Band
Title
1067.0 cm-1: ν1 (A1g) of (C18OO2)2- in Calcite
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)
1067 ± 1 - 2 ± 0.3 undefined 0.006 vw 0.0055 vw 295.0 1
1067.5 ± 0.5 - 1.7 ± 0.2 undefined 0.008 vw 0.01 vw 80.0
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
Texture
single crystals and powders

Temperature

Temperature
295.0 ± 5.0 K

Pressure

Pressure
1 bar
Laser wavelength
514.5 nm
Sample orientation mode
unoriented
Method #1
various
Overlap
isolated
Peak
1067 ± 1 cm-1 (various)
Evaluation
validated
Quality
B
FWHM
2 ± 0.3 cm-1 (various)
Shape
undefined
Evaluation
undefined
Quality
B
Comments
in the low frequency wing of the 1086.5 cm-1 band
Method
various
Relative intensity
0.006 ± 0.0025
Strength
very weak (vw)
Evaluation
undefined
Quality
E
Method
various
Relative intensity
0.0055 ± 0.002
Strength
very weak (vw)
Evaluation
validated
Quality
E
Texture
single crystals and powders

Temperature

Temperature
80.0 ± 5.0 K
Laser wavelength
514.5 nm
Sample orientation mode
unoriented
Method #1
unknown
Overlap
isolated
Peak
1067.5 ± 0.5 cm-1 (unknown)
Evaluation
validated
Quality
A
FWHM
1.7 ± 0.2 cm-1 (unknown)
Shape
undefined
Evaluation
undefined
Quality
A
Comments
in the low frequency wing of the 1087 cm-1 band
Method
other
Relative intensity
0.008 ± 5.0e-04
Strength
very weak (vw)
Evaluation
validated
Quality
C
Comments
from integrated intensity
Method
fit integrated intensity
Relative intensity
0.01 ± 0.005
Strength
very weak (vw)
Evaluation
validated
Quality
E