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. 2014 Mar 5;70(Pt 4):o395–o396. doi: 10.1107/S1600536814004577
Cl1A—C23A 1.745 (4) S1B—O2B 1.430 (4)
S1A—O3A 1.446 (3) S1B—O1B 1.481 (4)
S1A—O2A 1.449 (3) S1B—O2Y 1.67 (5)
S1A—O1A 1.455 (3) S1B—C26B 1.768 (4)
S1A—C26A 1.779 (4) C23B—C24B 1.371 (6)
C23A—C24A 1.366 (6) C23B—C28B 1.373 (6)
C23A—C28A 1.382 (6) C24B—C25B 1.377 (6)
C24A—C25A 1.375 (6) C24B—H24B 0.9300
C24A—H24A 0.9300 C25B—C26B 1.382 (6)
C25A—C26A 1.379 (5) C25B—H25B 0.9300
C25A—H25A 0.9300 C26B—C27B 1.382 (6)
C26A—C27A 1.378 (5) C27B—C28B 1.383 (6)
C27A—C28A 1.378 (6) C27B—H27B 0.9300
C27A—H27A 0.9300 C28B—H28B 0.9300
C28A—H28A 0.9300 N1B—C9B 1.349 (5)
N1A—C9A 1.355 (5) N1B—C1B 1.413 (6)
N1A—C1A 1.393 (5) N1B—C22B 1.448 (5)
N1A—C22A 1.473 (5) N2B—C15B 1.359 (6)
N2A—C15A 1.352 (6) N2B—C18B 1.460 (13)
N2A—C18A 1.457 (6) N2B—C20B 1.483 (6)
N2A—C20X 1.48 (2) N2B—C18Y 1.74 (2)
N2A—C20A 1.546 (15) C1B—C2B 1.392 (6)
C1A—C2A 1.398 (6) C1B—C6B 1.404 (6)
C1A—C6A 1.425 (5) C2B—C3B 1.341 (7)
C2A—C3A 1.356 (7) C2B—H2BA 0.9300
C2A—H2AA 0.9300 C3B—C4B 1.381 (8)
C3A—C4A 1.392 (6) C3B—H3BA 0.9300
C3A—H3AA 0.9300 C4B—C5B 1.351 (8)
C4A—C5A 1.350 (6) C4B—H4BA 0.9300
C4A—H4AA 0.9300 C5B—C6B 1.426 (7)
C5A—C6A 1.411 (6) C5B—H5BA 0.9300
C5A—H5AA 0.9300 C6B—C7B 1.402 (7)
C6A—C7A 1.400 (6) C7B—C8B 1.346 (6)
C7A—C8A 1.346 (6) C7B—H7BA 0.9300
C7A—H7AA 0.9300 C8B—C9B 1.438 (6)
C8A—C9A 1.435 (5) C8B—H8BA 0.9300
C8A—H8AA 0.9300 C9B—C10B 1.434 (6)
C9A—C10A 1.433 (6) C10B—C11B 1.324 (6)
C10A—C11A 1.343 (6) C10B—H10B 0.9300
C10A—H10A 0.9300 C11B—C12B 1.445 (6)
C11A—C12A 1.442 (6) C11B—H11B 0.9300
C11A—H11A 0.9300 C12B—C17B 1.387 (5)
C12A—C13A 1.391 (5) C12B—C13B 1.392 (6)
C12A—C17A 1.408 (5) C13B—C14B 1.357 (6)
C13A—C14A 1.355 (6) C13B—H13B 0.9300
C13A—H13A 0.9300 C14B—C15B 1.403 (6)
C14A—C15A 1.416 (6) C14B—H14B 0.9300
C14A—H14A 0.9300 C15B—C16B 1.422 (6)
C15A—C16A 1.418 (6) C16B—C17B 1.379 (6)
C16A—C17A 1.358 (6) C16B—H16B 0.9300
C16A—H16A 0.9300 C17B—H17B 0.9300
C17A—H17A 0.9300 C18B—C19B 1.55 (2)
C18A—C19A 1.511 (8) C18B—H18C 0.9700
C18A—H18A 0.9700 C18B—H18D 0.9700
