Methyl zinc

Formula: CH₃Zn
Molecular weight: 80.41
IUPAC Standard InChI: InChI=1S/CH3.Zn/h1H3;
IUPAC Standard InChIKey: BQWIWXUEEOBUTH-UHFFFAOYSA-N
CAS Registry Number: 42217-98-1
Chemical structure:
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Vibrational and/or electronic energy levels

State: C

Energy (cm^-1)	Med.	Transition	λ_min (nm)	λ_max (nm)	References


T_o = 36510	gas	C-X	260	274	Young, Gosavi, et al., 1973

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


a₁	2	CH₃ deform.	950	T	gas	AB	Young, Gosavi, et al., 1973

State: A

Energy (cm^-1)	Med.	Transition	λ_min (nm)	λ_max (nm)	References


T_o = 24082.82	gas	A-X	379	437	Young, Gosavi, et al., 1973
					Yu, Youngs, et al., 1986
					Robles, Ellis, et al., 1991
					Cerny, Tan, et al., 1993
					Barckholtz, Powers, et al., 1999

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


a₁	2	CH₃ deform.	1060	gas	AB LF	Young, Gosavi, et al., 1973 Jackson, 1990 Robles, Ellis, et al., 1991 Barckholtz, Powers, et al., 1999
	3	ZnC stretch	467	gas	LF MPI	Robles, Ellis, et al., 1991 Barckholtz, Powers, et al., 1999
e	6	HCZn deform.	749	gas	MPI	Barckholtz, Powers, et al., 1999

State: X

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


a₁	2	CH₃ deform.	1064		gas	EM LF	Ibuki, Hiraya, et al., 1990 Jackson, 1990 Robles, Ellis, et al., 1991
	3	ZnC stretch	445		gas	LF	Jackson, 1990 Robles, Ellis, et al., 1991
e	6	ZnCH deform.	315	T	gas	LF	Robles, Ellis, et al., 1991

Additional references: Jacox, 1994, page 230; Jacox, 1998, page 267; Jacox, 2003, page 249

Notes

Tentative assignment or approximate value

Energy separation between the v = 0 levels of the excited and electronic ground states.

References

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Young, Gosavi, et al., 1973
Young, P.J.; Gosavi, R.K.; Connor, J.; Strausz, O.P.; Gunning, H.E., Ultraviolet absorption spectra of CdCH3, ZnCH3, and TeCH3, J. Chem. Phys., 1973, 58, 12, 5280, https://doi.org/10.1063/1.1679141 . [all data]

Yu, Youngs, et al., 1986
Yu, C.F.; Youngs, F.; Tsukiyama, K.; Bersohn, R.; Preses, J., Photodissociation dynamics of cadmium and zinc dimethyl, J. Chem. Phys., 1986, 85, 3, 1382, https://doi.org/10.1063/1.451226 . [all data]

Robles, Ellis, et al., 1991
Robles, E.S.J.; Ellis, A.M.; Miller, T.A., Laser-induced fluorescence spectra of the cold radicals, ZnCH3 and CdCH3, and their inert-gas complexes, X«58872»CdCH3 (X = He, Ne, Ar, Kr, Xe), Chem. Phys. Lett., 1991, 178, 2-3, 185, https://doi.org/10.1016/0009-2614(91)87054-F . [all data]

Cerny, Tan, et al., 1993
Cerny, T.M.; Tan, X.Q.; Williamson, J.M.; Robles, E.S.J.; Ellis, A.M.; Miller, T.A., High resolution electronic spectroscopy of ZnCH3 and CdCH3, J. Chem. Phys., 1993, 99, 12, 9376, https://doi.org/10.1063/1.465521 . [all data]

Barckholtz, Powers, et al., 1999
Barckholtz, T.A.; Powers, D.E.; Miller, T.A.; Bursten, B.E., ZEKE Spectroscopy of the Organometallic Radicals MgCH, J. Am. Chem. Soc., 1999, 121, 11, 2576, https://doi.org/10.1021/ja9832461 . [all data]

Jackson, 1990
Jackson, R.L., Spectroscopy of the CH3Zn radical. Vibrational frequencies and electronic configurations of the X, Ã, and C states, Chem. Phys. Lett., 1990, 174, 1, 53, https://doi.org/10.1016/0009-2614(90)85325-7 . [all data]

Ibuki, Hiraya, et al., 1990
Ibuki, T.; Hiraya, A.; Shobatake, K., Photoexcitation of M(CH3)2 (M=Zn, Cd, Hg) compounds in the 106--270 nm region, J. Chem. Phys., 1990, 92, 5, 2797, https://doi.org/10.1063/1.457926 . [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]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]

Notes

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

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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