Data Set B (Low-angle data)
Lattice Type (Symmetry constraint on cell parameters) Triclinic Monoclinic (y-axis unique) Orthorhombic Tetragonal Trigonal/Hexagonal Rhombohedral Cubic Monoclinic (x-axis unique) Monoclinic (z-axis unique)
Initial Cell Parameters (Å and °)
Wavelength (Å) λ = Refine value? No Yes
Zero Error (°) (Obs = Calc + Zero) 2θzero = Refine value? No Yes
Diffraction Data (Note that the 2θ error is an optional value which defaults here to 0.002°)