Table 1.

Standard values of parameters for numerical calculations.

Parameter	Standard value	Justification
Microwave frequency, ωm/2π	264.0 GHz	Thurber et al.9
Microwave strength, ω1/2π	80 kHz	Thurber et al.9
NMR frequency, 1H, ωn/2π	−400.9 MHz	Thurber et al.9
Temperature, T	25 K	Thurber and Tycko29
MAS frequency, ωr/2π	7 kHz	Thurber and Tycko29
Electron-electron coupling, dmax/2π	23 MHz	Hu et al.20
Hyperfine coupling, hzz,max/2π	9 MHz	Ohzeki et al.30
g-tensor principal values	2.0061, 2.0021, 2.0094	Snipes et al.25
14N hyperfine coupling principal values	18.8, 92.4, 18.2 MHz	Snipes et al.25
T1e	2 ms	Thurber et al.9
T2e from slow fluctuations	4 μs	Sato et al.27
T2e from fast fluctuations	2 ms	Thurber et al.9
T1n	1000 s	Undoped 1H T1
T2n	0.2 ms	Transverse 1H relaxation