Electronic structure of PrO: An analysis summary
Electronic structure of PrO: An analysis summary
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DOI：
10.1016/0022-2852(85)90124-9
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发表时间：
1985-09
影响因子：
1.4
通讯作者：
M. Dulick;R. Field
中科院分区：
文献类型：
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作者：
M. Dulick;R. Field
本文研究了X、XI和XVI至XXII系统在500-800 nm波长范围内的9个主要电子跃迁的(0，0)带。记录和分析了系统XVI至XXII的高精度(±0.005 cm−1)、多普勒受限、选择性检测的连续染料激光荧光激发光谱。这些转变的上态和下态的确定的Ω分配是从P和R分支中识别的第一条线建立的。分辨荧光研究揭示了同一波长区域内另外22个电子跃迁，其中许多提供了先前观察到的跃迁的上态或下态之间的能量联系。由31个电子跃迁连接组成的综合能级图共包括22个上下级电子能级。所研究的跃迁电子态的Ω归属和相对能量(包括荧光中确定的XIV和IX系统以及建议的VI系统的指定)是Ω‘T’0(cm−1)Ω“T”0(cm−1)VI 5.5 11102 4.5 2157 IX 4.5 16597 3.5 3887 X 5.5 13259 4.5 220 XI 5.5 13865 4.5 220 XIV 5.5 16595 4.5 2157 XVI 5.5 19169 4.5 3720 XVII 4.5 16597 3.5 0 XVIII 7.5 213216.53965XIX 6.5 19687 5.5 2111 XX 5.5 18069 4.5 220 XXI 4.5 18885 4.5 220 XXII 5.5 19169 4.5 220相对能量是相对于系统XVII的较低状态，在这里被指定为基电子态。
Abstract The (0, 0) bands of nine prominent electronic transitions, Systems X, XI, and XVI through XXII, in the wavelength region 500–800 nm were studied. High-precision (±0.005 cm− 1), Doppler-limited, selectively detected cw-dye laser fluorescence excitation spectra for Systems XVI through XXII were recorded and analyzed. Definitive Ω assignments for the upper and lower states of these transitions were established from identified first lines in the P and R branches. Resolved fluorescence studies revealed 22 additional electronic transitions in the same wavelength region, many of which provide energy linkages between the upper or lower states of previously observed transitions. The comprehensive energy level diagram assembled from 31 electronic transition linkages comprises a total of 22 upper and lower electronic levels. Ω assignments and relative energies for the electronic states of the transitions studied (including Systems XIV and IX identified in fluorescence and the proposed assignment for System VI) are System Ω′ T′ 0 (cm− 1) Ω ″T ″0 (cm− 1) VI 5.5 11102 4.5 2157 IX 4.5 16597 3.5 3887 X 5.5 13259 4.5 220 XI 5.5 13865 4.5 220 XIV 5.5 16595 4.5 2157 XVI 5.5 19169 4.5 3720 XVII 4.5 16597 3.5 0 XVIII 7.5 21321 6.5 3965 XIX 6.5 19687 5.5 2111 XX 5.5 18069 4.5 220 XXI 4.5 18885 4.5 220 XXII 5.5 19169 4.5 220 The relative energies are with respect to the lower state of System XVII, assigned here as the ground electronic state.