Table **.  Hydrogen bonds [A and deg.] for 1
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 D-H...A                      d(D-H)      d(H...A)    d(D...A)  angle(DHA) 
  
O1-H1...N1                    0.87(2)     1.87(3)     2.565(2)    170(1) 
C4-H4...O1                    0.97(2)     2.07(3)     2.785(2)    150(1) 
C8-H8...O2(-x,-y,-z)          0.98(2)     2.08(3)     2.788(2)    155(1) 
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Other non-bonding Interactions

O1--O4   2.999(2)
C1--C7   3.444(3)