CCCBDB listing of experimental data page 2

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Property	Value	units	Reference
Hfg(298.15K)	615.05	kJ mol^-1	webbook
Hfg(0K)		kJ mol^-1	webbook
Entropy (298.15K)	236.73	J K^-1 mol^-1	webbook

Mode Number	Symmetry	Frequency			Intensity			Comment	Description
Mode Number	Symmetry	Fundamental(cm^-1)	Harmonic(cm^-1)	Reference	(km mol^-1)	unc.	Reference	Comment	Description
1	A₁	1746	1757	1991But/Roh:1-8
2	A₁	841	844	1991But/Roh:1-8
3	B₂	196		1991But/Roh:1-8

Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
rCC	1.265		2	3			1988Bre/Dub:399-405
rCSi	1.836		1	2			1988Bre/Dub:399-405
aCSiC	40.29		2	1	3		1988Bre/Dub:399-405

Atom	y (Å)	z (Å)
Si1	0.0000	0.7956
C2	0.6324	-0.9282
C3	-0.6324	-0.9282

	Si1	C2	C3
Si1		1.8362	1.8362
C2	1.8362		1.2648
C3	1.8362	1.2648

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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State	Config	State description	Conf description	Exp. min.	Dipole (Debye)				Reference	comment	Point Group	Components
State	Config	State description	Conf description	Exp. min.	x	y	z	total	Reference	comment	Point Group	dipole	quadrupole
1	1	¹A₁	C_2v	True			2.393	2.393	1989Sue/Lov:L103-L105	MB μ₀ +-0.006 D	C_2v	1	2

squib	reference	DOI
1988Bre/Dub:399-405	H Bredohl, I Dubois, H Leclercq, F Melen "Rotational Analysis of the 000-000 and 010-000 Bands of Sic2" J. MOL. SPECT. 128,399-405 (1988)	10.1016/0022-2852(88)90156-7
1989Sue/Lov:L103-L105	RD Suenram, FJ Lovas, K Matsumura "Laboratory Measurement of the 1₀₁-0₀₀ Transition and Electric Dipole Moment of SiC₂" Astrophysical J. 342, L103, 1989	10.1086/185495
1991But/Roh:1-8	TJ Butenhoff, EA Rohlfing "Laser-induced fluorescence spectroscopy of jet-cooled SiC2" J. Chem. Phys. 95, 1 (1991)	10.1063/1.461476
webbook	NIST Chemistry Webbook (http://webbook.nist.gov/chemistry)	10.18434/T4D303

Bond Type	Count
C-Si	2
C#C	1

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Experimental data for SiC2 (Silicon dicarbide)

Experimental data for SiC₂ (Silicon dicarbide)