gggggggg ggssgggggg gggg $$$$$$$$ $$ $$$$$$ $$$$ $$$$$$$$ $$$ $$$ $$ $$$$$$ gggg $$$$$$$$ $$$ $$$ $$ $$$$$$ $$$$ $$$$$$$$ $$$ $$$ i $$ $$$$$$ $$$$ $$$$$$$$ ggggg $$$gg$$$ gg $ mixing atoms with angles $$ $$$$$$ $$$$ $$$$$$$$ $$$$$gg$$$$$$$$ $$g$gg msd rmrs - msd@pangea ca $$ gggggg $$$$gg$$$i$$$$ $$$$$$$$$$$$$$$ $$$$$$ - -- --- -- - $$gg$$$$$$ $$$$$$$$$ $$$$ $$$$$$$$$$$$$$ggg$$$$$$i gg gg $$$$$$$$$$gg$$$$$$$$i $$$$ $$$$$$$$$P$$$$$$$$$$$$$$ $$$$$$ $$b 4$$$$$$$$$$$$$$$ $$$$gg$$$$$$$$P $$$$$$$$$$$$$$ $$ gS$$Gs d$$$ 4$$$$$$$$$$$$i S$$$$$$$$$$$P $$$$$$$$$$$$$$ d$$b dP 4$$$$$$T $$$ j $$$ $$$$$$$$$$$$$$$ $$$$ 4$ $$$ b gggSS$$ $ $$$$ggg $ $$$$$$$$$$$$$ d$b _ gS$$b $b $$ $ Qg $$$$$$$$$$ gg $ $ $b $$$ $$ $$g $$$$$$$$ qQ I gP g$b $$ $$$b $$$ $$$ 4$b 4$$ d$$ $$$ $$$$b $$$$$ $$$ 4$b gP g b $$$$$ $$$$b $$$$$ $$$$ g$P d$$ $$g $$$$$$ $$$$$b $$$$$$$ d$$$$$ g$$$ b $$ d$P $$$$g $$$$$$$b $$$$$$$$$$$$$$$$$gd$$$$$$ g$$$$ $ $ J$P $$$$$$g $$$$$$$$$$$$$SS GQ$$$$$$$ g$$$$$ $ T I _ P $$$$$$$$$$$D yg%#SS$$$$SS%q $$$$$bg$$$$$$ $$ $L $@g _ 4$$$$$$ gS$$$ 4b $$$$$$$$$ I $$$$g $$$$@g d$$$P g$ p gg $ $$$$$P gS$$ $$$$$ $$$$$$$$$ GP j$ gg $$ $b $$$$bggSS$$$$$$ $$$$$ 4$$$$ S$ %gggd i $$ $$ S$ $$$$$$$$$$$ $i $$$$$ j 4$$ S$$$$Sg $$$i$ d$$ b i$ $$$$$$$ $$ $$$$$b d$$b T l$$P 4$$b $$$P gg $ * $$ $$$$ $$ $$$$$$$$$$$$$$$$$ $S $$ $ j $$$$ $ $4 _ $$$ $$$bgggg $$$$$$$ $$$$$$$$ $S $$$ d$$ $gg$b g $$$i $$$$$$$$$$$$$$$$$ $$$$$ $$$$P j$$$T $$$ 4$$$$$b _ 4b g $$$$ $$$$$$$$ _ $$$$$ $$$$ d$$$b $$$$$$P $$$$$$$$P 4$b j$$$P $$$ j$ $$$$$b d$$$$ I$$$$b d Q$$$$ p q 4 4$ $$$P jP $P $ $$$$$$$$SS$$$$$$$ $$$$$ qg$$$$b _ $$yy$$ $b d$$$7 d$ $$ $$$$$ $$$ $$$$$$ $$$$$$$$$S% SS $$$$$$$ $b g$$ d$$$ $$P 4$ G$$b d$P $$$$b g$ $$$$$$ d$$$$$ $$ $$$$g $$S d$$$D#g _ @SS$$$ $$$$gg#$$$$$$$$ $ q $$$$$$Sggg@$$$$$$$$$$$@@@S $$$$$$$$ $$$$$$$$$$$$$$$ i $ $$$$$$$$$ $$$$$P g $$$$D d$$$$$$$$$$$$$$$ _ d$ $$$$$$$$$ Sg 4$$ $$$ $$ S$ i S$$$$ $$$$$ gS$D $$$$$D $$$ $$b G$$ $$$ $$$$$P gS$$$Sg 4$$ j$$P I$$$ gS $$$ $$ $Sg $$ $$$ $$$$ j$$ $$$$$$ $$ $$$b $$ $$$ $$$ $$ $$$ $$ $$$ $$$$ $$$g$$$$$$$ $ S$$$$$Sg $$ $$$ $$$ $$ $$$ $$ $$$ $$$i $$$$$$$$$$$$ $ I $$$$b $$ $$$ $$$ $$gg $$$ $$ $$$ $$$$ 4$$$$$$$$$$ j$ 4b $$$$$$ g$ 4b$$$ gD $$ g$$d$ $$$$ G$$$D dPi 4$g $$$$$$j$ $$$$ gS$ $$ $ $ gg $$$$ gS$$ $g g$P 4$$g d$$$$$$$ JG$$k $$ dG$$by*$$$ Qg jG$$$ $$$$ $$$$$g g$$P 4$$$y $$$$$$$ ggggg $ $$$$$ $ $ $$$$$ $$$$ $$$ y$$$P d gS$$b 4$$$$g $$$$ $$$$$ $ $ $$ $$$$ g$$$$P G$$$ $$$$$$b 4$$$$$g $D g$$$$ $$Sggggp j$ $gggggnqs$D g$$$$$P $$$ $$$$$$$b 4$$$$$$g g $$ d$ $$$$$$bgd$$$b d$$$$$g g$$$$$$$P gg $ $$$$$$$$b 4$$$$$ $$$$gd$$$y $$$$$$$$$$$$$$$$$$$$$$ 4$$$$P $$$$ $ $$$$$ 4D d$$$$$$$$$$$$b $$$$$ $$$$g$$$$$$$$$b 4P _ $$ $$ qgS $$$$$$$$$$ 4$$$b $$ j$$$P $$$$$$$$$$ Gsp $$ g$$$$$$$$ $g$b 4$$ $S $$$ $$$$$$$$g g $$$ $$$ $gS$$b 4b 4 d g$$$J $ $$l _ + _ $ $$$ gS$$$$$$$ J$$$$$$$$Sg _ _ * $$ $$$$b _ gS$$$$$$D G$$$$$$Sg - _ s $$$ $$$$$$$Sg J$$$$Q Q$$$$b q* _ $$$$ $$$$$$$$$ $ -s _ gS $$$$$$$$$$$$$$$$S$ G$$ _ Q$ $$$$$$$$$$$$$$$$ d gD 4$$$ * q b g $P _ $ $$$$$$$$$$$$ j$$b _ _ gS$$ $$$ $$Sg _ _ d$$b _ Q$H$ $$$$$$$$$ $$$$$$$$$$$$$$$ d$bd$$ d$b I $$$$$ 4$$ -s!G$D gS g $$$$$$$ $$$$$$$$$$$i$ 4$$$$$$P $$ j j %S$$$S $$$$$Sg $$$$$$g $$$$$$$$ $ GD $ $g%S$$S $$i$g%G$ $$$I$$$$$$$$b%$$$$$$$g $$$$$ i I d$ $$$g%S$$ G$$$$$$$$$$$$$$$$$$g 4$i + 4$$i g%S$ $ $$$$$$k $ i p $ g%S$$$ ggg%%%SS$$$$$ $S4$ $ $ i$$ gG $$$$$$$$$$$$$$$$$$ yPl$$ $ iSl lg $b _ _ Q$ $$$$$$$$$$$$$ g$$ $$ i $ i I$ $$ 4$i $D 4g $ _ $$$$$$$ g$$$P $$$ $ $$ $$ j$$ l$ $$ $$ _ _ * $$ g$$$$$ $$$ 4 $b $$ $ $$ $$ j$$ - _ + g$$$$$$P $$$$ gS$Sg b $b _ $$ $$ gS$$$$D g$$$$$$$$ G$ $$$$$$$ iG* $g $$ j$$ $$$P _ + _ g$$$$$$$$$P gSSg $$$b$ gSSg b $$ $$$$ $$$b _ g$$$$$$$$$$$ $$$$$$$g $ $ g$$$$$$$ dD $$$ 4$$$$$$$$SSS##gg _ $$$$$$$$$$P S$$$$$ Q $$$$S G $$$$ G$$$$$$$$$$$P $$$$$$$$$ $D _ g%@P 4#%g _ 4$ q$$ d$P $$b $$$$$$$ g@S$$$S $$$$$$$P i G$$$$$$D $$$ 4$$$$$D $$ $ $$$g $$$$ d$$$$$$$$ $$$$$$ $$ $$$$D $$$$$ 4$$$$ $$$b $$P $g $$$j$$$$$$$$$ $$$$P j$$$b g$ $$$$$$$ b d$$ $$$@g $$ Qg $$$$$$$$$$$$$ $$$ $$$$Q g$ G$D j$ $$ $$ $ y q 4$$$$$$$$$$$ $P $$D p j%ggg g$$ $$ _ g$ $$L g$g 4$$$$$$$$$ j j$ $P $ j$$ $$$$%%@S _ $$ $$$$$$ $$$$$$$ g$$$ j$ $Sg $$ $g$$ gg##SS$$$$$ $$$ $$$$$$$$g $$$$ d$$$$$$ P J$$$$ $$ $$ G$P $$$$ $$$$ 4$$$$$$$$$g $ Sg G$$$$$ d $$$$$ $$P _ g%+ 4$g p * $$$$$$b $$$$$$$$$$g $$ j $#%g _ $$$$$ P $ g$i b 4$iP q 4$$$$$$$$$D* $$$$$$$$$$#g i$$$$ j gP jP 4g Q _gS$D _ G$$$$$$$$ j jGg j$ gS$$Sg $ b P * q $$$$ $ $$%g%SS$$SS p $ $$$$$$$b _ $j _ gG+ 4b $ $$$$$$$$$$$P 7 j $$ $ q SS$$SS $ G$$$$$$$ $b $$ _ P 4$$ $ l l 4$$ $ 4$$SS$$Q$ $ P _ - L L 4 $ $ b 4$$$$ys $ P j $b $ 4 $i l$b $b $$gg j$ j$ $ d$ l $ $b $i I4$$ i $ $$$g j $$i_ i JP j$ $ $$g b $ $$$b$$$ g$ 4$$$g$Sg I $L $S$ $ d $ $$P j $$ i $$$$$P G bg$$$i$$$$$ $b$ $ 4 $$ P $$ $$$$b $S $ $P g j$$$$I T$$$$$ $$b $b $P P $$$$%$$$$$P gL $I i jb $$ j$P Q$D S$$ i$ P $$$$$$$$P d$$$ $ $$b4$ d$$Sg gS$$$$ j gd _ $$$$$$P d$$$$P 4$ G$$$$d$$$$$$$$$ $$$$$$$ 4 $ $$$$$ d$$$$P d $$$$$$$$$$$$D $$$$$ 4P $ $$$$ $$$$$P d$$$I d$$$D j d p $ $$$$$$@$$$$$$ d$$$$T j$$b 4$S#%%@S$$ 4$ Q $ J$$$$$D $$$$$P $$ i $$ $ ggggggggp jgggggggg $$$$$$$$ 4$$$ ggg j$$b d $$ $ $$$$$$P d$$$$$$$$$ $$$$$$P $ d$$$$$$$$$b Ig$$P 4D j G $ $$$$7 g 4$$$$i$ I$$$$ d $$$$$$$$$$$$$ $$ J $$ b u $ $$$$ d$$$b 4$$ $$$$ g$$$ $$$$$$$$$$$$$$ $b d d$$$ $$ _ $ $$$$bg%$$$$$$$$b d$ $$$ $ $$$$$$$S$$$$$$$ d$$$$$ $$ $$$ $ $$ $$$$$$$$$$$$$$$ d$$$$b b _ Q$$$$$$$$$$$$ _ S$$$$$$$$ $$ $$$ $$ $$$$$$$$$$$$$ d$$$ $SS%%T$$$$$$$ $ $$$$$$$g$$ $$$ gg$$ $$$$$$$$$$$ d$$$P j Gg $$$$$$$$$$$$ *o _ 4$$$$$$$ $$$ $$$$ $$$$$$$$$ d$$$$$ $$$$$$g $$$$$$$bgg $ * 4$$$$$ $$$ $$$$ $$$$$$$ d$$$ Gb _ $$$$$$$$$$$$g G$$$$$$b _ $$$$ $$$g$$$S $$$$$ d$P Sa l$$$$$$$$$$$$$$$$$$Sg 4$$$$$P q$ $$$ $$$$$$$S $$$ d$$ gg 4b $$$$$$$$$$$$$$$$$$$$$b $$$$$bgd$l $$$gg$ GST T d$$$ $$$$$$$$Dg $$$$$$$$$$$$$$$$$$$$$$$ $$$$$$$$ $ $$$$ gS$$g i d$$$$ 4g 4 T$$$$$$$$$$$$$$$$$$$$$$ $$$$$$$$ $$$$$ 4 $$$$$$ @$$ _ 4g $ I$$$$$ $$$$ $$$$$$$ $$$ $D $$$ G$$Sg $$$$$ $$$ $$$g 7 $$ $ $ j $$p $$$ j$$$$$$ l $$$ $ $$ S$ $ $ $ $ $ $ $ $9 j$$$$ 4$$ d$ $ _ + $ i$ $gg$ $ $ $ $gg$ $ $ $$$$$$$$ G$$$$ $ g $ $$$$ $gg$ $ $$$$ $ $$$$$$$$$ $$$$$ $ $ $gg$$ $gg$$$$gg$ng$$ $gp $$$$$ 4$$$ $ $ * #Q$$ Sg $D $g$ $$$$$$$$g$ $gg G$ 4$ G $ $ d$$ 4$$$$ $$$$$P gS$%$$$$$$$$$$$$$y$$$gSg $ $ $$ jP j$$$$L 7$$$ $$$$$$$$$$$ $i$$$$$$ $$$$$$$ $ gP $S%gg%S$$$ j$ p $$ $$$$$$$$$$ $S$ $$$$$ $$$$$$$$ g$ $$$$#g p* $$$$$$$$$$ $ T$$S d G$$$gb $ y$$$$$ $D $$$g$$$$$$$$ $P 4$$ $$ j jP 4$b j$$$$SS@%g $b b Q$ $gTy g@SSS$$$b $$$$$$$$$$$$ $ $$gg g g$i $ d$ G$$$$b qg$$$$$ j$$$$$$$$$$$ $b d$ $$$$ $$ $ q@GP jP 4L 4$ 4$$$$g $$$$$ $ - $$$ $$ j$ d$ _ g@@$P $ S#%g $$b gS$Sg 4 $$$$$g$ggggg gl $b dD d$$$$ $$$$$P $$$y$bg$$$$$$ $$$$$$b $$$$$$$b P $P 4$$$$$$$b 4$$ G$$$$P JP $$$T$ d$$ $$ $$y 4$$ J$$$$$$$$$ q $b d$$$$$$$b4g gSb P $P l j$$ $b i4b +q$$$$$$$$$$ $ $$$$$$$$$$$$$b 4b $ d$ j$$ $$$ 4$$b 4$b 4$P 4$$D $ $$$$$$$$$$$$b Sg j$$ $$$ gggP $$b $ 4 g $ $g$ $$$$$$$$$$$P $$$b q%S$b $$$$g $$$$ i gggp d$$$b 4 $g$ $$$b $$$$$$$P d$$@gg $$$$$$g 4G$ $ $$i j$$ P j$ d$$$ $$$P gS$ $$$ $$$$b $$$Pj$$$$$$$ $b $D d$$%%$g$$$S%y$$g $$Gsg $$$$ d$$P d$$$$ $$$g g$$$$$b J $$$$$b4$$ Jg g$$$$$$$$$$$ $$$$b G$$ $$ db 4$$g$$$ $$$$$$$$b G$b $ $$$$$$$$$$P g * 4$g d$g$g$$$ d$$$$$$$gg $$$$$$$$P 4b b $ $P g $$$$ g$$$g 4$$ $ $$$$$$$$$$ $$$$$$$$ d$$ $$$b $$b $$ $$$$ d$$$$$$$$b g S$$$$b $$$$$$$$$ g$$$$$$$$bg$$ $$$$$$$$$S $g$$$$$$$ jP 4$$$$$$$$d$$$$$$$$$$$b $$$$$$$$ $$$$$$$$$$$$$$b d$$$$$$$$$$ $$$$$$$$I $ $$$$$$$$$$$$$$$$$$$$$$d$$$$$$$ $ $$$$$$$$$$$$$$$$$$$ $ j$$ gggggggp+ + $ $ $$ $ $g gL g S $@g $ $$$ j $$ 4$P j g@$ S$ $ gS$Sn 4$$ $ $ g g$$P $b 4$ g ggy zg 4$P b 4 g _ $$ g $$$ gp $ $ $ $$$ j$$ $b P gg $g$$ $$ $$b j$ ggg $$$ b $P 7 $$$ $$ d$ - j P j - $ g$$$ $ J$$$ G#gp gd$ _ $ $$$ $$ $b _ J$ j 4 jP 4 q$b $$$ $$$gg$$$$$Sg $ $ g#$b $$$ $$I $$ $ $$$b 4$ l gg g $ $ ggg $$i $$ i $ $ i I gg $$ $g _ i $ $ $ _ gg g _ _ gg _g _ $ _ gggg J$$P 4$$$$$ d$$P 4$$$Sg J$$P 4$$Sg j$$$T $$$ _g$ t j$$$T $$$$ $$$$ a $$$p g!$ gS$$ $$$$ o $$$ ib d$$$b $b _ d$$$$ ib d$ $$$P _ gn**gg -+ _ gg _g _ mixing atoms J$$P $$$*n q d$$P $$$g with angles j$$$T $$$ 4$$Sg 4#g $$$$ $$$$ g!$ s $$$$ ib m $$$$P $$b _ d$$$$ d$ $D ---------- 200----------------------------------------