تعیین ساختار بلوری و مولکولی دی متواکسی کالیکس (4) ارین C30H28O11 با استفاده از روش تک بلوری پرتو X

تهیه و بررسی ساختار بلوری Me2=Me24= (Sio4)3 با استفاده از پراش سنچجی پرتو X

بررسی تاثیر نواقص بر پارامترهای بلوری با استفاده از پراش پرتو X

Formation o f any kinll:-; ur crys ta l defects is followed hy creatIOn of mechanil.:ul s t resscs wi thim the t:ry:-;tal strut:tun.!. which in turn l.:'IUses l<.lllicc paramc ters to change. these changes resu lt a rclevant disp lacement of the X-ray dilfractogram pcaks. In this wo rk r e la tive tli :-;piaccmcllt ur it certa in peak ( III) of de fect ed and annealed :-;amp!c:.:s of AI a...

مروری کوتاه بر ساختار بلوری و مولکولی کمپلکسهای مس (I)

In this review article, the methods of preparation of copper(l) crunplexC(", stereochemistry (crystal and molecularstrucmres) ofmono-, bi-, trio, te1ra1., penta-, hexa-, acta-, dodeca-, and finally polynuclear complexes have been studied. In addition, metal-metal interaction in some cases, have ~ discussed.. For the first time, four new ropper(I) complexes (mono-, di-, and henmer) have bee...

تهیه کمپلکس پلی اکواتریس کروماتوبیس (اتلین دی آمین) کادیمیم (II) و تعیین ساختار بلوری آن

A new complex of cadmium was synthesized by the reaction of cadmium nitrate, potm;sium dichromate, and ethylenediamine. Its crystal structure was dete rmined by X-ray diffractomctry. It is Crystalli:tt.:d in a monoclinic system, with P21 /n(1 4) poinl group and 4 molecules of the complex in the unit ceiL The cryst,d parameters arc: a = 7.4615(7)A. h= 7.1480(2)A. c= 14.~4B5( 10)A /3= 92.(...

تفسیر نقشهای پراش و تعیین ساختار بلوری CdSe با استفاده از میکروسکوپ الکترونی تراگسیلی

Single crystals of binary semiconducto r CdSe were grown by subJimalion and conde nsation techniques wing ca rrier argon gas. Powder X-ray diffraction as well as Transmission e lectron microscopy o f powde red crystals confiml Ihe cryslal st ructure to be hexagonal with : a = 4.299 A, c = 7.010 A and space grope P6,MC

بررسی ساختار بلوری 4- (4H-1،2،4-تری آزول-4- ایل) فنل تهیه شده به روش گرمابی

4-(4H-1,2,4-Triazol-4-yl)phenol (compound I) as a triazol aromatic compound was obtained by the reaction diformylhydrazineand p-aminophenol in dimethylformamide (DMF) under hydrothermal condition. The crystal structure of this compound was determined by FT-IR spectroscopy, NMR, elemental analysis and single crystal X-ray diffraction method. Crystallographic data for I was collected at 298 K. Th...