Band
Title
1069.0 cm-1: ν1 (A1g) of (C18OO2)2- in K2Ca(CO3)2 - phase alpha
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν1 (A1g) A1g stretching sym. (C18OO2)2- 12C18O-2/3 no
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)
1069 ± 1 - - symmetric 0.0035 vvw 295.0 1
Label
ν1 (A1g)
Symmetry
A1g
Category
fundamental vibration

Evaluation

Level
fully assigned
Evaluation
validated
# Multiplicity type Degeneracy Other band
1 no

Vibration modes

Label (type)
ν1 (stretching sym.)       Bond: 12C18O-2/3
Comments
12C-18O symmetric stretch
Composition
pure alpha-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
moderately blended
Peak
1069 ± 1 cm-1 (various)
Evaluation
undefined
Quality
B
Shape
symmetric
Quality
undefined
Method
peak intensity
Relative intensity
0.0035 ± 0.0015
Strength
very very weak (vvw)
Evaluation
undefined
Quality
E