D-H...A

d (D-H)

d (H...A)

d (D...A)

<(DHA)

O(5)-H(2O)...O(2)#1

0.827(15)

1.983(15)

2.7989(17)

169(2)

O(5)-H(1O)...O(2)#2

0.819(15)

2.012(16)

2.8033(18)

162(2)

N(4)-H(4N)...O(4)#3

0.832(14)

2.037(15)

2.8562(17)

168.0(18)

N(2)-H(2N)...O(5)#4

0.837(14)

1.918(14)

2.7525(18)

175.3(18)