phy-4660/xrd/report/.Rhistory

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2017-04-18 09:45:23 +00:00
lambda=1.541e-10
lambda
theta=[14,30.5,42.5,12,20,16,22.5,34.5,46]
theta=(14,30.5,42.5,12,20,16,22.5,34.5,46)
theta=c(14,30.5,42.5,12,20,16,22.5,34.5,46)
theta
d = lambda / sin(theta) / 2
d
dmin = lambda / sin(theta-0.5) / 2
dmax = lambda / sin(theta+0.5) / 2
derr = (dmax - dmin)/2
derr
dmin
dmax
theta
theta=theta/2
theta
d = lambda / sin(theta) / 2
dmin = lambda / sin(theta-0.5) / 2
dmax = lambda / sin(theta+0.5) / 2
derr = (dmax - dmin)/2
derr
d
lambda
theta
sin(theta)
pi
theta=theta/180*pi
theta
sin(theta)
d = lambda / sin(theta) / 2
dmin = lambda / sin(theta-0.5) / 2
dmax = lambda / sin(theta+0.5) / 2
derr
d
lambda
lambda=1.541
lambda
d = lambda / sin(theta) / 2
dmin = lambda / sin(theta-0.5) / 2
dmax = lambda / sin(theta+0.5) / 2
derr
derr = dmax - dmin
derr
d
derr = (dmax - dmin)/2
d
derr
dmax
dmin
dmax = lambda / sin(theta+0.5/180*pi) / 2
dmin = lambda / sin(theta-0.5/180*pi) / 2
derr = (dmax - dmin)/2
d
derr
derr = (dmin - dmax)/2
d
derr
density=2.0
packing=0.6
6.32
avgdist = 6.32
weight = 12.011
weight = 1.99e-23
avgdist = 6.32e-8
weight/(avgdist^3)
weight/(1/3*avgdist^3)
weight/(1/2*avgdist^3)
packing*weight/(1/2*avgdist^3)
avgdist
packing*weight/((avgdist/2)^3)
packing
weight
volume=avgdist^3
vol
volume
avgdist = c(6.32,3.93,2.13,7.37,4.44,5.54,3.95,2.60,1.97)
avgdisterr = c(.45,.09,.05,.62,.22,.35,.17,.07,.04)
avgdisterr
avgdist
density = mass/volume
mass = weight
weight
volmin=(avgdist-avgdisterr)^3
volmin
avgdist
avgdist = avgdist*1e-8
avgdist
volmin=(avgdist-avgdisterr)^3
avgdisterr = avgdisterr*1e-8
volmin=(avgdist-avgdisterr)^3
volmin
volmax=(avgdist+avgdisterr)^3
volmax
mass
mass = 1.99442e-23
densitymin=mass/volmin
densitymax=mass/volmax
densityerr=(densitymax-densitymin)/2
density=densitymax-densityerr
density
densityerr
densityerr=(densitymin-densitymax)/2
densitymax
densitymin
density=densitymin-densityerr
density
densityerr
densitymin=mass/volmin/packing
packing
densitymax=mass/volmax/packing
densityerr=(densitymin-densitymax)/2
density=densitymin-densityerr
density
densityerr
knowndensity
knowndensity=2.0
densitydev = density/knowndensity
densitydevmin
densitydevmin = densitymin/knowndensity
densitydevmax = densitymax/knowndensity
densitydeverr = (densitymin - densitymax)/
densitydeverr = (densitymin - densitymax)/2
densitydeverr
density
densityerr
sqrt(3)
3.26/1.73
3.26*1.73
sqrt(4)
2.836*2
h=c(1,0,0,1,2,0,0,2)
k=c(1,0,2,1,2,0,2,2)
l=c(1,2,2,3,2,4,4,4)
spacing=c(3.258,2.826,1.997,1.700,1.629,1.411,1.261,1.152)
lattice=space*sqrt(h^2+k^2+l^2)
lattice=spacing*sqrt(h^2+k^2+l^2)
lattice
2theta
2theta = yp
2theta = 2
twothetameas=c(27.3689,31.6375,45.3846,53.8732,56.4297,66.1799,75.2911,83.9488)
twothetacalc=c(27.367,31.7.4,45.449,53.87,56.474,66.229,75.294,83.994)
twothetacalc=c(27.367,31.704,45.449,53.87,56.474,66.229,75.294,83.994)
twothetadev=twothetameas/twothetacalc
twothetadev
twothetadev=1-twothetadev
twothetadev
spacing
spacingrelerr=0.2/spacing
spacingrelerr
spacingrelerr*5.64
predspacing=c(3.26,2.82,1.99,1.70,1.63,1.41,1.29,1.26,1.15)
spacingdev=spacing/predspacing
predspacing=c(3.26,2.82,1.99,1.70,1.63,1.41,1.26,1.15)
spacingdev=spacing/predspacing
spacingdev
spacingdev=1-spacingdev
spacingdev
measint=c(8.7,100,64.3,2.2,20.2,8.7,22.5,16.2)
obsint=c(2.32,100,16.75,0.58,4.36,8.96,5.54,2.42)
devint=obsint/measint
devint=1-devint
devint
devint=obsint/measint
devint
measint
obsint
devint=1-devint
devint
.98*5.64
.98/5.64
.35/5.64
4.35-0.087
(4.35-0.087)/2
4.35 - (4.35-0.087)/2
measint
obsint
quit()