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Experimental data for CH3CHClCH3 (Propane, 2-chloro-)

22 02 02 11 45
Other names
2-Chloropropane; 2-Propyl chloride; Chlorodimethylmethane; iso-C3H7Cl; Isoprid; Isopropyl chloride; Narcosop; Propane, 2-chloro-; sec-Propyl chloride;
INChI INChIKey SMILES IUPAC name
InChI=1S/C3H7Cl/c1-3(2)4/h3H,1-2H3 ULYZAYCEDJDHCC-UHFFFAOYSA-N CC(C)Cl 2-Chloropropane
State Conformation
1A' CS
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation -144.80   kJ mol-1 TRC
Hfg(0K) enthalpy of formation -124.30   kJ mol-1 TRC
Entropy (298.15K) entropy 306.05   J K-1 mol-1 TRC
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 16.95   kJ mol-1 TRC
Heat Capacity (298.15K) heat capacity 87.56   J K-1 mol-1 TRC
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference
1 A' 3005   1970Kla:87      
2 A' 2955   1970Kla:87      
3 A' 2927   1970Kla:87      
4 A' 2878   1970Kla:87      
5 A' 1472   1970Kla:87      
6 A' 1454   1970Kla:87      
7 A' 1390   1970Kla:87      
8 A' 1270   1970Kla:87      
9 A' 1163   1970Kla:87      
10 A' 1065   1970Kla:87      
11 A' 888   1970Kla:87      
12 A' 633   1970Kla:87      
13 A' 418   1970Kla:87      
14 A' 336   1970Kla:87      
15 A' 253   1970Kla:87      
16 A" 2997   1970Kla:87      
17 A" 2985   1970Kla:87      
18 A" 2947   1970Kla:87      
19 A" 1472   1970Kla:87      
20 A" 1454   1970Kla:87      
21 A" 1377   1970Kla:87      
22 A" 1334   1970Kla:87      
23 A" 1123   1970Kla:87      
24 A" 972   1970Kla:87      
25 A" 936   1970Kla:87      
26 A" 317   1970Kla:87      
27 A" 276   1970Kla:87      

vibrational zero-point energy: 20148.5 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for CH3CHClCH3 (Propane, 2-chloro-).
Gas-phase IR spectra can be found in the NIST Chemistry Webbook here.
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
0.26912 0.15247 0.10699 1963Tob/Sch:1014

Calculated rotational constants for CH3CHClCH3 (Propane, 2-chloro-).
Product of moments of inertia moments of inertia
1091217amu3Å6   4.996649799438E-114gm3 cm6
Geometric Data
picture of Propane, 2-chloro-

Point Group Cs


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4
rCC 1.522   2 3 1963Tob/Sch:1014
rCCl 1.798   1 2 1963Tob/Sch:1014
rCH 1.091   2 5 1963Tob/Sch:1014 on Cl carbon
rCH 1.092   3 6 1963Tob/Sch:1014 methyl
aCCC 112.7 3 2 4 1963Tob/Sch:1014
aCCCl 109.4 1 2 3 1963Tob/Sch:1014
aHCC 109.9 3 2 5 1963Tob/Sch:1014 to H on middle
aHCC 110.9 2 4 9 1963Tob/Sch:1014 CH3 alpha
aHCC 109.7 2 3 6 1963Tob/Sch:1014

Cartesians
Atom x (Å) y (Å) z (Å)
Cl1 1.2286 0.0000 0.0409
C2 -0.5128 0.0000 -0.4021
C3 -1.1695 1.2666 0.1222
C4 -1.1695 -1.2666 0.1222
H5 -0.5303 0.0000 -1.4929
H6 -2.2184 1.2891 -0.1796
H7 -2.2184 -1.2891 -0.1796
H8 -0.6664 2.1546 -0.2588
H9 -0.6664 -2.1546 -0.2588
H10 -1.1136 1.2833 1.2203
H11 -1.1136 -1.2833 1.2203

Atom - Atom Distances bond lengths
Distances in Å
  Cl1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11
Cl1   1.79692.71332.71332.33373.68683.68682.88502.88502.91952.9195
C2 1.7969   1.52001.52001.09092.14952.14952.16482.16482.15412.1541
C3 2.71331.5200   2.53322.14971.09172.77901.08943.47891.09962.7769
C4 2.71331.52002.5332   2.14972.77901.09173.47891.08942.77691.0996
H5 2.33371.09092.14972.1497   2.49722.49722.48672.48673.05753.0575
H6 3.68682.14951.09172.77902.4972   2.57821.77883.77811.78333.1301
H7 3.68682.14952.77901.09172.49722.5782   3.77811.77883.13011.7833
H8 2.88502.16481.08943.47892.48671.77883.7781   4.30921.77393.7692
H9 2.88502.16483.47891.08942.48673.77811.77884.3092   3.76921.7739
H10 2.91952.15411.09962.77693.05751.78333.13011.77393.7692   2.5666
H11 2.91952.15412.77691.09963.05753.13011.78333.76921.77392.5666  

Calculated geometries for CH3CHClCH3 (Propane, 2-chloro-).

Experimental Bond Angles (degrees) from cartesians bond angles

atom1 atom2 atom3 angle         atom1 atom2 atom3 angle
Cl1 C2 C3 109.491 Cl1 C2 C4 109.491
Cl1 C3 H5 55.920 C2 C3 H6 109.689
C2 C3 H8 111.043 C2 C3 H10 109.581
C2 C4 H7 109.689 C2 C4 H9 111.043
C2 C4 H11 109.581 C3 C2 C4 112.876
C3 C2 H5 109.753 C4 C2 H5 109.753
H6 C3 H8 109.282 H6 C3 H10 108.941
H7 C4 H9 109.282 H7 C4 H11 108.941
H8 C3 H10 108.263 H9 C4 H11 108.263

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
C-C 2
C-Cl 1
H-C 7

Connectivity
Atom 1 Atom 2
Cl1 C2
C2 C3
C2 C4
C2 H5
C3 H6
C3 H8
C3 H10
C4 H7
C4 H9
C4 H11
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A'

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
10.780 0.020     webbook
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 1A' Cs True       2.170 NSRDS-NBS10 DR Cs 2 3
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for CH3CHClCH3 (Propane, 2-chloro-).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 1A' Cs True       Cs 2 3

Calculated electric quadrupole moments for CH3CHClCH3 (Propane, 2-chloro-).

References
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squib reference DOI
1963Tob/Sch:1014 Tobiason, Schwendeman, Microwave Spectrum, Molecular Structure, and Quadrupole Coupling Constants of 2-Chloropropane, J. of Chem. Phys., Vol. 40, #4, pgs. 1014-1021 10.1063/1.1725240
1970Kla:87 Klaboe. The Vibrational Spectra of 2-chloro, 2-bromo, 2-iodo, and 2-cyanopropane. Spectrochimica Acta. Vol. 26A. pgs. 87-108. 10.1016/0584-8539(70)80253-7
NSRDS-NBS10 R. D. Nelson Jr., D. R. Lide, A. A. Maryott "Selected Values of electric dipole moments for molecules in the gas phase" NSRDS-NBS10, 1967 10.6028/NBS.NSRDS.10
TRC Frenkel, M; Marsh, K.N.; Wilhoit, R.C.; Kabo, G.J.; Roganov, G.N.,Thermodynamics of Organic Compounds in the Gas State,Thermodynamics Research Center, College Station, TX, 1994  
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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