006). Vol. C, Section 5.2.2.3, pp. 492-493 [ doi:10.1107/97809553602060000596 ]
... papers relevant to the problem are Mack & Spielberg (1958), Pike & Wilson (1959), Thomsen & Yap (1968a, b), Wilson (1965a, b, c, 1967, 1968, 1969, 1971), Wilson, Thomsen & Yap (1965), and ...
[more results from section 5.2.2 in volume C]
Bragg angle: operational definitions
International Tables for Crystallography (2006). Vol. C, Section 5.2.1.4, pp. 491-492 [ doi:10.1107/97809553602060000596 ]
... definitions The Bragg angles are determined from the observations by a series of operations that are often quite complex. For film cameras of diameter 57.3 or 114.6mm, a simple measurement with a millimetre scale gives [theta] in degrees (1mm = 1 or ...
[more results from section 5.2.1 in volume C]
X-ray diffraction methods: polycrystalline
International Tables for Crystallography (2006). Vol. C, ch. 5.2, pp. 491-504 [ doi:10.1107/97809553602060000596 ]
... More details of systematic errors in diffractometry are given in Wilson (1963, 1965c, 1974). Some general points on checking precision ... the purposes of this chapter is angle-dispersive diffractometry with a conventional tube source (1). Angle-dispersive diffractometry with synchrotron ... high pressures, ) can be achieved most readily by means of a fixed-angle diffractometer. Camera methods (4) are adaptable to ...
A priori predictions of molecular crystal structures
International Tables for Crystallography (2006). Vol. C, Section 9.7.8, p. 906 [ doi:10.1107/97809553602060000623 ]
A priori predictions of molecular crystal structures 9.7.8. A priori predictions of molecular crystal structures As physical properties of a molecular compound are a function of the spatial arrangement ...
The hydrogen bond and the definition of the packing units
International Tables for Crystallography (2006). Vol. C, Section 9.7.7.2, p. 906 [ doi:10.1107/97809553602060000623 ]
... not necessarily identical with the individual molecule. The molecule (of a shape defined by chemical bonds on the inside and van ... two hydrogen bonds and two regular O-H bonds create a point symmetry at each O atom, and a highly symmetrical structure emerges with an infinite bond network, ...
[more results from section 9.7.7 in volume C]
A statistical model
International Tables for Crystallography (2006). Vol. C, Section 9.7.6, p. 904 [ doi:10.1107/97809553602060000623 ]
A statistical model 9.7.6. A statistical model Wilson (1988, 1990, 1991) has discussed the factors that, on ...
Structural classes
International Tables for Crystallography (2006). Vol. C, Section 9.7.5, p. 904 [ doi:10.1107/97809553602060000623 ]
... all molecules are the same. Nevertheless, they are important in a study of the space-group distribution of molecular organic structures ... by molecular symmetry. In its general form, the symbol of a structural class has the form where is the standard space ... those symmetries. An example will make this clearer. There is a structural class This indicates that the space group is ...
Positions with the full symmetry of the geometric class
International Tables for Crystallography (2006). Vol. C, Section 9.7.4.4, pp. 903-904 [ doi:10.1107/97809553602060000623 ]
... of the geometric class The symmorphic space groups are in a one-to-one correspondence with the arithmetic crystal classes, and ... I4 1 None P4/n 1 P42/n 3 I41/a 12 P21c 17 I2d 1 I41/acd 1 4/m ... molecules of these symmetries in space groups of higher symmetry. A few are in fact to be found in non- ...
[more results from section 9.7.4 in volume C]
International Tables for Crystallography (2006). Vol. C, Section 5.2.4, p. 495 [ doi:10.1107/97809553602060000596 ]
... the aberrations of the symmetrical diffractometer have been collected by Wilson (1961, 1963, 1965c, 1970a, 1974). For the Seemann-Bohlin type, they are collected in Table 5.2.4.1, mainly from Wilson (1974). They are expressed in inverse powers of the ... In the Seemann-Bohlin case, S will be constant at a value depending on the choice of angle , but usually ...
