Patent ID: 8372377

Claim:
An IM-18 crystalline solid in its calcined form having an X-ray diffraction diagram including at least the peaks shown in the table below: 2 theta (°) d hkl (Å) I/I 0 7.88 11.21 Vw 8.92 9.91 Vw 10.63 8.31 Vw 11.81 7.49 Vw 15.78 5.61 Vs 17.89 4.95 Mw 18.50 4.79 Vw 20.93 4.24 Mw 21.68 4.10 Vw 23.26 3.82 W 23.71 3.75 Mw 24.09 3.69 W 25.55 3.48 Vw 25.97 3.43 M 26.16 3.40 Vw 26.61 3.35 Vw 26.92 3.31 Mw 29.86 2.99 Vw 30.23 2.95 W 31.84 2.81 W 33.73 2.66 Vw 36.18 2.48 Vw 36.66 2.45 Vw 37.48 2.40 Vw 39.83 2.26 Vw 42.49 2.13 Vw 44.36 2.04 Vw 45.22 2.00 Vw 47.56 1.91 Vw 48.22 1.89 Vw 48.58 1.87 Vw 49.78 1.83 Vw in which: Vs=very strong; S=strong; M=medium; Mw=medium weak; W=weak; Vw=very weak, and having a chemical composition expressed by the following general formula: mXO 2 :nGeO 2 :pZ 2 O 3 :qR:sF:wH 2 O, in which R represents one or more organic species, X represents one or more tetravalent element(s) other than germanium, Z represents at least one trivalent element and F is fluorine, m, n, p, q, s and w respectively representing the number of moles of XO 2 , GeO 2 , Z 2 O 3 , R, F and H 2 O and m is in the range 0.5 to 0.9, n is in the range 0.1 to 0.5, p is in the range 0 to 0.1, q is in the range 0 to 0.2, s is in the range 0 to 0.2 and w is in the range 0 to 1.