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Table 5

Spectroscopic parameters (in cm-1) for the bending states of 12C2HD resulting from the simultaneous fit of all rovibrational and rotational transitions involving levels up to v4 + v5 = 3a.

Parameter Parameter

517.402601(218) 2.115710(164)
676.1872194(422) 0.8520559(414)
–0.145264(162) 5.1617199(204)
0.7073464(602) 0.0386452(816)
–2.5974827(345) –0.1020513(272)
y 444 –0.0361132(273) 0.0220361(276)
y 555 0.03026153(794) 0.0399687(352)
y 455 0.0425917(215) –0.0497444(235)
y 445 0.0427392(230) 0.01898570(786)
1.558537(256) r 445 0.066625(144)
r 455 0.2376927(666) –0.02425307(715)
B 0 0.99152746042(798) γ44 × 103 –0.0803231(111)
α4 × 103 –2.6433354(162) γ45 × 103 –0.002734(103)
α5 × 103 –1.4813042(109) γ55 × 103 –0.11852215(598)
γ44 × 103 0.0320827(114) –1.15751(389)
γ45 × 103 –0.0254007(772) 2.4004(700)
γ55 × 103 0.02386750(325) –0.5481(311)
γ444 × 106 –0.13205(272) –2.4642(524)
γ445 × 106 2.0608(324) 2.9034(567)
γ455 × 106 0.2960(296) –2.47508(202)
D0 × 106 1.1348569(460) δ55 × 109 0.3352(113)
β4 × 106 0.0360515(446) δ44 × 109 –1.0216(230)
β5 × 106 0.0166603(420) δ45 × 109 1.0568(731)
δ44 × 109 –0.6920(160) δ55 × 109 –2.0961(255)
H0 × 1012 1.0517(533) h5 × 1012 0.2711(170)
h4 × 1012 0.8211(213)
4.3971804(145) –0.0396014(590)
3.4775451(139) –0.0229481(559)
q44 × 103 0.04117559(416) 0.3843(367)
q45 × 103 –0.0055881(646) 0.3524(376)
q54 × 103 0.0177668(890) –5.0405(982)
q55 × 103 0.04839697(402)
–0.016295(311) ρ55 × 109 8.740(197)
–0.018320(392) –3.082(119)
ρ44 × 109 3.844(155) –0.6290(815)
–1.744(191)
Number of IR data fitted 4828
Number of MW data fitted 168
St. dev. of the IR data/  cm-1 × 104 3.06
St. dev. of the MW data/kHz 19

Notes.

(a)

Estimated uncertainties (1σ) are given in parentheses in units of the last figure quoted.

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