Near-infrared spectra of laboratory H 2 O – CH 4 ice mixtures

@inproceedings{Bernstein2006NearinfraredSO,
  title={Near-infrared spectra of laboratory H 2 O – CH 4 ice mixtures},
  author={Max P. Bernstein and Dale P. Cruikshank and Scott A Sandford},
  year={2006}
}
We present 1.25–19 μm infrared spectra of pure solid CH4 and H2O/CH4 = 87, 20, and 3 solid mixtures at temperatures from 15 to 150 K. We compare and contrast the absorptions of CH4 in solid H2O with those of pure CH4. Changes in selected peak positions, profiles, and relative strength with temperature are presented, and absolute strengths for absorptions of CH4 in solid H2O are estimated. Using the two largest (ν3 + ν4) and (ν1 + ν4) near-IR absorptions of CH4 at 2.324 and 2.377 μm (4303 and… CONTINUE READING

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