secondary cells with lithium anodes and immobilized fused_salt
secondary cells with lithium anodes and immobilized fused_salt secondary cells with lithium anodes and immobilized fused_salt
!P, "c -- -2118.5 -195 -172 -16.1 .: -15.1 -132.5 " -166 -160 -- -116 * 3 - 185 -13 to 3 (Et.) 112. TABLE I1 --Tn !;ILROG&Y FLUORIDES &!D DERIVATIVES BP, "C -- -129 -1c5.7 -111.4 -73 nn -I; < -59.9 -72.5 -a5 dec. (23.6 -67 -142 -129 -88 -58 -479 -393 -363 -65 6 -141 I9F NMR -- -- -- - IR 1070, 931 1331, 1010, 907, 642 1524db, 952tr, 896db, 737tr 989 (1996m, 158lm, 1434m) 1010, 998, 959, 946 -- 1844, 766, 521 1793, 1312, 822, 742, 570 1687, 887, 743, 528 -- 3193w, 1428db, 1280db, 978db 920tr, 853db, 694tr -- - 103 1350 -144 (db.) 1521, 1504, 1128, 924, 518, -192 497 -214.7 (tr.) 1163, 611 -331 1857, 1162, 905 Otlicr derivitiv5s include com~ounds of the types: MNF2 (M = SI'S-, SFSO-, CF3SF4-, FSOz-, FSOSO-, CFsS-); F,(PFz), (R = Rf, alkyl, anthracene, etc.; X = 1-4); S-C(=iTF)-R'; and R-H(O)=IF. ,
The TI-F bond is lengthened over that in NF3 and the N=N bond is shortened compared to tixt (1.24 1) in N2(CH3)2. The N-F ar.d N=N bond energies of the trans form is 68 and 139 kcalfmol, respectively. The trans N2F2 is conveniently prepared by re- Zction of N2F4 at 10~7 pressure with AlC13 at -80". The trans form is converted to the form in over 90% yield at 75" in a well-passivated stainless steel cylinder. ?he N2Fp is obteined nearly quantitatively by the decomposition at 20" of the com- :>lox KF"HNF2 formed at -80°C. Difluorodiazine has also been offered commercially. 'TI?€ cis W2F2 is more reactive chemically than trans N2F2, but both can act as fluorir.2ti.X atepts. The so-called N=N double bond is unusually inert and does not Ldcrgo cddition reactions. Detonations, especially with the cis isomer, have occurrcd upon epplication of high pressure. The fluorination of N2F2 to N2F4 has t?xrcrtly fiot been reported. %-N2F2 undergoes the fluoride abstraction with Lewis -cids to give a stable salt of the N2F+ ion T!ic isomer also gives this reaction with SbF5. Tetrafluorohydrazine has the structure in the gas phase on the left below (2 2nd 1 isomers) but the Tynretrical isomer on the right has also been observed in the li?uid at 101; temperature. i;-F Ii-11 1.53 1.39 8, F a I?@" L F'NF 104' L WTF 102O diiiedral angle 69" F F .. F 19F iMR -65.2, -44.0, -53.2, -31.9 $ -60.4 6 (ill IF3 at -155") Thc 2b:bnormally long N-N bond (compared to 1.45 in N2H4) has a low dissociation cpcr,3 (25 kcalfmol) and N2F4 exists in equilibrium with stable NF2 radicals. Tttrzflucrohydrazine has been available commercially since 1960 and its reactions .?-.-c becr. studid ictensively. It enters into at least five types of reactions: (1) normal 192 radical reactions including addition to olefins or a second radical, xd -ibstraction reactions; (2) excited NF2 reactions resulting from photolysis at obont 265' w; (3) fluorination (oxidation) reactions; (4) reduction reactions; (5) fluoride abstraction reaction. Exmples of each are illustrated in Figure 2. Trifluoramine oxide, IIF30, was reprted in 1965. , It can be prepared by electric discharge at--19€i0 in mixtures of NF3 and 02 or OFg, by the flame fluori- :.ztior. of I;O irith fast quench, or more conveniently at 25O by the fluorination of ii0 with F2 photochemically or with certain metal hexafluorides such as IrF6. The IZ3O hos a tetrahedral structure in which the N-F and N + 0 bonds are slightly
