user: 请从给定的汇编指令推导出C源代码：

```asm
<Slater_1S_2S>:
  endbr64
  push   %r14
  movapd %xmm0,%xmm4
  movapd %xmm0,%xmm3
  push   %r13
  addsd  %xmm0,%xmm4
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x50,%rsp
  ucomisd %xmm1,%xmm2
  movsd  %xmm1,(%rsp)
  movsd  %xmm2,0x8(%rsp)
  jp     L2
  jne    L2
  mulsd  %xmm2,%xmm4
  movsd  D490(%rip),%xmm5
  movsd  %xmm0,(%rsp)
  movapd %xmm5,%xmm0
  movapd %xmm4,%xmm1
  movsd  %xmm4,0x18(%rsp)
  call   <pow@plt>
  movsd  (%rsp),%xmm3
  movsd  D149(%rip),%xmm0
  pxor   %xmm2,%xmm2
  cvtsi2sd %eax,%xmm2
  mulsd  D659(%rip),%xmm2
  movsd  D160(%rip),%xmm1
  mulsd  %xmm3,%xmm0
  subsd  D659(%rip),%xmm2
  movsd  %xmm3,0x10(%rsp)
  mulsd  0x8(%rsp),%xmm0
  subsd  %xmm0,%xmm2
  movapd %xmm3,%xmm0
  movsd  %xmm2,(%rsp)
  call   <pow@plt>
  movsd  0x8(%rsp),%xmm0
  mov    %eax,%ebx
  mov    D160(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movsd  (%rsp),%xmm2
  cvtsi2sd %ebx,%xmm0
  mulsd  D211(%rip),%xmm0
  movsd  0x10(%rsp),%xmm3
  cvtsi2sd %eax,%xmm1
  mulsd  %xmm1,%xmm0
  movsd  D345(%rip),%xmm1
  subsd  %xmm0,%xmm2
  movapd %xmm3,%xmm0
  movsd  %xmm2,(%rsp)
  call   <pow@plt>
  movsd  0x8(%rsp),%xmm0
  mov    %eax,%ebx
  mov    D345(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movsd  (%rsp),%xmm2
  cvtsi2sd %ebx,%xmm0
  mulsd  D284(%rip),%xmm0
  movsd  0x10(%rsp),%xmm3
  cvtsi2sd %eax,%xmm1
  mov    D332(%rip),%rax
  mulsd  %xmm1,%xmm0
  movq   %rax,%xmm1
  subsd  %xmm0,%xmm2
  movapd %xmm3,%xmm0
  movsd  %xmm2,(%rsp)
  call   <pow@plt>
  movsd  0x8(%rsp),%xmm0
  mov    %eax,%ebx
  mov    D332(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movsd  (%rsp),%xmm2
  cvtsi2sd %ebx,%xmm0
  mulsd  D286(%rip),%xmm0
  movsd  0x10(%rsp),%xmm3
  cvtsi2sd %eax,%xmm1
  mulsd  %xmm1,%xmm0
  movsd  D363(%rip),%xmm1
  subsd  %xmm0,%xmm2
  movapd %xmm3,%xmm0
  movsd  %xmm2,(%rsp)
  call   <pow@plt>
  movsd  0x8(%rsp),%xmm0
  mov    %eax,%ebx
  mov    D363(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movsd  (%rsp),%xmm2
  cvtsi2sd %ebx,%xmm0
  mulsd  D332(%rip),%xmm0
  movsd  0x18(%rsp),%xmm4
  cvtsi2sd %eax,%xmm1
  mov    D490(%rip),%rax
  mulsd  %xmm1,%xmm0
  movapd %xmm4,%xmm1
  subsd  %xmm0,%xmm2
  movq   %rax,%xmm0
  movsd  %xmm2,(%rsp)
  call   <pow@plt>
  pxor   %xmm1,%xmm1
  movsd  0x10(%rsp),%xmm3
  movsd  (%rsp),%xmm2
  cvtsi2sd %eax,%xmm1
  mulsd  D659(%rip),%xmm1
  add    $0x50,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  mulsd  %xmm3,%xmm1
  divsd  %xmm1,%xmm2
  movapd %xmm2,%xmm0
  ret
  xchg   %ax,%ax
L2:
  movsd  0x8(%rsp),%xmm6
  addsd  (%rsp),%xmm6
  movsd  %xmm3,0x20(%rsp)
  mov    D490(%rip),%rax
  movsd  %xmm4,0x18(%rsp)
  mulsd  %xmm4,%xmm6
  movq   %rax,%xmm0
  movapd %xmm6,%xmm1
  movsd  %xmm6,0x48(%rsp)
  call   <pow@plt>
  movsd  0x8(%rsp),%xmm0
  mov    %eax,%ebp
  mov    D160(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%ebx
  mov    D160(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  sub    %eax,%ebx
  mov    D363(%rip),%rax
  cvtsi2sd %ebx,%xmm0
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movsd  0x18(%rsp),%xmm4
  cvtsi2sd %ebp,%xmm0
  mulsd  D71(%rip),%xmm0
  cvtsi2sd %eax,%xmm1
  mov    D490(%rip),%rax
  movsd  %xmm4,0x40(%rsp)
  movapd %xmm0,%xmm5
  movq   %rax,%xmm0
  mulsd  %xmm1,%xmm5
  movsd  (%rsp),%xmm1
  mulsd  %xmm4,%xmm1
  movsd  %xmm5,0x10(%rsp)
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%ebx
  mov    D71(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %ebx,%xmm0
  mulsd  D71(%rip),%xmm0
  cvtsi2sd %eax,%xmm1
  mov    D332(%rip),%rax
  movapd %xmm0,%xmm7
  movsd  0x8(%rsp),%xmm0
  mulsd  %xmm1,%xmm7
  movq   %rax,%xmm1
  movsd  %xmm7,0x18(%rsp)
  call   <pow@plt>
