Table 3. Selected geometric parameters (, ).

C2C3	1.5338(4)	C14C15	1.3941(5)
C3C4	1.5019(5)	C14H14	0.980(7)
C4C2	1.5421(4)	C5C10	1.3999(4)
C2C1	1.4992(4)	C10C9	1.3970(4)
O1C1	1.3395(5)	C10H10	0.981(6)
O2C1	1.2150(5)	C7C8	1.3948(4)
C3C11	1.5096(5)	C7H7	0.980(7)
C3H3	1.015(8)	C15C16	1.3948(4)
C12C13	1.3984(4)	C15H15	0.991(6)
C12C2	1.4989(4)	C16H16	0.974(7)
C12C17	1.3961(4)	C9C8	1.3915(5)
C4C5	1.4880(4)	C9H9	0.977(7)
C4H4	1.011(8)	C11H11A	0.939(9)
C13C14	1.3939(4)	C11H11B	0.966(10)
C13H13	0.978(7)	C11H11C	0.962(9)
C6C5	1.4026(4)	C8H8	0.979(7)
C6C7	1.3933(4)	C18H18A	0.960(11)
C6H6	0.985(6)	C18H18B	0.940(11)
C17C16	1.3980(4)	C18H18C	0.951(10)
C17H17	0.973(6)
C2C4C3	60.50(2)	C3C2C12	119.41(3)
C3C2C4	58.46(2)	C3C2C1	115.91(3)
C4C3C2	61.05(2)	C12C2C1	115.92(3)
C4C3C11	121.26(3)	C12C17C16	120.39(2)
C4C3H3	114.1(5)	C13C14C15	119.67(2)
C2C3C11	124.29(3)	C4C5C6	123.32(3)
C2C3H3	111.3(6)	C4C5C10	118.28(3)
C11C3H3	114.4(6)	C6C5C10	118.24(2)
C13C12C2	119.66(3)	C5C10C9	121.13(3)
C13C12C17	118.96(2)	C6C7C8	120.27(3)
C2C12C17	121.39(2)	C6C7H7	120.0(5)
C3C4C5	122.63(3)	C14C15C16	119.94(2)
C3C4H4	115.6(6)	C1O1C18	115.32(5)
C5C4H4	112.9(6)	O1C1O2	122.61(4)
C12C13C14	120.95(3)	O1C1C2	111.95(3)
C12C13H13	118.4(4)	O2C1C2	125.42(4)
C14C13H13	120.7(4)	C17C16C15	120.07(3)
C5C6C7	120.79(3)	C10C9C8	119.90(3)
C5C6H6	119.2(4)	C7C8C9	119.67(2)
C7C6H6	120.0(4)