Reivindicaciones
1. A microporous crystalline material of zeolitic nature with an X-ray diffraction pattern in accordance with what is established in Tables I and II for the material just as it is synthesized and after calcination, respectively and with a chemical compound in the calcined and anhydrous state that may be represented by the following empirical formula x(M1/nXO2):yYO2:SiO2 wherein x has a value lower than 0.06; it may be equal to zero; y has a value lower than 0.1; it may likewise be equal to zero; M is H<+> or an inorganic cation of charge +n; X is a chemical element with oxidation state +3 (such as, for example, Al, Ga, B, Cr) and Y is a chemical element with oxidation state +4 (such as, for example, Ti, Ge, V). 2. A zeolite according to claim 1 whose chemical composition in the calcined and anhydrous state may be represented by the following empirical formula x(HXO2):yYO2:SiO2 wherein X is a trivalent element (Al, B, Ga, Cr,...); Y is a tetravalent element different from Si (Ti, Ge, V,...), x has a value lower than 0.06; it may be equal to zero, y has a value lower than 0.1; it may likewise be equal to zero, and wherein the cation H<+> may be exchanged by other mono-, di- or trivalent organic or inorganic cations. 3. A zeolite according to claim 1 whose chemical composition in the calcined and anhydrous state may be represented by the following empirical formula x(HAlO2):SiO2 wherein x has a value lower than 0.06; it may be equal to zero and wherein the cation H<+> may be exchanged by other mono-, di- or trivalent organic or inorganic cations. 4. A zeolite according to claim 1 whose chemical composition in the calcined and anhydrous state may be represented as SiO<2>. 5. A method for synthesizing zeolites wherein a reaction mixture that contains a source of SiO<2>, the organic cation 1,3,3-trimethyltricyclo-6-azonium-[3.2.1.4<6.6>]dodecane in racemic form as some of the enantiomers thereof or mixtures thereof, a source of fluor F, a source of one or several tetravalent elements Y different from Si, a source of one or several trivalent elements X and water is subjected to heating with or without stirring at a temperature between 80 and 200°C, until achieving crystallization thereof and wherein the reaction mixture has a composition in terms of molar ratios of oxides, comprised between the ranges X<2>O<3>/SiO<2>=0-0.25 ROH/SiO<2>=0.05-4.0, preferably 0.1-3.0 F<->/Si=0-4.0, preferably 0.1-3.0 YO<2>/SiO<2>=0-0.5 H<2>O/SiO<2>=0-100, preferably 1-50, more preferably 1-15. 6. A method for synthesizing the zeolite of the preceding claims wherein a reaction mixture that contains a source of SiO<2>, the organic cation 1,3,3-trimethyltricyclo-6-azonium-[3.2.1.4<6.6>]dodecane in racemic form or as some of the enantiomers thereof or mixtures thereof, a source of fluoride anions, a source of one or several trivalent elements X and water is subjected to heating with or without stirring at a temperature between 80 and 200°C, preferably between 130 and 180°C, until achieving crystallization thereof, and wherein the reaction mixture has a composition, in terms of molar ratios of oxides, comprised between the ranges X<2>O<3>/SiO<2>=0-0.25 ROH/SiO<2>=0.05-4.0, preferably 0.1-3.0 F<->/Si=0-4.0, preferably 0.1-3.0 H<2>O/SiO<2>=0-100, preferably 1-50, more preferably 1-15. 7. A method for synthesizing the zeolite of the claims 1 and 3 wherein a reaction mixture that contains a source of SiO<2>, the organic cation 1,3,3-trimethyltricyclo-6-azonium-[3.2.1.4<6,6>]dodecane in racemic form, as some of the enantiomers thereof or mixtures thereof, a source of fluoride anions, a source of Al and water is subjected to heating with or without stirring at a temperature between 80 and 200°C, preferably between 130 and 180°C, until achieving crystallization thereof, and wherein the reaction mixture has a composition, in terms of molar ratios of oxides, comprised between the ranges Al<2>O<3>/SiO<2>=0-0.25 ROH/SiO<2>=0.05-4.0, preferably 0.1-3.0 F<->/Si=0-4.0, preferably 0.1-3.0 H<2>O/SiO<2>=0-100, preferably 1-50, more preferably 1-15. 