Benzene, 1,4-diiodo-
- Formula: C6H4I2
- Molecular weight: 329.9049
- IUPAC Standard InChI: InChI=1S/C6H4I2/c7-5-1-2-6(8)4-3-5/h1-4H
- IUPAC Standard InChIKey: LFMWZTSOMGDDJU-UHFFFAOYSA-N
- CAS Registry Number: 624-38-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Benzene, p-diiodo-; p-Benzene diiodide; p-Diiodobenzene; 1,4-Diiodobenzene; Benzene, 1,4-iodo-; 1,4-Diiodbenzene
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Condensed phase thermochemistry data
Go To: Top, IR Spectrum, Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔcH°solid | -739.3 ± 1.0 | kcal/mol | Ccb | Smith, 1956 | Reanalyzed by Cox and Pilcher, 1970, Original value = -738.8 ± 1.0 kcal/mol; ALS |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 38.425 | 298.15 | Ueberreiter and Orthmann, 1950 | T = 293 to 368 K. Equation only.; DH |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Gas Chromatography, References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Chromatography
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | HP-5 | 1448. | Tanabe, Mitobe, et al., 2000 | 30. m/0.32 mm/0.25 μm; Program: 50C(1min) => 20C/min => 150C => 10C/min => 280C(4min) |
| Capillary | DB-5MS | 1450. | Tanabe, Mitobe, et al., 1996 | 30. m/0.32 mm/0.25 μm; Program: 50 C(1min)->20C/min->200C->10C/min->280C (1.5min) |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Packed | SE-30 | 1412. | Buchman, Cao, et al., 1984 | He, Chromosorb AW, 40. C @ 10. min, 10. K/min, 210. C @ 30. min; Column length: 3.05 m |
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Packed | Carbowax 20M | 2176. | Buchman, Cao, et al., 1984 | He, Supelcoport, 40. C @ 10. min, 10. K/min, 210. C @ 30. min; Column length: 3.05 m |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 1412. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Carbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc. | 2176. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
References
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Smith, 1956
Smith, L.,
Corrected heats of combustion of organic iodine compounds,
Acta Chem. Scand., 1956, 10, 884-886. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Ueberreiter and Orthmann, 1950
Ueberreiter, K.; Orthmann, H.-J.,
Specifische Wärme, spezifisches Volumen, Temperatur- und Wärme-leittähigkeit einiger disubstituierter Benzole und polycyclischer Systeme,
Z. Natursforsch. 5a, 1950, 101-108. [all data]
Tanabe, Mitobe, et al., 2000
Tanabe, A.; Mitobe, H.; Kawata, K.; Sakai, M.; Yasuhara, A.,
New monitoring system for ninety pesticides and related compounds in river water by solid-phase extraction with determination by gas chromatography/mass spectrometry,
J. AOAC Int., 2000, 83, 1, 61-77. [all data]
Tanabe, Mitobe, et al., 1996
Tanabe, A.; Mitobe, H.; Kawata, K.; Sakai, M.,
Monitoring of herbicides in river water by gas chromatography-mass spectrometry and solid-phase extraction,
J. Chromatogr. A, 1996, 754, 1-2, 159-168, https://doi.org/10.1016/S0021-9673(96)00221-X
. [all data]
Buchman, Cao, et al., 1984
Buchman, O.; Cao, G.-Y.; Peng, C.T.,
Structure assignment by retention index in gas-liquid radiochromatography of substituted cyclohexenes,
J. Chromatogr., 1984, 312, 75-90, https://doi.org/10.1016/S0021-9673(01)92765-7
. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid ΔcH°solid Enthalpy of combustion of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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