| Back to the main page of this manual | Input reference of CP2K version 2023.2 | 
CP2K_INPUT /
               ATOM /
               METHOD /
               XC /
               XC_FUNCTIONAL /
               GGA_C_SPBE&GGA_C_SPBE {Logical} | 
               |
| Activates the functional. | |
| This keyword cannot be repeated and it expects precisely one logical. | |
                     The lone keyword behaves as a switch to
                     .TRUE. | 
               |
                     Default value:
                     .FALSE. | 
               
SCALE {Real} | 
               |
| Scales this functional | |
| This keyword cannot be repeated and it expects precisely one real. | |
                     Default value:
                     1.00000000E+000 | 
               
_B {Real} | 
               |
| Multiplies the A t^2 term. Used in the SPBE functional | |
| This keyword cannot be repeated and it expects precisely one real. | |
                     Default value:
                     0.00000000E+000 | 
               
_BETA {Real} | 
               |
| beta constant | |
| This keyword cannot be repeated and it expects precisely one real. | |
                     Default value:
                     6.67245506E-002 | 
               
_GAMMA {Real} | 
               |
| (1 - ln(2))/Pi^2 in the PBE | |
| This keyword cannot be repeated and it expects precisely one real. | |
                     Default value:
                     3.10906909E-002 | 
               
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