Chemical Properties of hydrogen iodide (CAS 10034-85-2)

hydrogen iodide

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InChI
InChI=1S/HI/h1H
InChI Key
XMBWDFGMSWQBCA-UHFFFAOYSA-N
Formula
HI
SMILES
I
Molecular Weight1
127.91
CAS
10034-85-2
Other Names
  • ANHYDROUS HYDRIODIC ACID
  • HYDRIODIC ACID
  • hydrogen iodide (HI)
  • hydrogen monoiodide
  • hydroiodic acid
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Physical Properties

Property Value Unit Source
ω 0.0490 KDB
PAff 627.50 kJ/mol NIST
BasG 601.30 kJ/mol NIST
μ 0.50 debye KDB
Δf 1.59 kJ/mol KDB
Δfgas [26.38; 26.50] kJ/mol Show Hide
Δfgas 26.38 kJ/mol KDB
Δfgas 26.50 ± 0.10 kJ/mol NIST
Δfus 1.84 kJ/mol Joback Calculated Property
Δvap 24.82 kJ/mol Joback Calculated Property
IE [10.30; 10.42] eV Show Hide
IE 10.39 ± 0.00 eV NIST
IE 10.38 eV NIST
IE 10.39 ± 0.00 eV NIST
IE 10.38 ± 0.01 eV NIST
IE 10.42 ± 0.01 eV NIST
IE 10.38 ± 0.02 eV NIST
IE Outlier 10.30 ± 0.10 eV NIST
IE 10.39 eV NIST
log10WS -0.96 Crippen Calculated Property
logPoct/wat 0.618 Crippen Calculated Property
McVol 36.680 ml/mol McGowan Calculated Property
Pc 8310.00 kPa KDB
Tboil 237.60 K KDB
Tc 424.00 K KDB
Tfus [222.15; 222.38] K Show Hide
Tfus 222.38 K KDB
Tfus 222.15 ± 1.50 K NIST
Vc 0.115 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [17.59; 18.91] J/mol×K [291.84; 494.21] Show Hide
Cp,gas 17.59 J/mol×K 291.84 Joback Calculated Property
Cp,gas 18.32 J/mol×K 325.57 Joback Calculated Property
Cp,gas 18.75 J/mol×K 359.30 Joback Calculated Property
Cp,gas 18.91 J/mol×K 393.03 Joback Calculated Property
Cp,gas 18.84 J/mol×K 426.75 Joback Calculated Property
Cp,gas 18.57 J/mol×K 460.48 Joback Calculated Property
Cp,gas 18.12 J/mol×K 494.21 Joback Calculated Property
η [0.0003901; 0.0006857] Pa×s [164.19; 291.84] Show Hide
η 0.0006857 Pa×s 164.19 Joback Calculated Property
η 0.0005914 Pa×s 185.47 Joback Calculated Property
η 0.0005258 Pa×s 206.74 Joback Calculated Property
η 0.0004779 Pa×s 228.02 Joback Calculated Property
η 0.0004415 Pa×s 249.29 Joback Calculated Property
η 0.0004130 Pa×s 270.57 Joback Calculated Property
η 0.0003901 Pa×s 291.84 Joback Calculated Property
ΔvapH 19.80 kJ/mol 238.00 NIST
ρl 2799.99 kg/m3 237.00 KDB

Correlations

Property Value Unit Temperature (K) Source
Pvap [49.31; 8245.03] kPa [222.38; 423.85] The Yaw... Show Hide
Equationln(Pvp) = A + B/(T + C)
Coefficient A1.40816e+01
Coefficient B-2.02965e+03
Coefficient C-2.30700e+01
Temperature range, min.222.38
Temperature range, max.423.85
Pvap 49.31 kPa 222.38 Calculated Property
Pvap 137.89 kPa 244.77 Calculated Property
Pvap 319.30 kPa 267.15 Calculated Property
Pvap 642.08 kPa 289.54 Calculated Property
Pvap 1158.65 kPa 311.92 Calculated Property
Pvap 1920.60 kPa 334.31 Calculated Property
Pvap 2974.87 kPa 356.69 Calculated Property
Pvap 4361.16 kPa 379.08 Calculated Property
Pvap 6110.53 kPa 401.46 Calculated Property
Pvap 8245.03 kPa 423.85 Calculated Property

Similar Compounds

Fluoroimidogen. zirconium oxide. Iodine oxide. Difluoroamino radical. Nitrogen trifluoride. Nitrogen fluoride, (E)-. (Z)-Difluorodiazene. Chlorodifluoroamine. Difluoramine. Chromium oxide. Trifluoroamine oxide. Tetrafluorohydrazine. Difluorocyanamide. Methane, bromodichloro-. Methane, dibromochloro-.

Find more compounds similar to hydrogen iodide.

Mixtures

Sources

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.

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