Patent ID: 8124038

Claim:
IM-16 crystallized solid having an X-ray diffraction pattern including at least the lines entered in the table below: 2 theta (°) dhkl (Å) I/I0 7.55 11.70 ff 8.73 10.12 FF 9.81 9.01 f 10.74 8.23 ff 11.59 7.63 ff 13.15 6.73 ff 14.53 6.09 ff 15.13 5.85 f 15.30 5.79 ff 15.75 5.62 ff 15.92 5.56 ff 17.51 5.06 ff 17.64 5.02 ff 19.70 4.50 ff 20.12 4.41 ff 23.32 3.81 f 23.73 3.75 f 24.08 3.69 mf 24.45 3.64 ff 24.68 3.60 ff 24.94 3.57 f 25.25 3.52 f 25.46 3.50 ff 26.39 3.37 f 26.96 3.31 ff 28.61 3.12 ff 29.74 3.00 ff 30.88 2.89 ff 31.05 2.88 ff 31.81 2.81 ff 32.16 2.78 ff 34.61 2.59 ff 35.29 2.54 ff 35.49 2.53 ff 36.86 2.44 ff where FF = very high; m = medium; f = low; F = high; mf = medium low; ff = very low and having a chemical composition expressed by the following general formula: mXO 2 :nGeO 2 :pZ 2 O 3 :qR:sF:wH 2 O, wherein R represents one or more organic species, X represents one or more tetravalent elements different from germanium, Z represents at least one trivalent element and F is fluorine, m, n, p, q, s and w representing respectively the number of moles of XO 2 , GeO 2 , Z 2 O 3 , R, F and H 2 O and m is between 0.2 and 1, n is between 0 and 0.8, p is between 0 and 0.1, q is between 0 and 0.2, s is between 0 and 0.2 and w is between 0 and 0.2.