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Calculated Frequencies for LiI (Lithium Iodide) 1Σ C∞v

19 07 18 15 43
InChI=1S/HI.Li/h1H;/q;+1/p-1 INChIKey=HSZCZNFXUDYRKD-UHFFFAOYSA-M


Click on an entry for details.
An R subscript indicates raman activity data is available.
For a comparison of experimental versus calculated see section IV.C.1 Compare vibrational frequencies
Vibrational frequency in cm-1 (unscaled)
Methods with predefined basis sets
semi-empirical AM1 512R
PM3 334R
PM6 489

Vibrational frequency in cm-1 (unscaled)
Methods with standard basis sets
STO-3G 3-21G 3-21G* 6-311G*
hartree fock HF 679R 486R 500R 493R
density functional LSDA       507R
BLYP 653R 485R 492R 484R
B1B95 666R 497R 497R 497R
B3LYP 664R 491R 501R 494R
B3LYPultrafine   491R   494R
B3PW91 660R 486 496 493R
mPW1PW91 664R 489R 499R 497R
M06-2X 701R 495R 508R 509R
PBEPBE 657R 487R 495R 491R
PBEPBEultrafine   487R   491R
PBE1PBE 668R 502R 502R 500R
HSEh1PBE 668R 491R 500R 497R
TPSSh 658R 487R 497R 493R
wB97X-D 669R 465R 481R 475R
B97D3 635R 479R 482R 470R
STO-3G 3-21G 3-21G* 6-311G*
Moller Plesset perturbation MP2 686R 490R 499R 504R
MP2=FULL 686R 490R 500R 506R
MP3       506
MP3=FULL   490 499 507
MP4   489   506
MP4=FULL   489   507
B2PLYP 674R 494R 503R 500R
B2PLYP=FULL 674R 494R 504R 501R
B2PLYP=FULLultrafine 674R 494R 504R 501R
Configuration interaction CID   490 499 505
CISD   488 499 505
STO-3G 3-21G 3-21G* 6-311G*
Quadratic configuration interaction QCISD   488 498 505
QCISD(T)       505
QCISD(T)=FULL       506
Coupled Cluster CCD   489 498 505
CCSD       505
CCSD=FULL       506
CCSD(T)       505
CCSD(T)=FULL       506
STO-3G 3-21G 3-21G* 6-311G*

Vibrational frequency in cm-1 (unscaled)
Methods with effective core potentials (select basis sets)
CEP-31G CEP-31G* CEP-121G CEP-121G* LANL2DZ SDD cc-pVTZ-PP aug-cc-pVTZ-PP Def2TZVPP
hartree fock HF 460R   457R   467R 462R 493R   494R
density functional LSDA             505R    
BLYP             481R   482R
B1B95             490R   495R
B3LYP 452R   449R   468R 463R 492R   493R
B3LYPultrafine             492R   493R
B3PW91             491R   492R
mPW1PW91             495R   496R
M06-2X             503R   504R
PBEPBE             488R   489R
PBEPBEultrafine             488R   489R
PBE1PBE             498R   499R
HSEh1PBE             494R   496R
TPSSh             492R   493R
wB97X-D 464R   464R   449R 446R 475R   475R
B97D3             468R   468R
Moller Plesset perturbation MP2 456R   455R   473R 463R 502   493R
MP2=FULL             507R   498R
MP3             502   493
MP3=FULL             507   497
MP4             501   491
MP4=FULL             507   496
B2PLYP             498R   496R
B2PLYP=FULL             500R   497R
B2PLYP=FULLultrafine             500R   497R
Configuration interaction CID             503   497
CISD             502   496
Quadratic configuration interaction QCISD             501   492
QCISD(T)             501   491
QCISD(T)=FULL             507   496
Coupled Cluster CCD             502   493
CCSD             501   492
CCSD=FULL             507   497
CCSD(T)             501   491
CCSD(T)=FULL             507   496
For descriptions of the methods (AM1, HF, MP2, ...) and basis sets (3-21G, 3-21G*, 6-31G, ...) see the glossary in section I.C. Predefined means the basis set used is determined by the method.
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