SoUD SAre CRySTALLDGRA PH DATE
Iotnaduction
xsrallne sold unozm repearative sthuctue ian`Otop+c e e
ong ame Dlo soooth oluawageshapMP
epiuslauper.coseo Lguudl) Lhudlg oth ecopticnally high cDSit
shct anged ctnpic mgh claauae oo sarp MP
sutal ohauctue:Regulou peufodic awanganent DpatOn
Qcomsmoleuulog in Spoo
loice peihR : Reprejpntf posn_o atoms/nooloiule
niolatto lsaulel nek-lik auangment o latio pts: ohth
puavleA same iNundq auouod een 1atico_pon
BaiunL assembly e ctms/moleuula, ek asouamd th eachb
Latice pE to Jobm a couera SEutue
reprehens enle
latico Baatsacha) Crysta 8tnuure
U t oEdhe baift 3D cfauutue onnctftuting op atnas/mcleules,er ohth
P
loben 9apeareol dh al oliHecticng yields entire cyatal
BioVe colls Gontaîns aims/molocuke orly at lattice pohtr on corners
nonpimveiccntAîns atmsmalecules at6lac otber than onnerptS
BCC SfCc
8
Sinp oult Total ams pe anlt cou=
9 a/2
www.
oudlfhation DO= 6
Atomic packîng trechon O524
2
Or ahos per unur_U
94 a
CoorclintHon Dumberr 8
c k fraction 068
, a Tachion Valurae oCupieol bu aLu coshons
dotol velub ocdptsdo3 / PAGE No 2
DATE
Pcc
ToBal atm perunit cuu X
24/4alqol io
Coorclhoton no
Paoking fractbo 0- 0:
A Rean bha latfce cestant(a)2 Latice olenstla D)
aBlatice donsant= alsb lenga f He edge o the unE celL
CPort cley.
Dlathie Densila D oomoleculeA per und cel
Mmaleular oeiqn of a jpcududu
Dersittps Voluoe = a 3
Mass per uniE cou=Da 0
O Mass of ca pouticle= NA
Jotal mass n an unth cou nm/NA-
AomD L Das Dm D=DM Pon rormper formula
CNA ueadunolurghand
leiani ha con tept
M*le Todio Cbkl)
oteplope a costal stchare consisis ofol large no of paraue
equrdstant planes_pasng hmugh ctteaut lattfce pthese plaoes
a e eenoed a Jattico plane blain
A
B Tterptn latice plane
arder to olesionae the plae MI Loee mtrncduced TH descibes
eientaton of a partfcular gRen plane
MI Defihed as a smoauest poss fble nteqers wbth bave the same
atios Q he recprocalS of the plane mtercepts on 3 axel
Fauclielplanei_abich are CnskalloqrcLphicaly oquivalent h0ue
Rdnhcal NI Ee C111, C22)/023 >,C246), (3 64)/ee
(diea)
Intercep ts Redprocals LM NI