Syntheses and x-ray structures of group 11 pyrazole and pyrazolate complexes. X-ray crystal structures of bis(3,5-diphenylpyrazole)copper(II) dibromide, tris(.mu.-3,5-diphenylpyrazolato-N,N')trisilver(I)-2-tetrahydrofuran, tris(.mu.-3,5-diphenylpyrazolato-N,N')trigold(I), and hexakis(.mu.-3,5-diphenylpyrazolato-N,N')hexagold(I)