C18A—H18B 0.9700 C19B—H19D 0.9600
C19A—H19A 0.9600 C19B—H19E 0.9600
C19A—H19B 0.9600 C19B—H19F 0.9600
C19A—H19C 0.9600 C18Y—C19Y 1.44 (3)
C20A—C21A 1.503 (17) C18Y—H18E 0.9700
C20A—H20A 0.9700 C18Y—H18F 0.9700
C20A—H20B 0.9700 C19Y—H19G 0.9600
C21A—H21A 0.9600 C19Y—H19H 0.9600
C21A—H21B 0.9600 C19Y—H19I 0.9600
C21A—H21C 0.9600 C20B—C21B 1.490 (7)
C20X—C21X 1.55 (3) C20B—H20E 0.9700
C20X—H20C 0.9700 C20B—H20F 0.9700
C20X—H20D 0.9700 C21B—H21G 0.9600
C21X—H21D 0.9600 C21B—H21H 0.9600
C21X—H21E 0.9600 C21B—H21I 0.9600
C21X—H21F 0.9600 C22B—H22D 0.9600
C22A—H22A 0.9600 C22B—H22E 0.9600
C22A—H22B 0.9600 C22B—H22F 0.9600
C22A—H22C 0.9600 O1WA—H1WA 0.8388
Cl1B—C23B 1.743 (4) O1WA—H2WA 0.7583
S1B—O1Y 1.34 (4) O1WB—H1WB 0.8496
S1B—O3Y 1.36 (3) O1WB—H2WB 0.8297
S1B—O3B 1.417 (3)
O3A—S1A—O2A 113.70 (18) O2B—S1B—O1B 111.5 (3)
O3A—S1A—O1A 113.45 (19) O1Y—S1B—O2Y 127 (2)
O2A—S1A—O1A 112.33 (18) O3Y—S1B—O2Y 96 (2)
O3A—S1A—C26A 104.97 (16) O3B—S1B—O2Y 49.6 (17)
O2A—S1A—C26A 105.79 (19) O2B—S1B—O2Y 71.5 (17)
O1A—S1A—C26A 105.65 (17) O1B—S1B—O2Y 153.8 (17)
C24A—C23A—C28A 122.1 (4) O1Y—S1B—C26B 103.0 (16)
C24A—C23A—Cl1A 118.9 (3) O3Y—S1B—C26B 103.8 (12)
C28A—C23A—Cl1A 119.0 (3) O3B—S1B—C26B 106.73 (19)
C23A—C24A—C25A 118.6 (4) O2B—S1B—C26B 106.4 (2)
C23A—C24A—H24A 120.7 O1B—S1B—C26B 105.2 (2)
C25A—C24A—H24A 120.7 O2Y—S1B—C26B 98.3 (16)
C24A—C25A—C26A 120.8 (4) C24B—C23B—C28B 121.3 (4)
C24A—C25A—H25A 119.6 C24B—C23B—Cl1B 119.2 (3)
C26A—C25A—H25A 119.6 C28B—C23B—Cl1B 119.5 (3)
C27A—C26A—C25A 119.7 (4) C23B—C24B—C25B 119.2 (4)
C27A—C26A—S1A 119.1 (3) C23B—C24B—H24B 120.4
C25A—C26A—S1A 121.0 (3) C25B—C24B—H24B 120.4
C28A—C27A—C26A 120.2 (4) C24B—C25B—C26B 121.1 (4)
C28A—C27A—H27A 119.9 C24B—C25B—H25B 119.5
C26A—C27A—H27A 119.9 C26B—C25B—H25B 119.5
C27A—C28A—C23A 118.6 (4) C25B—C26B—C27B 118.5 (4)
C27A—C28A—H28A 120.7 C25B—C26B—S1B 119.9 (3)
C23A—C28A—H28A 120.7 C27B—C26B—S1B 121.6 (3)
C9A—N1A—C1A 123.2 (3) C26B—C27B—C28B 121.1 (4)
C9A—N1A—C22A 119.6 (4) C26B—C27B—H27B 119.5
C1A—N1A—C22A 117.2 (3) C28B—C27B—H27B 119.5
C15A—N2A—C18A 122.4 (4) C23B—C28B—C27B 118.8 (4)
