Species

v1

v2

v3

v3b

v4

v4b

Vi/v1

v2/v1

v3/v1

v3b/v1

v4/v1

v4b/v1

Source/Level

12C16O16O16O2−|a

1211

988

1212

1213

779

799

1.000

0.816

1.001

1.001

0.643

0.660

This Study

HF/6-31G*

12C18O16O16O2−|

1207

984

1212

1213

773

788

1.000

0.815

1.004

1.005

0.640

0.653

13C16O16O16O2−|

1211

959

1212

1213

777

797

1.000

0.792

1.001

1.001

0.642

0.658

13C18O16O16O2−|

1207

955

1212

1213

773

786

1.000

0.792

1.004

1.005

0.640

0.651

12C16O16O16O2−-icceb

1078

823

1478

1478

685

684

1.000

0.763

1.371

1.371

0.635

0.635

Rustad et al. (2008)

PBE/6-31G*/3-21G

13C16O16O16O2−-icce

1078

798

1436

1436

683

682

1.000

0.740

1.332

1.332

0.634

0.633