- Page 62 and 63: 62. to FEFO -e quite high (80 to 85
- Page 64 and 65: 64. RECENT CHEMISTRY OF THE OXYGEN
- Page 66 and 67: polymers for the conventional fuel
- Page 68 and 69: 68. In summary, two general methods
- Page 70 and 71: 70. Table XI1 Differential Thermal
- Page 72 and 73: vapor Pressure (psia) Figure 4. Vap
- Page 74 and 75: C H -0-C-NHF, - 2 5 II 0 74. H 9304
- Page 76 and 77: 76. The infrared spectrum is descri
- Page 78 and 79: , 78. PREPARATION AND POLYMERIZATIO
- Page 80 and 81: . .- . - ..... . . I ,caving the re
- Page 82 and 83: If it ~ 3 ~ o~t 7 s Y'2t the therm1
- Page 84 and 85: Chlorine Fentafluaride T q D OC 252
- Page 86 and 87: , 86. Zeections of Cl30 and AsF5. M
- Page 88 and 89: aa . - The rrost difficult rctionel
- Page 90 and 91: 90. DENSITY, VISCOSITY AND SURFACE
- Page 92 and 93: 92. If it is assumed that the syste
- Page 94 and 95: 94. After condensation of oxidizer
- Page 96 and 97: Stirring Solenoid LHe 7. Cryostat 9
- Page 98 and 99: Introduction 98. RFACTIONS OF OxYcm
- Page 100 and 101: , Acknowledgement 100. This work wa
- Page 102 and 103: 102. volume and then by pumping to
- Page 104 and 105: 104. The x-ray powder pattern (Tabl
- Page 106 and 107: Irredie tion Time, mi&) 106. Table
- Page 108 and 109: I. Introduction 108. RE7IIEw OF ADV
- Page 110 and 111: 1.40 w F O/) 103-4O 'F 110. /H 0 21
- Page 114 and 115: 114. weaker than those in NF02. The
- Page 116 and 117: Compound C102F ~ 1 , 0 ~ -146 ~ 116
- Page 118 and 119: 118. fom such salts as cS+m8- have
- Page 120 and 121: 120. DETONABILITY TESTING AT NONAMB
- Page 122 and 123: I 122. top) is closed with caps whi
- Page 124 and 125: 124. five pieces of MDF, each 20.00
- Page 126 and 127: 126. auxiliary equipment. For conve
- Page 128 and 129: 128. reliability. Details of most o
- Page 130 and 131: 130. The time required for the deto
- Page 132 and 133: 132. Fig. 2 Typical Witness Plate
- Page 134 and 135: I ll 134. L, ALUMINUM 011+ ‘7 I-
- Page 136: W (3 3 a (3 W m 3 0 v) W E k- / W 3
!P, "c<br />
--<br />
-2118.5<br />
-195<br />
-172<br />
-16.1 .:<br />
-15.1<br />
-132.5 "<br />
-166<br />
-160<br />
--<br />
-116 * 3<br />
- 185<br />
-13 to 3<br />
(Et.)<br />
112.<br />
TABLE I1<br />
--Tn !;ILROG&Y FLUORIDES &!D DERIVATIVES<br />
BP, "C<br />
--<br />
-129<br />
-1c5.7<br />
-111.4<br />
-73<br />
nn<br />
-I; <<br />
-59.9<br />
-72.5<br />
-a5<br />
dec.<br />
(23.6<br />
-67<br />
-142<br />
-129<br />
-88<br />
-58<br />
-479<br />
-393<br />
-363<br />
-65<br />
6<br />
-141<br />
I9F NMR<br />
--<br />
--<br />
--<br />
- IR<br />
1070, 931<br />
1331, 1010, 907, 642<br />
1524db, 952tr, 896db, 737tr<br />
989 (1996m, 158lm, 1434m)<br />
1010, 998, 959, 946<br />
--<br />
1844, 766, 521<br />
1793, 1312, 822, 742, 570<br />
1687, 887, 743, 528<br />
--<br />
3193w, 1428db, 1280db, 978db<br />
920tr, 853db, 694tr<br />
--<br />
- 103 1350<br />
-144 (db.) 1521, 1504, 1128, 924, 518,<br />
-192 497<br />
-214.7 (tr.) 1163, 611<br />
-331 1857, 1162, 905<br />
Otlicr derivitiv5s include com~ounds of the types: MNF2 (M = SI'S-, SFSO-, CF3SF4-,<br />
FSOz-, FSOSO-, CFsS-); F,(PFz), (R = Rf, alkyl, anthracene, etc.; X = 1-4);<br />
S-C(=iTF)-R'; <strong>and</strong> R-H(O)=IF.<br />
,
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