C15A—N2A—C20X 121.1 (7) C23B—C28B—H28B 120.6
C18A—N2A—C20X 111.1 (7) C27B—C28B—H28B 120.6
C15A—N2A—C20A 119.6 (5) C9B—N1B—C1B 122.5 (4)
C18A—N2A—C20A 115.6 (5) C9B—N1B—C22B 120.3 (4)
N1A—C1A—C2A 123.0 (3) C1B—N1B—C22B 117.2 (4)
N1A—C1A—C6A 118.5 (4) C15B—N2B—C18B 121.0 (5)
C2A—C1A—C6A 118.5 (4) C15B—N2B—C20B 122.5 (4)
C3A—C2A—C1A 120.3 (4) C18B—N2B—C20B 116.0 (5)
C3A—C2A—H2AA 119.9 C15B—N2B—C18Y 115.2 (7)
C1A—C2A—H2AA 119.9 C20B—N2B—C18Y 113.6 (7)
C2A—C3A—C4A 121.7 (5) C2B—C1B—C6B 119.1 (5)
C2A—C3A—H3AA 119.2 C2B—C1B—N1B 121.9 (4)
C4A—C3A—H3AA 119.2 C6B—C1B—N1B 118.9 (4)
C5A—C4A—C3A 119.7 (5) C3B—C2B—C1B 120.0 (5)
C5A—C4A—H4AA 120.2 C3B—C2B—H2BA 120.0
C3A—C4A—H4AA 120.2 C1B—C2B—H2BA 120.0
C4A—C5A—C6A 120.9 (4) C2B—C3B—C4B 122.2 (6)
C4A—C5A—H5AA 119.6 C2B—C3B—H3BA 118.9
C6A—C5A—H5AA 119.6 C4B—C3B—H3BA 118.9
C7A—C6A—C5A 122.9 (4) C5B—C4B—C3B 120.2 (5)
C7A—C6A—C1A 118.2 (4) C5B—C4B—H4BA 119.9
C5A—C6A—C1A 118.9 (4) C3B—C4B—H4BA 119.9
C8A—C7A—C6A 121.7 (4) C4B—C5B—C6B 119.5 (5)
C8A—C7A—H7AA 119.2 C4B—C5B—H5BA 120.3
C6A—C7A—H7AA 119.2 C6B—C5B—H5BA 120.3
C7A—C8A—C9A 121.0 (4) C7B—C6B—C1B 118.7 (4)
C7A—C8A—H8AA 119.5 C7B—C6B—C5B 122.2 (5)
C9A—C8A—H8AA 119.5 C1B—C6B—C5B 119.0 (5)
N1A—C9A—C10A 121.4 (3) C8B—C7B—C6B 121.1 (4)
N1A—C9A—C8A 117.3 (4) C8B—C7B—H7BA 119.5
C10A—C9A—C8A 121.2 (4) C6B—C7B—H7BA 119.5
C11A—C10A—C9A 124.0 (3) C7B—C8B—C9B 121.3 (4)
C11A—C10A—H10A 118.0 C7B—C8B—H8BA 119.3
C9A—C10A—H10A 118.0 C9B—C8B—H8BA 119.3
C10A—C11A—C12A 127.7 (3) N1B—C9B—C10B 122.1 (4)
C10A—C11A—H11A 116.2 N1B—C9B—C8B 117.4 (4)
C12A—C11A—H11A 116.2 C10B—C9B—C8B 120.3 (4)
C13A—C12A—C17A 116.4 (4) C11B—C10B—C9B 124.0 (4)
C13A—C12A—C11A 120.0 (3) C11B—C10B—H10B 118.0
C17A—C12A—C11A 123.6 (4) C9B—C10B—H10B 118.0
C14A—C13A—C12A 122.7 (4) C10B—C11B—C12B 128.6 (4)
C14A—C13A—H13A 118.6 C10B—C11B—H11B 115.7
C12A—C13A—H13A 118.6 C12B—C11B—H11B 115.7
C13A—C14A—C15A 121.6 (4) C17B—C12B—C13B 116.5 (4)
C13A—C14A—H14A 119.2 C17B—C12B—C11B 125.3 (4)
C15A—C14A—H14A 119.2 C13B—C12B—C11B 118.2 (4)
N2A—C15A—C14A 121.9 (4) C14B—C13B—C12B 122.9 (4)
N2A—C15A—C16A 122.5 (4) C14B—C13B—H13B 118.6
