Nucleic Acid Standards
Nitrogenous Bases
Bond Lengths and Angles in Protonated Adenine
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Bond or Angle Mean (esd, N)
Value
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N1-C2 1.357 (0.009, 15)
C2-N3 1.305 (0.008, 15)
N3-C4 1.356 (0.006, 15)
C4-C5 1.378 (0.008, 15)
C5-C6 1.403 (0.007, 15)
C6-N1 1.359 (0.007, 15)
C5-N7 1.379 (0.005, 15)
N7-C8 1.312 (0.008, 15)
C8-N9 1.373 (0.009, 15)
N9-C4 1.365 (0.007, 15)
C6-N6 1.320 (0.008, 15)
N9-C1' 1.466 (0.009, 15)
C6-N1-C2 123.3 (0.6, 15)
N1-C2-N3 125.7 (0.6, 15)
C2-N3-C4 111.6 (0.4, 15)
N3-C4-C5 127.4 (0.6, 15)
C4-C5-C6 117.9 (0.5, 15)
C5-C6-N1 114.0 (0.4, 15)
C4-C5-N7 111.0 (0.3, 15)
C5-N7-C8 103.7 (0.4, 15)
N7-C8-N9 113.5 (0.6, 15)
C8-N9-C4 105.9 (0.4, 15)
N9-C4-C5 105.8 (0.5, 15)
N3-C4-N9 126.7 (0.8, 15)
C6-C5-N7 131.0 (0.5, 15)
N1-C6-N6 120.2 (0.7, 15)
C5-C6-N6 125.8 (0.8, 15)
C8-N9-C1' 127.2 (1.6, 15)
C4-N9-C1' 126.8 (1.8, 15)