Extrapolation, graphical and analytical
International Tables for Crystallography (2006). Vol. C, Section 5.2.3.2, pp. 493-494 [ doi:10.1107/97809553602060000596 ]
... 5.2.3.2. Extrapolation, graphical and analytical Equation (5.2.1.4) indicates that for a given error in [theta] the fractional error in the spacing ... the simple cubic case, one can write where K is a proportionality factor and represents the angular variation of the systematic ... use of successive approximations it can be applied to hexagonal (Wilson & Lipson, 1941), tetragonal, and even orthorhombic materials. It is, ...
[more results from section 5.2.3 in volume C]
Statistical fluctuations
International Tables for Crystallography (2006). Vol. C, Section 5.2.2.3, pp. 492-493 [ doi:10.1107/97809553602060000596 ]
... papers relevant to the problem are Mack & Spielberg (1958), Pike & Wilson (1959), Thomsen & Yap (1968a, b), Wilson (1965a, b, c, 1967, 1968, 1969, 1971), Wilson, Thomsen & Yap (1965), and ...
[more results from section 5.2.2 in volume C]
Bragg angle: operational definitions
International Tables for Crystallography (2006). Vol. C, Section 5.2.1.4, pp. 491-492 [ doi:10.1107/97809553602060000596 ]
... definitions The Bragg angles are determined from the observations by a series of operations that are often quite complex. For film cameras of diameter 57.3 or 114.6mm, a simple measurement with a millimetre scale gives [theta] in degrees (1mm = 1 or ...
[more results from section 5.2.1 in volume C]
X-ray diffraction methods: polycrystalline
International Tables for Crystallography (2006). Vol. C, ch. 5.2, pp. 491-504 [ doi:10.1107/97809553602060000596 ]
... More details of systematic errors in diffractometry are given in Wilson (1963, 1965c, 1974). Some general points on checking precision ... the purposes of this chapter is angle-dispersive diffractometry with a conventional tube source (1). Angle-dispersive diffractometry with synchrotron ... high pressures, ) can be achieved most readily by means of a fixed-angle diffractometer. Camera methods (4) are adaptable to ...
A priori predictions of molecular crystal structures
International Tables for Crystallography (2006). Vol. C, Section 9.7.8, p. 906 [ doi:10.1107/97809553602060000623 ]
A priori predictions of molecular crystal structures 9.7.8. A priori predictions of molecular crystal structures As physical properties of a molecular compound are a function of the spatial arrangement ...
The hydrogen bond and the definition of the packing units
International Tables for Crystallography (2006). Vol. C, Section 9.7.7.2, p. 906 [ doi:10.1107/97809553602060000623 ]
... not necessarily identical with the individual molecule. The molecule (of a shape defined by chemical bonds on the inside and van ... two hydrogen bonds and two regular O-H bonds create a point symmetry at each O atom, and a highly symmetrical structure emerges with an infinite bond network, ...
[more results from section 9.7.7 in volume C]
A statistical model
International Tables for Crystallography (2006). Vol. C, Section 9.7.6, p. 904 [ doi:10.1107/97809553602060000623 ]
A statistical model 9.7.6. A statistical model Wilson (1988, 1990, 1991) has discussed the factors that, on ...
Structural classes
International Tables for Crystallography (2006). Vol. C, Section 9.7.5, p. 904 [ doi:10.1107/97809553602060000623 ]
... all molecules are the same. Nevertheless, they are important in a study of the space-group distribution of molecular organic structures ... by molecular symmetry. In its general form, the symbol of a structural class has the form where is the standard space ... those symmetries. An example will make this clearer. There is a structural class This indicates that the space group is ...
Positions with the full symmetry of the geometric class
International Tables for Crystallography (2006). Vol. C, Section 9.7.4.4, pp. 903-904 [ doi:10.1107/97809553602060000623 ]
... of the geometric class The symmorphic space groups are in a one-to-one correspondence with the arithmetic crystal classes, and ... I4 1 None P4/n 1 P42/n 3 I41/a 12 P21c 17 I2d 1 I41/acd 1 4/m ... molecules of these symmetries in space groups of higher symmetry. A few are in fact to be found in non- ...
[more results from section 9.7.4 in volume C]
Page: Previous 1 2 3 4 5 Next | powered by |