8. A method for synthesizing the zeolite of claims 1 and 4 wherein a reaction mixture that contains a source of SiO<2>, the organic cation 1,3,3-trimethyltricyclo-6-azonium-[3.2.1.4<6.6>]dodecane in racemic form, as some of the enantiomers thereof or mixtures thereof, a source of fluoride anions and water is subjected to heating with or without stirring at a temperature between 80 and 200°C, preferably between 130 and 180°C, until achieving crystallization thereof, and wherein the reaction mixture has a composition in terms of molar ratios of oxides, comprised between the ranges ROH/SiO<2>=0.05-4.0, preferably 0.1-3.0 F<->/Si=0-4.0, preferably 0.1-3.0 H<2>O/SiO<2>=0-100, preferably 1-50, more preferably 1-15. 9. A method for synthesizing the zeolite of claims 1 and 2 wherein a reaction mixture that contains a source of SiO<2>, the organic cation 1,3,3-trimethyltricyclo-6-azonium-[3.2.1.4<6,6>]dodecane in racemic form, as some of the enantiomers thereof or mixtures thereof, a source of fluoride anion, a source of one or several tetravalent elements Y different from Si, and water is subjected to heating with or without stirring at a temperature between 80 and 200°C, preferably between 130 and 180°C, until achieving crystallization thereof, and wherein the reaction mixture has a composition, in terms of molar ratios of oxides, comprised between the ranges ROH/SiO<2>=0.05-4, preferably 0.1-3.0 F<->/Si=0-4, preferably 0.1-3.0 YO<2>/SiO<2>=0-0.5 H<2>O/SiO<2>=0-100, preferably 1-50, more preferably 1-15. 10. A method of synthesis of the crystalline material of claims 1-4 according to claims 5-9 wherein the organic cation 1,3,3-trimethyltricyclo-6-azonium-[3.2.1.4<6.6>]dodecane in racemic form, as some of the enantiomers thereof or mixtures thereof is added in hydroxide form or in the form of a mixture of hydroxide and another salt, preferably a halide, and the fluoride anion is added in the form of hydrofluoric acid or a salt, preferably ammonium fluoride, in such a way that the pH of the mixture is equal to or lower than 12, preferably lower than 11 and it may even be neutral or slightly acid. 11. A method of synthesis of a microporous crystalline material according to claim 10 and the preceding claims, wherein said crystalline material has an X-ray diffraction pattern substantially in accordance with that which is established in Tables I and II for the material just as it is synthesized and after calcination, respectively, and with a chemical composition in the calcined and anhydrous state that may be represented by the following empirical formula x(M1/nXO2):yYO2:SiO2 wherein x has a value lower than 0.06; it may be equal to zero; y has a value lower than 0.1; it may likewise be equal to zero, M is H<+> or an inorganic cation of charge +n; X is a chemical element with oxidation state +3 (such as, for example, Al, Ga, B, Cr) and Y is a chemical element with oxidation state +4 (such as, for example, Ti, Ge, V). 12. A method for synthesizing the zeolite of claims 1-4 and 11 according to the process of claims 5-10 wherein an amount of crystalline material (preferably with the characteristics of the material of claims 1-4 and 11) as crystallization promoter is added to the reaction mixture, said amount being comprised in the range of 0.01 to 15% by weight with respect to the total silica added, preferably 0.05 to 5%. 13. A method for synthesizing the zeolite of claims 1-4 and 11 according to the process of claims 5-10 and 12 wherein alkali cations are not added to the reaction mixture. 14. A method for synthesizing the zeolite of claims 1-3 and 11 according to the process of claims 5, 6, 7, 9, 10 and 12 wherein a source of a tetravalent element other than Si is added or of a trivalent element is added in an intermediate step during the heating of the reaction mixture.
