-#define LC_SI 0.543105e-9 /* m */
-#define M_SI (28.085*AMU) /* kg */
-#define LJ_SIGMA_SI ((0.25*sqrt(3.0)*LC_SI)/1.122462) /* m */
-#define LJ_EPSILON_SI (2.1678*1.60e-19) /* Nm */
+#define LC_SI (0.543105e-9*METER) /* A */
+#define M_SI 28.08553 /* amu */
+
+#define LJ_SIGMA_SI ((0.25*sqrt(3.0)*LC_SI)/1.122462) /* A */
+//#define LJ_SIGMA_SI (LC_SI/1.122462) /* A */
+//#define LJ_SIGMA_SI (0.5*sqrt(2.0)*LC_SI/1.122462) /* A */
+#define LJ_EPSILON_SI (2.1678*EV) /* NA */
+
+#define TM_R_SI (2.7e-10*METER) /* A */
+#define TM_S_SI (3.0e-10*METER) /* A */
+#define TM_A_SI (1830.8*EV) /* NA */
+#define TM_B_SI (471.18*EV) /* NA */
+#define TM_LAMBDA_SI (2.4799e10/METER) /* 1/A */
+#define TM_MU_SI (1.7322e10/METER) /* 1/A */
+#define TM_BETA_SI 1.1000e-6
+#define TM_N_SI 0.78734
+#define TM_C_SI 1.0039e5
+#define TM_D_SI 16.217
+#define TM_H_SI -0.59825
+
+#define TM_R_C (1.8e-10*METER) /* A */
+#define TM_S_C (2.1e-10*METER) /* A */
+#define TM_A_C (1393.6*EV) /* NA */
+#define TM_B_C (346.7*EV) /* NA */
+#define TM_LAMBDA_C (3.4879e10/METER) /* 1/A */
+#define TM_MU_C (2.2119e10/METER) /* 1/A */
+#define TM_BETA_C 1.5724e-7
+#define TM_N_C 0.72751
+#define TM_C_C 3.8049e4
+#define TM_D_C 4.384
+#define TM_H_C -0.57058
+
+#define TM_CHI_SIC 0.9776
+
+/*
+ * lattice constants
+ */
+
+#define CUBIC 0x01
+#define FCC 0x02
+#define DIAMOND 0x04