C14A—C15A—C16A 115.6 (4) C12B—C13B—H13B 118.6
C17A—C16A—C15A 122.0 (4) C13B—C14B—C15B 121.5 (4)
C17A—C16A—H16A 119.0 C13B—C14B—H14B 119.2
C15A—C16A—H16A 119.0 C15B—C14B—H14B 119.2
C16A—C17A—C12A 121.7 (4) N2B—C15B—C14B 121.1 (4)
C16A—C17A—H17A 119.2 N2B—C15B—C16B 122.8 (4)
C12A—C17A—H17A 119.2 C14B—C15B—C16B 116.1 (4)
N2A—C18A—C19A 112.6 (5) C17B—C16B—C15B 120.9 (4)
N2A—C18A—H18A 109.1 C17B—C16B—H16B 119.6
C19A—C18A—H18A 109.1 C15B—C16B—H16B 119.6
N2A—C18A—H18B 109.1 C16B—C17B—C12B 122.1 (4)
C19A—C18A—H18B 109.1 C16B—C17B—H17B 118.9
H18A—C18A—H18B 107.8 C12B—C17B—H17B 118.9
C18A—C19A—H19A 109.5 N2B—C18B—C19B 104.4 (10)
C18A—C19A—H19B 109.5 N2B—C18B—H18C 110.9
H19A—C19A—H19B 109.5 C19B—C18B—H18C 110.9
C18A—C19A—H19C 109.5 N2B—C18B—H18D 110.9
H19A—C19A—H19C 109.5 C19B—C18B—H18D 110.9
H19B—C19A—H19C 109.5 H18C—C18B—H18D 108.9
C21A—C20A—N2A 106.3 (12) C19Y—C18Y—N2B 94.1 (15)
C21A—C20A—H20A 110.5 C19Y—C18Y—H18E 112.9
N2A—C20A—H20A 110.5 N2B—C18Y—H18E 112.9
C21A—C20A—H20B 110.5 C19Y—C18Y—H18F 112.9
N2A—C20A—H20B 110.5 N2B—C18Y—H18F 112.9
H20A—C20A—H20B 108.7 H18E—C18Y—H18F 110.3
N2A—C20X—C21X 99.4 (16) C18Y—C19Y—H19G 109.5
N2A—C20X—H20C 111.9 C18Y—C19Y—H19H 109.5
C21X—C20X—H20C 111.9 H19G—C19Y—H19H 109.5
N2A—C20X—H20D 111.9 C18Y—C19Y—H19I 109.5
C21X—C20X—H20D 111.9 H19G—C19Y—H19I 109.5
H20C—C20X—H20D 109.6 H19H—C19Y—H19I 109.5
C20X—C21X—H21D 109.5 N2B—C20B—C21B 112.8 (5)
C20X—C21X—H21E 109.5 N2B—C20B—H20E 109.0
H21D—C21X—H21E 109.5 C21B—C20B—H20E 109.0
C20X—C21X—H21F 109.5 N2B—C20B—H20F 109.0
H21D—C21X—H21F 109.5 C21B—C20B—H20F 109.0
H21E—C21X—H21F 109.5 H20E—C20B—H20F 107.8
N1A—C22A—H22A 109.5 C20B—C21B—H21G 109.5
N1A—C22A—H22B 109.5 C20B—C21B—H21H 109.5
H22A—C22A—H22B 109.5 H21G—C21B—H21H 109.5
N1A—C22A—H22C 109.5 C20B—C21B—H21I 109.5
H22A—C22A—H22C 109.5 H21G—C21B—H21I 109.5
H22B—C22A—H22C 109.5 H21H—C21B—H21I 109.5
O1Y—S1B—O3Y 123 (2) N1B—C22B—H22D 109.5
O1Y—S1B—O3B 150.2 (16) N1B—C22B—H22E 109.5
O3Y—S1B—O3B 46.8 (13) H22D—C22B—H22E 109.5
O1Y—S1B—O2B 56.5 (18) N1B—C22B—H22F 109.5
O3Y—S1B—O2B 148.7 (12) H22D—C22B—H22F 109.5
O3B—S1B—O2B 115.0 (3) H22E—C22B—H22F 109.5
