Table 4. Anisotropic displacement factors (Å
2).______________________________________________________________________________
Atom U(11) U(22) U(33) U(12) U(13) U(23)
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Al1 0.0058(5) 0.0038(5) 0.0065(5) 0 0.0004(4) 0
Al2 0.0071(5) 0.0041(5) 0.0040(4) 0 0.0009(4) 0
Al3 0.0059(4) 0.0048(5) 0.0088(5) 0 0.0030(4) 0
Al4 0.0046(4) 0.0038(5) 0.0067(5) 0 0.0002(4) 0
Al5 0.0062(3) 0.0033(4) 0.0068(3) -0.0000(3) -0.0004(3) -0.0001(3)
Al6 0.0057(4) 0.0037(5) 0.0055(4) 0.0001(4) -0.0005(4) -0.0007(4)
Al7 0.0066(4) 0.0037(5) 0.0051(4) 0.0004(4) 0.0002(4) 0.0009(4)
Si 0.0059(4) 0.0039(4) 0.0063(4) 0 0.0008(3 0
B1 0.014(2) 0.003(2) 0.008(2) 0 0.006(1) 0
B2 0.009(2) 0.008(2) 0.009(2) 0 -0.005(2) 0
B3 0.009(2) 0.008(2) 0.004(2) 0 0.001(1) 0
O1 0.0055(10) 0.0107(12) 0.0062(11) 0 -0.0008(9) 0
O2 0.0077(10) 0.0046(12) 0.0078(11) 0 0.0016(10) 0
O3 0.0038(10) 0.0042(11) 0.0075(10) 0 -0.0001(9) 0
O4 0.0086(8) 0.0069(9) 0.0086(7) 0.0006(7) 0.0023(7) 0.0013(7)
O5 0.0114(17) 0.0127(19) 0.0099(16) 0 -0.0032(14) 0
O6 0.0072(11) 0.0047(12) 0.0089(11) 0 0.0006(10) 0
O7 0.0077(7) 0.0059(8) 0.0080(7) 0.0001(7) -0.0027(6) -0.0009(7)
O8 0.0056(11) 0.0055(12) 0.0078(11) 0 0.0024(9) 0
O9 0.0086(7) 0.0054(8) 0.0082(7) 0.0004(7) 0.0016(6) 0.0001(7)
O10A 0.0087(12) 0.0158(14) 0.0126(12) 0 -0.0011(11) 0
O11 0.0092(8) 0.0064(8) 0.0060(7) -0.0002(7) -0.0020(6) -0.0011(7)
O12 0.0047(10) 0.0059(12) 0.0084(11) 0 -0.0011(9) 0
O13 0.0075(11) 0.0045(12) 0.0094(11) 0 -0.0016(10) 0
O14 0.0068(11) 0.0050(11) 0.0066(10) 0 -0.0013(9) 0
O15 0.0052(11) 0.0044(12) 0.0098(11) 0 0.0002(9) 0
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Note: The form of the anisotropic displacement factor is exp[-2p 2{h
2a2U(11) + k2b2U(22) + 12c2U(33) + 2hkabU(12) + 2hlacU(13) + 2klbcU(23)}], where a, b, and c are the reciprocal cell parameters.______________________________________________________________________________