Pure Rotational Spectrum of Dibenzofuran in Range of 2-6 GHz
 
                
                 
                
                    
                                                            
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Abstract
    We report the observation and assignment of the rotational spectra of dibenzofuran measured in the range of 2 - 6 GHz with a newly constructed broadband chirped-pulse Fourier transform microwave (cp-FTMW) spectrometer. An analysis of the microwave spectra led to the assignment of 40  b -type transitions, resulting in the accurate determination of the rotational constants  A  = 2278.19770(38) MHz,  B  = 601.12248(10) MHz, and  C  = 475.753120(98) MHz.
 
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