O1Y—S1B—O1B 58.0 (18) H1WA—O1WA—H2WA 110.0
O3Y—S1B—O1B 67.2 (13) H1WB—O1WB—H2WB 107.8
O3B—S1B—O1B 111.2 (3)
C28A—C23A—C24A—C25A −0.4 (5) C24B—C25B—C26B—C27B 0.6 (6)
Cl1A—C23A—C24A—C25A 179.1 (3) C24B—C25B—C26B—S1B −179.5 (3)
C23A—C24A—C25A—C26A 0.2 (5) O1Y—S1B—C26B—C25B −88.0 (19)
C24A—C25A—C26A—C27A −0.3 (5) O3Y—S1B—C26B—C25B 142.4 (14)
C24A—C25A—C26A—S1A −176.7 (3) O3B—S1B—C26B—C25B 93.9 (4)
O3A—S1A—C26A—C27A −83.0 (3) O2B—S1B—C26B—C25B −29.4 (4)
O2A—S1A—C26A—C27A 156.5 (3) O1B—S1B—C26B—C25B −147.9 (4)
O1A—S1A—C26A—C27A 37.2 (3) O2Y—S1B—C26B—C25B 43.6 (18)
O3A—S1A—C26A—C25A 93.5 (3) O1Y—S1B—C26B—C27B 91.9 (19)
O2A—S1A—C26A—C25A −27.0 (3) O3Y—S1B—C26B—C27B −37.7 (14)
O1A—S1A—C26A—C25A −146.3 (3) O3B—S1B—C26B—C27B −86.3 (4)
C25A—C26A—C27A—C28A 0.5 (5) O2B—S1B—C26B—C27B 150.4 (4)
S1A—C26A—C27A—C28A 177.0 (3) O1B—S1B—C26B—C27B 32.0 (4)
C26A—C27A—C28A—C23A −0.6 (6) O2Y—S1B—C26B—C27B −136.5 (18)
C24A—C23A—C28A—C27A 0.6 (6) C25B—C26B—C27B—C28B −0.6 (6)
Cl1A—C23A—C28A—C27A −178.9 (3) S1B—C26B—C27B—C28B 179.6 (3)
C9A—N1A—C1A—C2A −173.2 (4) C24B—C23B—C28B—C27B 0.9 (6)
C22A—N1A—C1A—C2A 8.1 (6) Cl1B—C23B—C28B—C27B −179.3 (3)
C9A—N1A—C1A—C6A 5.0 (6) C26B—C27B—C28B—C23B −0.1 (6)
C22A—N1A—C1A—C6A −173.7 (4) C9B—N1B—C1B—C2B 175.6 (4)
N1A—C1A—C2A—C3A −179.7 (4) C22B—N1B—C1B—C2B −4.9 (6)
C6A—C1A—C2A—C3A 2.1 (6) C9B—N1B—C1B—C6B −1.8 (6)
C1A—C2A—C3A—C4A −0.1 (7) C22B—N1B—C1B—C6B 177.7 (4)
C2A—C3A—C4A—C5A −2.0 (7) C6B—C1B—C2B—C3B −1.6 (7)
C3A—C4A—C5A—C6A 2.0 (7) N1B—C1B—C2B—C3B −179.1 (4)
C4A—C5A—C6A—C7A −176.9 (4) C1B—C2B—C3B—C4B 0.5 (8)
C4A—C5A—C6A—C1A −0.1 (6) C2B—C3B—C4B—C5B 0.3 (8)
N1A—C1A—C6A—C7A −3.2 (6) C3B—C4B—C5B—C6B 0.0 (8)
C2A—C1A—C6A—C7A 175.0 (4) C2B—C1B—C6B—C7B −176.7 (4)
N1A—C1A—C6A—C5A 179.8 (4) N1B—C1B—C6B—C7B 0.9 (6)
C2A—C1A—C6A—C5A −1.9 (6) C2B—C1B—C6B—C5B 1.9 (6)
C5A—C6A—C7A—C8A 177.2 (4) N1B—C1B—C6B—C5B 179.5 (4)
C1A—C6A—C7A—C8A 0.3 (6) C4B—C5B—C6B—C7B 177.4 (5)
C6A—C7A—C8A—C9A 1.1 (7) C4B—C5B—C6B—C1B −1.1 (7)
C1A—N1A—C9A—C10A 173.3 (4) C1B—C6B—C7B—C8B 0.3 (7)
C22A—N1A—C9A—C10A −8.0 (6) C5B—C6B—C7B—C8B −178.3 (4)
C1A—N1A—C9A—C8A −3.6 (6) C6B—C7B—C8B—C9B −0.6 (7)
