|
Species currently in the THz
database
The initial database includes:
H2O, H217O, H218O, HDO, O3, 16O16O18O, 16O18O16O, CO, 13CO, C18O,
H35Cl, H37Cl, HCN, HNC, NH, SO, CS, C34S, CN, CCH, KH, MgH, SiH, SiO,
FeH, N+, NH+, OH+, CO+, HCO+, HCS+, and H3O+.
|
Current Format for Terahertz Database
|
|
Parameter
|
Fortran
descriptor
|
Molecule Number
(unique identifier for each species) |
I2 |
Isotope Number
(1=most abundant, ....) |
I3 |
| Frequency in cm-1 |
F11.6 |
| Frequency in MHz |
F13.4 |
| Frequency Uncertainty in MHz |
F7.4
(F7.3 used when uncertainty  10 MHz) |
| Line Intensity in cm @ 296 K |
E11.3 |
| Einstein A coefficient in s-1 |
E11.3 |
| Einstein A coefficient uncertainty, s-1 |
E11.3 |
| Lower-state Energy in cm-1 |
F10.4 |
| Terrestrial Isotopic Abundance |
F11.8 |
| Atomic or Molecular Weight in AMU |
F11.6 |
| Upper-state Degeneracy |
I3 |
Nuclear Spin Degeneracy
(divided by lowest common denominator) |
I3 |
| Partition Sum at 296 K |
E14.6 |
| Air Broadening HWHM @ 296 K in cm-1/atm |
F7.4 |
| Air Broadening Temperature Coefficient |
F6.3 |
Nquant
(quantum numbers for each line) |
A24 |
-1 is used when a field does not yet contain a value |
Molecule numbering follows that of HITRAN, with extension for the
additional astrophysical species that are not in HITRAN at present.
|
Species Currently in Terahertz Database
|
| Mol.# |
Iso.# |
Molecule |
Isotopologue |
| 1 |
2 |
H2O |
181 |
| 1 |
3 |
H2O |
171 |
| 1 |
4 |
H2O |
162 |
| 3 |
1 |
O3 |
666 |
| 3 |
2 |
O3 |
668 |
| 3 |
3 |
O3 |
686 |
| 4 |
1 |
N2O |
446 |
| 4 |
2 |
N2O |
456 |
| 4 |
3 |
N2O |
546 |
| 5 |
1 |
CO |
26 |
| 5 |
2 |
CO |
36 |
| 5 |
3 |
CO |
28 |
| 7 |
1 |
O2 |
66 |
| 8 |
1 |
NO |
46 |
| 10 |
1 |
NO2 |
646 |
| 15 |
1 |
HCl |
15 |
| 15 |
2 |
HCl |
17 |
| 23 |
1 |
HCN |
124 |
| 51 |
1 |
HNC |
142 |
| 52 |
1 |
NH |
41 |
| 53 |
1 |
SO |
26 |
| 54 |
1 |
CS |
22 |
| 54 |
2 |
CS |
24 |
| 55 |
1 |
CN |
24 |
| 56 |
1 |
CCH |
221 |
| 57 |
1 |
KH |
91 |
| 59 |
1 |
SiH |
81 |
| 60 |
1 |
SiO |
86 |
| 61 |
1 |
FeH |
61 |
| 62 |
1 |
NH+ |
41 |
| 63 |
1 |
OH+ |
61 |
| 64 |
1 |
CO+ |
26 |
| 65 |
1 |
HCO+ |
126 |
| 66 |
1 |
HCS+ |
122 |
| 67 |
1 |
H3O+ |
1116 |
| 68 |
1 |
N+ |
4 |
Back to current data format
|
