trigonal crystal system 三方晶系 ; 三角晶系 ; 三角形的
trigonal system [晶体] 三方晶系 ; 三角晶系 ; 三角对称
trigonal planar molecule 三角锥形分子 ; 叁角锥形分子
trigonal lattice [晶体] 三方晶格 ; 三角系点阵
trigonal reflector antenna 三角反射旗线
trigonal trapezohedron 三方偏方面体 ; 三方偏方八面体
trigonal bipyramide 三方双锥
trigonal pyramid 三方锥
ADJ → same as triangular
所以它是三角形金字塔。
The shape is actually trigonal pyramidal.
它的形状是三角金字塔形。
A trigonal bipyramid has three equatorial and two axial positions.
一个三角双锥体有三个赤道位和两个轴向位。
So it's trigonal because we have these three atoms that are bound to the central atom here, and if you picture it, it's actually shaped like a pyramid.
这里三角形是因为,我们有3个原子核中心原子成键,如果你画它,它就是金字塔形的。
So what we'll have here is a trigonal planar case, and you can see that we only have three electrons that are set for bonding, so we'll add three hydrogens, and for b h 3, we'll get a stable structure here.
让电子劲量远离的时候,不用考虑它,这个例子是平面三角形,你可以看到,只有3个电子可以成键。
So again, if we think about that shape of that carbon atom, it's going to be trigonal planar, 120° it's going to have bond angles of 120 degrees, because we have this set up of having three hybrid orbitals.
如果我们考虑碳原子的形状,它是平面三角形,键角是,因为我们有这三个杂化轨道。
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