CCCBDB listing of experimental data page 2

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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	2189		Shim					SiH₂ s-stretch
2	A₁	1587							SiD₂ s-stretch
3	A₁	944							SiH₂ scissors
4	A₁	683							SiD₂ scissors
5	A₂	844							SiH₂ twist
6	B₁	2183							SiH₂ a-stretch
7	B₁	743							SiH₂ rock
8	B₂	1601							SiD₂ a-stretch
9	B₂	862							SiH₂ wag

Bond Type	Count
H-Si	2
D-Si	2

Atom 1	Atom 2
Si1	H2
Si1	H3
Si1	D4
Si1	D5

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							C_2v	1	2

State	Config	State description	Conf description	Exp. min.	Quadrupole (D Å)			Reference	comment	Point Group	Components
State	Config	State description	Conf description	Exp. min.	xx	yy	zz	Reference	comment	Point Group	dipole	quadrupole
1	1	¹A₁	C_2v	True						C_2v	1	2

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Experimental data for SiH2D2 (silane-d2)

Experimental data for SiH₂D₂ (silane-d2)