1
鈥?/p>
鏉愭枡绉戝涓庡伐绋嬪熀纭�
鈥?/p>
绗簩绔犱範棰?/p>
1.
閾佺殑鍗曚綅鏅惰優涓虹珛鏂逛綋锛屾櫠鏍煎父鏁?/p>
a=0.287nm
锛岃鐢遍搧鐨勫瘑搴︾畻鍑烘瘡涓崟浣嶆櫠鑳?/p>
鎵�鍚殑鍘熷瓙鏁般�?/p>
蟻
閾侊紳
7.8g/cm3 1mol
閾侊紳
6.022
脳
1023
涓?/p>
=55.85g
鎵�浠ワ紝
7.8g/1(cm)3=(55.85/6.022
脳
1023)X /(0.287
脳
10-7)3cm3
X
锛?/p>
1.99
鈮?/p>
2
锛堜釜锛?/p>
2.
鍦ㄧ珛鏂规櫠绯诲崟鑳炰腑锛岃鐢诲嚭锛?/p>
锛?/p>
a
锛?/p>
[100]
鏂瑰悜鍜?/p>
[211]
鏂瑰悜锛屽苟姹傚嚭浠栦滑鐨勪氦瑙掞紱
锛?/p>
b
锛?/p>
锛?/p>
011
锛夋櫠闈㈠拰锛?/p>
111
锛夋櫠闈紝骞舵眰鍑轰粬浠緱澶硅銆?/p>
锛?/p>
c
锛変竴骞抽潰涓庢櫠浣撲袱杞寸殑鎴窛
a=0.5,b=0.75,
骞朵笖涓?/p>
z
杞村钩琛?/p>
,
姹傛鏅堕潰鐨勫瘑鍕掓寚鏁般�?/p>
锛?/p>
a
锛?/p>
[2 1 1]
鍜?/p>
[1 0 0]
涔嬪す瑙?/p>
胃
锛?/p>
arctg
2
2
=35.26
銆?/p>
鎴?/p>
2
2
2
2
2
2
[211][100]
2
cos
3
2
1
1
*
1
0
0
飦?/p>
飥?
飥?
飥?/p>
飥?/p>
飥?/p>
飥?/p>
锛?/p>
35.26
飦?/p>
飥?/p>
锛?/p>
b
锛?/p>
2
2
2
2
2
2
[111][011]
2
cos
3
1
1
1
0
1
1
飦?/p>
飥?
飥?
飥?/p>
飥?/p>
飥?/p>
飥?/p>
锛?/p>
35.26
飦?/p>
飥?/p>
锛?/p>
c
锛?/p>
a=0.5
b=0.75
z
= 鈭?/p>
鍊掓暟
2
4/3
0
鍙栦簰璐ㄦ暣鏁帮紙
3 2 0
锛?/p>
3
銆佽绠楀嚭鑳借繘鍏?/p>
fcc
閾剁殑濉殭浣嶇疆鑰屼笉鎷ユ尋鐨勬渶澶у師瀛愬崐寰勩�?/p>
瀹ゆ俯涓嬬殑鍘熷瓙鍗婂緞
R
锛?/p>
1.444A
銆?/p>
锛堣鏁欐潗
177
椤碉級
鐐归樀甯告暟
a=4.086A
鏈�澶ч棿闅欏崐寰?/p>
R鈥?
锛?/p>
a-2R
锛?/p>
/2=0.598A