Bandlist
Raman bandlist of synthetic alpha-K2Ca(CO3)2 (Bütschliite)
Sub-Bandlist
Phonon modes
Band
68.0 cm-1: νLT (Eg) of (CO3)2- in K2Ca(CO3)2 - phase alpha
Band
80.0 cm-1: νT (A1g) of (CO3)2- & K⁺ in K2Ca(CO3)2 - phase alpha
Band
107.0 cm-1: νLT (Eg) of (CO3)2- & K⁺ in K2Ca(CO3)2 - phase alpha
Band
167.0 cm-1: νL (Eg) of (CO3)2- in K2Ca(CO3)2 - phase alpha
Band
225.0 cm-1: νT (A1g) of (CO3)2- in K2Ca(CO3)2 - phase alpha
Chemical function
- Name
- Carbonate anion
- Explicit name
- Carbonate(2-) anion
- Comments
- mineral anionic radical $(CO_3)^{2-}$
- Formula
- $(CO_3)^{2-}$
- Chemical formula
- (CO3)2-
- Structural formula
- [O-][C](=O)[O-]
- Charge
- -2
- Unpaired electrons
- 0
- Isotope mixture type
- terrestrial abundance