Band
Title
300.0 cm-1: νLT of (CO3)2- in K2Ca(CO3)2 - phase beta
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
νLT unknown translation (CO3)2- unknown
Characteristics summary
Peak position
(cm-1)
Center position
(cm-1)
Width
(cm-1)
Shape Asymmetry factor Peak intensity
(cm-1)
Peak intensity relative Peak strength Integrated intensity
(cm-2)
Integrated intensity relative Integrated strength Temperature
(K)
Pressure
(bar)
300 ± 1 - 100 ± 20 broad shoulder 0.01 vw 295.0 1
Label
νLT
Symmetry
unknown
Category
phonon mode

Evaluation

Level
partly assigned
Evaluation
undefined
# Multiplicity type Degeneracy Other band
1 unknown

Rotation modes

Label (type)
νL (libration)

Phonon modes

Label (type)
νT (translation)
Composition
pure beta-K2Ca(CO3)2, formed at 3GPa/975°C
Texture
crystal

Temperature

Temperature
295.0 ± 5.0 K

Pressure

Pressure
1 bar
Laser wavelength
532.0 nm
Sample orientation mode
unoriented
Method #1
spectrum measurement
Overlap
shoulder-tail
Peak
300 ± 1 cm-1 (peak)
Evaluation
validated
Quality
B
FWHM
100 ± 20 cm-1 (estimated)
Shape
broad shoulder
Evaluation
validated
Quality
E
Method
peak intensity
Relative intensity
0.01 ± 0.005
Strength
very weak (vw)
Evaluation
undefined
Quality
E