C22A—N1A—C9A—C8A 175.2 (4) C1B—N1B—C9B—C10B −173.2 (4)
C7A—C8A—C9A—N1A 0.4 (6) C22B—N1B—C9B—C10B 7.3 (6)
C7A—C8A—C9A—C10A −176.5 (4) C1B—N1B—C9B—C8B 1.5 (6)
N1A—C9A—C10A—C11A 179.4 (4) C22B—N1B—C9B—C8B −178.0 (4)
C8A—C9A—C10A—C11A −3.8 (6) C7B—C8B—C9B—N1B −0.3 (7)
C9A—C10A—C11A—C12A 174.6 (4) C7B—C8B—C9B—C10B 174.5 (4)
C10A—C11A—C12A—C13A −173.0 (4) N1B—C9B—C10B—C11B 175.8 (4)
C10A—C11A—C12A—C17A 5.6 (7) C8B—C9B—C10B—C11B 1.3 (7)
C17A—C12A—C13A—C14A −0.7 (6) C9B—C10B—C11B—C12B −172.5 (4)
C11A—C12A—C13A—C14A 178.0 (4) C10B—C11B—C12B—C17B −4.1 (8)
C12A—C13A—C14A—C15A 1.7 (7) C10B—C11B—C12B—C13B 173.9 (5)
C18A—N2A—C15A—C14A −178.5 (5) C17B—C12B—C13B—C14B 0.7 (7)
C20X—N2A—C15A—C14A −26.7 (11) C11B—C12B—C13B—C14B −177.5 (5)
C20A—N2A—C15A—C14A 20.0 (9) C12B—C13B—C14B—C15B 0.1 (8)
C18A—N2A—C15A—C16A 3.2 (8) C18B—N2B—C15B—C14B −168.8 (7)
C20X—N2A—C15A—C16A 154.9 (8) C20B—N2B—C15B—C14B 2.7 (9)
C20A—N2A—C15A—C16A −158.4 (6) C18Y—N2B—C15B—C14B 148.1 (8)
C13A—C14A—C15A—N2A −179.8 (5) C18B—N2B—C15B—C16B 10.1 (11)
C13A—C14A—C15A—C16A −1.3 (7) C20B—N2B—C15B—C16B −178.5 (6)
N2A—C15A—C16A—C17A 178.6 (5) C18Y—N2B—C15B—C16B −33.1 (10)
C14A—C15A—C16A—C17A 0.1 (7) C13B—C14B—C15B—N2B 177.6 (6)
C15A—C16A—C17A—C12A 0.8 (7) C13B—C14B—C15B—C16B −1.4 (8)
C13A—C12A—C17A—C16A −0.5 (6) N2B—C15B—C16B—C17B −177.1 (6)
C11A—C12A—C17A—C16A −179.1 (4) C14B—C15B—C16B—C17B 1.8 (8)
C15A—N2A—C18A—C19A −84.1 (7) C15B—C16B—C17B—C12B −1.1 (8)
C20X—N2A—C18A—C19A 121.6 (8) C13B—C12B—C17B—C16B −0.2 (7)
C20A—N2A—C18A—C19A 78.1 (7) C11B—C12B—C17B—C16B 177.9 (5)
C15A—N2A—C20A—C21A −96.3 (8) C15B—N2B—C18B—C19B −83.7 (10)
C18A—N2A—C20A—C21A 100.9 (7) C20B—N2B—C18B—C19B 104.4 (8)
C20X—N2A—C20A—C21A 8.0 (10) C18Y—N2B—C18B—C19B 8.6 (14)
C15A—N2A—C20X—C21X 100.0 (11) C15B—N2B—C18Y—C19Y 112.6 (10)
C18A—N2A—C20X—C21X −105.4 (10) C18B—N2B—C18Y—C19Y 3.8 (8)
C20A—N2A—C20X—C21X −0.3 (10) C20B—N2B—C18Y—C19Y −98.9 (10)
C28B—C23B—C24B—C25B −0.8 (6) C15B—N2B—C20B—C21B 79.0 (8)
Cl1B—C23B—C24B—C25B 179.3 (3) C18B—N2B—C20B—C21B −109.2 (7)
C23B—C24B—C25B—C26B 0.1 (6) C18Y—N2B—C20B—C21B −66.9 (9)