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Calculated Frequencies for NaO (sodium monoxide) 2Σ C∞v

19 07 18 15 43
InChI=1S/Na.O INChIKey=IVAOQJNBYYIDSI-UHFFFAOYSA-N


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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 PM3 437
PM6 441
composite G2 580
G3 580
G3B3 491
G3MP2 519
G4 523
CBS-Q 577
molecular mechanics DREIDING 935

Vibrational frequency in cm-1 (unscaled)
Methods with standard basis sets
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ cc-pV(T+d)Z cc-pCVTZ daug-cc-pVTZ
hartree fock HF 856 634 683 566 538 580 523 562 562 571 528 526 580 506 526 511 522 503 532   522
ROHF   536 573 514 525 525 499 524 523     501 536 510 506 514 505 506   516  
density functional LSDA 780 502 546 483 495 494 478 507 507 532   485 511 495   500 492   495 507  
BLYP 747 467 628 456 537 537 488 473 528 500   451 481 468   491 457     475  
B1B95 774   554 450 493 486 dnf 484 484 529   455 509 476   dnf dnf   476 494  
B3LYP 777 599 655 480 561 561 508 497 548 565 485 513 504 489 481 485 481 481   497  
B3LYPultrafine   488     492 492 470 494       472 505 486   484 478     497  
B3PW91 780 582 638 476 488 488 501 494 540 556   472 500 484   503       492  
mPW1PW91 809 594 537 541 496 560 507 500 546 525   478 507 489   507 483   518 497  
M06-2X 798 537 651 518 579 539 502 533 533 566 530R 505 556 522   517 515     531  
PBEPBE 754 466 510 455 468 468 448 473 530 500 463 453 544 467   463 459   508 475  
PBEPBEultrafine   461     471 471 450 474       451 481 466   464 457     475  
PBE1PBE 789   540 482 563 495 473 499 499 526   478 508 489   489 483     498  
HSEh1PBE 787 600 539 480 495 495 511 499 499 527   477 508 522   489 484     499  
TPSSh   478 524 470 550 482 501 487   554   468 493 513   478 474     486  
wB97X-D     630   560   519   560     514 519 534     499        
B97D3   550     511   481   520   488 485   492     481       478R
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ cc-pV(T+d)Z cc-pCVTZ daug-cc-pVTZ
Moller Plesset perturbation MP2 853 617 674 552 570 570 494 560 560 564   511 572 519 481 474 474 476 519 494  
MP2=FULL 854 615 537 480 568 568 495 559 559 527   473 507 476 436 479 478 518   499  
ROMP2 855   544 485 500 500 462 508 508 528   474 512 487   475       494  
MP3         576   576         481 516 495           503  
MP3=FULL         575   504         481 514 483           507  
MP4   488     565     557 500     467 502 483   468 468     490  
MP4=FULL   486     485       500       499 470   469 473     495  
B2PLYP 809 497 539 482 568 496 506 500 555 527   476 508 524   483 480     498  
B2PLYP=FULL 809 497 539 482 494 494 465 501 501 527   476 507 486   485 482     499  
B2PLYP=FULLultrafine         571R               573R 521R     511        
Configuration interaction CID   503 547 488 576     564                       504  
CISD   492 538 482 573     508                       502  
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ cc-pV(T+d)Z cc-pCVTZ daug-cc-pVTZ
Quadratic configuration interaction QCISD   604 525 470 567 491 493 558 500 525   469 503 487   474 477   487 495  
QCISD(T)               558       465 499 483   469 470     490  
QCISD(T)=FULL         483   442           497 470 430 471 475 529   494  
QCISD(TQ)         492   459           505 486 480 474 473 476      
QCISD(TQ)=FULL         487   446           502 472 435 477 478 dnf      
Coupled Cluster CCD   501 545 486 575 502 468 564 510 533   479 514 493   484 484     501  
CCSD         572     561   529   474 508 490 486 479 480 483   498  
CCSD=FULL         491         529   473 506 477 443 482 484 528   501  
CCSD(T)         491 491   559     504 466 502 484 479 472 472 474 484 492  
CCSD(T)=FULL         484             466 499 471 432 473 476 529   496  
STO-3G 3-21G 3-21G* 6-31G 6-31G* 6-31G** 6-31+G** 6-311G* 6-311G** 6-31G(2df,p) 6-311+G(3df,2p) TZVP cc-pVDZ cc-pVTZ cc-pVQZ aug-cc-pVDZ aug-cc-pVTZ aug-cc-pVQZ cc-pV(T+d)Z cc-pCVTZ daug-cc-pVTZ

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 497 496 476 487 518 497     541
density functional B1B95 376 470              
B3LYP 469 472 445 457 487 472     526
PBEPBE                 513
Moller Plesset perturbation MP2 481 482 450 465 496 471     524
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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