Table 1 spectral assignements and wavenumbers of main glycine IR bands in the 1,000–1,800 cm−1 region.

From: Constraining the preservation of organic compounds in Mars analog nontronites after exposure to acid and alkaline fluids

Wavenumber (cm−1)

Band assignment

This work

Reference

1033

1034

νCN, νCC

1113

1112

ρNH3

1130

1131

ρNH3

1311

1310

twCH2

1338

1334

ωCH2

1417

1413

νsCOO

1444

1444

δCH2

1507/1534

1505/1525

δasNH3

1590

1596

νasCOO

1625

1615

δasNH3

  1. ν stretching, ρ rocking, tw twisting, δ bending, ω wagging.
  2. Reference wavenumbers were taken from Rosado et al.42.
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