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the claim
Color intensity in transition metal complexes is governed by the molar extinction coefficient and selection rules.
the verdict
COMMON KNOWLEDGE
no citation needed for this one
refutedsupported
the weight of evidence
no sources on either side

The relationship between color intensity in transition metal complexes, molar extinction coefficients, and selection rules is a foundational principle of coordination chemistry and does not require citation.

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The analysis

The claim states a fundamental concept in coordination chemistry regarding the determinants of color intensity in transition metal complexes (molar extinction coefficients and selection rules like Laporte and spin selection rules). This is a textbook principle of chemistry taught at the undergraduate level, making it common knowledge. Consequently, no empirical papers are required to support or refute it.

Everything we examined (12)
  1. In-Plane Propagation of Light in Transition Metal Dichalcogenide Monolayers: Optical Selection Rules.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  2. Nanomaterials at the forefront of antimicrobial therapy by photodynamic and photothermal strategies.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  3. Intra-Configurational Spin-Flip d → $ \to $ d Transition of Mo (III) Doped Perovskite for Ultra-Narrow Near Infrared-II Emission in Ambient Conditions.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  4. Spin-statistic selection rules for multiphoton transitions: Application to helium atomspeer-reviewedno side takennot shown: read and judged not to bear on this claim
  5. Mn<sup>2+</sup>-Activated Alkali Lithooxidosilicate Phosphors as Sustainable Alternative White-Light Emitters.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  6. Pigments and Near-Infrared Phosphors Based on Mn<sup>5</sup>.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  7. Coordination Chemistry at the Hard-Soft Interface: Phosphine Oxide-Based Rare Earth/Transition Metal Complexes.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  8. UV-vis-NIR magnetic linear dichroism: a powerful complement to MCD for f-block electronic structure.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  9. Infrared Multiple Photon Dissociation Spectroscopy of the H-H Stretching Mode and Low-Lying Electronic Transitions in Fe&lt;sup&gt;+&lt;/sup&gt;(H&lt;sub&gt;2&lt;/sub&gt;)&lt;sub&gt;1,2&lt;/sub&gt; and Fe&lt;sup&gt;+&lt;peer-reviewedno side takennot shown: read and judged not to bear on this claim
  10. Targeting Triple Negative Breast Cancer with a Dinuclear Copper(II) Thiocarbohydrazone Complex: Efficacy Evaluation and Cellular Response.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  11. MALDI Matrix: Origins, Innovations, and Frontiers.peer-reviewedno side takennot shown: read and judged not to bear on this claim
  12. ZnSe Quantum Dots: Determination of Molar Extinction Coefficient for UV to Blue Emitterspeer-reviewedno side takennot shown: read and judged not to bear on this claim
The paper trail · every fact has a biography
first checked05 Aug 2026
judged → COMMON KNOWLEDGE · 9505 Aug 2026
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