2-Phosphapropene, pentafluoro-

Formula: C₂F₅P
Molecular weight: 149.9872
IUPAC Standard InChI: InChI=1S/C2F5P/c3-1(4)8-2(5,6)7
IUPAC Standard InChIKey: OMJGOWSZBQAFCW-UHFFFAOYSA-N
CAS Registry Number: 72344-34-4
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.
Permanent link for this species. Use this link for bookmarking this species for future reference.
Information on this page:
Other data available:
- Gas phase ion energetics data
Options:
- Switch to SI units

Vibrational and/or electronic energy levels

State: X

Vib. sym.	No.	Approximate type of mode	cm^-1		Med.	Method	References


a'	1	C=P stretch	1365.3	vs	gas	IR	Burg, 1983 Ohno, Kurita, et al., 1987
	2	CF₂ a-stretch	1248.9	s	gas	IR	Burg, 1983 Ohno, Kurita, et al., 1987
	3	CF₃ a-stretch	1149.1	vs	gas	IR	Burg, 1983 Ohno, Kurita, et al., 1987
	4	CF₃ s-stretch	1095	w	gas	IR	Ohno, Kurita, et al., 1987
	5	CF₂ s-stretch	746	w	gas	IR	Burg, 1983 Ohno, Kurita, et al., 1987
	6	Mixed	737	w	gas	IR	Burg, 1983 Ohno, Kurita, et al., 1987
	7	Mixed	484	w	gas	IR	Ohno, Kurita, et al., 1987
	8	CF₃ a-deform.	470	w	gas	IR	Burg, 1983 Ohno, Kurita, et al., 1987
	9	CF₂ scissors	432	w	gas	IR	Ohno, Kurita, et al., 1987
a	13	CF₃ a-stretch	1134.5	m	gas	IR	Burg, 1983 Ohno, Kurita, et al., 1987
	14	CF₂ wag	551	w	gas	IR	Burg, 1983 Ohno, Kurita, et al., 1987
	15	CF₃ a-deform.	475	w	gas	IR	Burg, 1983 Ohno, Kurita, et al., 1987

Additional references: Jacox, 1994, page 382; Steger, Oberhammer, et al., 1986

Notes

Weak

Medium

Strong

Very strong

References

Go To: Top, Vibrational and/or electronic energy levels, Notes

Burg, 1983
Burg, A.B., Further study of the phosphorus(III) ylide CF3P:CF2: its isomeric dimers, the trimer, new diastereomers, and an NMR confirmation of structures, Inorg. Chem., 1983, 22, 18, 2573, https://doi.org/10.1021/ic00160a021 . [all data]

Ohno, Kurita, et al., 1987
Ohno, K.; Kurita, E.; Kawamura, M.; Matsuura, H., Gas-phase infrared spectra of the unstable phosphaalkenes CF2:PH, CF2:PCF3, and CH2:PC: the C:P stretching vibration and force constant, J. Am. Chem. Soc., 1987, 109, 19, 5614, https://doi.org/10.1021/ja00253a009 . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Steger, Oberhammer, et al., 1986
Steger, B.; Oberhammer, H.; Grobe, J.; Le Van, D., Reactive E:C (p-p) systems. 7. Gas-phase structures of perfluoro-2-phosphapropene, CF3P:CF2, and its cyclic dimer, (CF3PCF2)2, Inorg. Chem., 1986, 25, 18, 3177, https://doi.org/10.1021/ic00238a017 . [all data]

Notes

Go To: Top, Vibrational and/or electronic energy levels, References

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
Customer support for NIST Standard Reference Data products.