Secondary names

Gadolinium(3+);trioxido(trioxidosilyloxy)silane; GPS

6.0

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$Gd^{3+}$	Gadolinium cation	element	2	0.6666666666666666	1	constituent cation	main
	$(Si_2O_7)^{6-}$	Sorosilicate anion	chemical function	1	0.3333333333333333	1	anionic radical	main

Chemical functions

	Function	Number
	$(Si_2O_7)^{6-}$	1

Chemical bonds

	Bond	Number
	$\cdot (\cdot) Gd^{3+} \cdot O^{-}-$	6
	$\geq Si-O-$	2
	$\geq Si-O^-$	6

Class

normal salts (07)

Type

simple normal salts (07.01)

Phase name

$\alpha-Gd_2Si_2O_7$

Phase type

crystalline

Crystal system

orthorhombic

Crystal class

dipyramidal

Crystal class symbol

mmm (D2h)

Crystal spacegroup

Pnma

Refringence type

biaxial

Pure color

colorless

Color

colorless, white

Diaphaneity

transparent to translucent

Links

• The Materials Project
• Pub Chem: Gadolinium(3+);trioxido(trioxidosilyloxy)silane