Which version of the code are you using? The syntax
should be valid (works without issue for me with NWChem v6.6). In general, any name on the page you referenced before should work when enclosed in quotes. It appears that without quotes, the name will also be recognized if spaces are replaced with underscores, as you have reported worked for TZ_(Dunning). If you have problems with calling the basis set by name (or would like to use a basis set that happens not to be in the internal library), you can always specify the basis set explicitly. These can be obtained for instance from the EMSL basis set exchange (https://bse.pnl.gov/bse/portal). For a system containing hydrogen and carbon and using the TZ (Dunning) basis set, this would look like
- TZ (Dunning) EMSL Basis Set Exchange Library 7/18/16 8:43 AM
- !
-
BASIS "ao basis" PRINT
- BASIS SET: (5s) -> [3s]
H S
74.6900000 0.0253740
11.2300000 0.1896840
2.5460000 0.8529330
H S
0.7130000 1.0000000
H S
0.2249000 1.0000000
- BASIS SET: (11s,6p) -> [5s,3p]
C S
9471.0000000 0.0007760
1398.0000000 0.0062180
307.5000000 0.0335750
84.5400000 0.1342780
26.9100000 0.3936680
9.4090000 0.5441690
C S
9.4090000 0.2480750
3.5000000 0.7828440
C S
1.0680000 1.0000000
C S
0.4002000 1.0000000
C S
0.1351000 1.0000000
C P
25.3700000 0.0162950
5.7760000 0.1020980
1.7870000 0.3402280
0.6577000 0.6682690
C P
0.2480000 1.0000000
C P
0.0910600 1.0000000
END
Note any line starting with # is a comment and can be omitted.
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