Table 3
Spectroscopic parameters X (MHz) of anti-n-propyl cyanide and first (ΔX) and second (ΔΔX) changes of low-lying vibrational states and parameters describing the interaction between ν18 = 1 and ν30 = 2.
| Parameter | ν= 0 | ν30 = 1 | ν30 = 2 | ν18 = 1 | ν29 = 1 | |||||
| X | ΔX | ΔΔX | ΔX | ΔX | ||||||
|
|
||||||||||
| A | 23 668 .319 3(14) | −810 .855(12) | 93 .495(77) | 738 .035(75) | −0 .702(137) | |||||
| B | 2268 .146 89(15) | 1 .451 97(7) | 0 .163 73(12) | 5 .158 11(20) | −2 .318 97(14) | |||||
| C | 2152 .963 95(17) | 5 .005 71(6) | 0 .158 67(29) | 1 .975 84(33) | −1 .495 34(14) | |||||
| DK × 103 | 240 .65(3) | −263 .6(80) | ||||||||
| DJK × 103 | −10 .826 3(9) | 0 .496 8(5) | 0 .138 0(12) | −0 .354 6(11) | 0 .092 4(9) | |||||
| DJ × 106 | 398 .67(7) | 7 .94(3) | −1 .80(8) | −0 .45(6) | ||||||
| d1 × 106 | −46 .64(4) | 1 .45(3) | −1 .14(9) | |||||||
| d2 × 106 | −0 .590(6) | 2 .416(24) | −1 .760(52) | |||||||
| HK × 106 | 2 .5 | |||||||||
| HKJ × 109 | 372 .4(24) | 63 .5(14) | 17 .a | 63 .1(39) | ||||||
| HJK × 109 | −20 .67(20) | |||||||||
| HJ × 109 | 0 .353(11) | |||||||||
| h1 × 109 | 0 .117(14) | |||||||||
| χaa | −3 .440(4) | |||||||||
| χbb | 1 .385(5)b | |||||||||
| χcc | 2 .055(5)b | |||||||||
| Interaction ν18 = 1/ν30 = 2 | ||||||||||
| E(302−18) × 10-3 | 1017 .98(61) | |||||||||
| F(18,302) × 10-3 | 36 .48(44) | |||||||||
| Gc(18,302) | 129 .32(16) | |||||||||
Notes. Watson’s S reduction has been used in the representation Ir. Ground state parameters are from Belloche et al. (2009) except quadrupole parameters which are from Vormann & Dreizler (1988). Numbers in parentheses are one standard deviation in units of the least significant figures. Parameters without uncertainties were estimated and kept fixed in the analyses. ΔX = Xν= 1 − X0; ΔΔX = Xν= 2 − X0 − 2ΔX.
Estimated value, see Sect. 4.2.3.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.