  movsd  0x8(%rsp),%xmm0
  mov    %eax,%ebx
  mov    D363(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  movsd  0x20(%rsp),%xmm3
  pxor   %xmm1,%xmm1
  cvtsi2sd %eax,%xmm0
  mov    D160(%rip),%rax
  cvtsi2sd %ebx,%xmm1
  mulsd  D186(%rip),%xmm1
  movsd  %xmm3,0x28(%rsp)
  mulsd  %xmm3,%xmm0
  subsd  %xmm0,%xmm1
  movsd  0x8(%rsp),%xmm0
  movq   %xmm1,%rbx
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%ebp
  mov    D160(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movq   %rbx,%xmm3
  cvtsi2sd %ebp,%xmm0
  mulsd  D363(%rip),%xmm0
  cvtsi2sd %eax,%xmm1
  mov    D332(%rip),%rax
  mulsd  %xmm1,%xmm0
  movq   %rax,%xmm1
  subsd  %xmm0,%xmm3
  movsd  (%rsp),%xmm0
  movsd  %xmm3,0x20(%rsp)
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  movsd  0x28(%rsp),%xmm3
  movsd  0x8(%rsp),%xmm6
  cvtsi2sd %eax,%xmm0
  movsd  0x20(%rsp),%xmm4
  mov    D332(%rip),%rax
  mulsd  %xmm3,%xmm6
  movsd  %xmm3,0x38(%rsp)
  movq   %rax,%xmm1
  addsd  %xmm0,%xmm4
  movsd  (%rsp),%xmm0
  movsd  %xmm6,0x28(%rsp)
  movsd  %xmm4,0x20(%rsp)
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  movsd  0x40(%rsp),%xmm4
  movsd  0x10(%rsp),%xmm2
  cvtsi2sd %eax,%xmm0
  mulsd  0x28(%rsp),%xmm0
  mov    D490(%rip),%rax
  addsd  0x20(%rsp),%xmm0
  mulsd  0x18(%rsp),%xmm0
  mulsd  0x8(%rsp),%xmm4
  addsd  %xmm0,%xmm2
  movq   %rax,%xmm0
  movapd %xmm4,%xmm1
  movsd  %xmm2,0x30(%rsp)
  call   <pow@plt>
  movsd  0x8(%rsp),%xmm0
  mov    %eax,%ebp
  mov    D332(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  0x8(%rsp),%xmm0
  mov    %eax,%r12d
  mov    D71(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  0x38(%rsp),%xmm3
  mov    %eax,%ebx
  mov    D160(%rip),%rax
  movapd %xmm3,%xmm0
  movsd  %xmm3,0x10(%rsp)
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%r13d
  mov    D160(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm1,%xmm1
  movsd  0x10(%rsp),%xmm3
  movsd  D50(%rip),%xmm5
  cvtsi2sd %r13d,%xmm1
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  mulsd  %xmm3,%xmm5
  mov    D345(%rip),%rax
  movsd  %xmm3,0x18(%rsp)
  mulsd  D71(%rip),%xmm1
  mulsd  %xmm0,%xmm1
  movsd  (%rsp),%xmm0
  mulsd  %xmm5,%xmm0
  addsd  D71(%rip),%xmm0
  addsd  %xmm0,%xmm1
  movapd %xmm3,%xmm0
  movsd  %xmm1,0x10(%rsp)
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%r13d
  mov    D345(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm4,%xmm4
  pxor   %xmm0,%xmm0
  cvtsi2sd %r13d,%xmm4
  cvtsi2sd %eax,%xmm0
  mov    D332(%rip),%rax
  movq   %rax,%xmm1
  addsd  %xmm4,%xmm4
  mulsd  %xmm0,%xmm4
  pxor   %xmm0,%xmm0
  cvtsi2sd %ebx,%xmm0
  addsd  0x10(%rsp),%xmm4
  movapd %xmm4,%xmm5
  mulsd  %xmm0,%xmm5
  movsd  0x8(%rsp),%xmm0
  movsd  %xmm5,0x28(%rsp)
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%ebx
  mov    D160(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movsd  0x18(%rsp),%xmm3
  cvtsi2sd %ebx,%xmm0
  mulsd  D345(%rip),%xmm0
  cvtsi2sd %eax,%xmm1
  mov    D160(%rip),%rax
  movapd %xmm0,%xmm5
  movapd %xmm3,%xmm0
  mulsd  %xmm1,%xmm5
  movq   %rax,%xmm1
  movsd  %xmm5,0x10(%rsp)
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%ebx
  mov    D160(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm1,%xmm1
  movsd  D415(%rip),%xmm4
  movsd  0x18(%rsp),%xmm3
  cvtsi2sd %ebx,%xmm1
  movsd  D253(%rip),%xmm2
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  mov    D345(%rip),%rax
  movsd  %xmm3,0x20(%rsp)
  mulsd  %xmm3,%xmm2
  mulsd  %xmm4,%xmm1
  mulsd  %xmm0,%xmm1
  movsd  (%rsp),%xmm0
  mulsd  %xmm2,%xmm0
  addsd  %xmm4,%xmm0
  addsd  %xmm0,%xmm1
  movapd %xmm3,%xmm0
  movsd  %xmm1,0x18(%rsp)
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%ebx
  mov    D345(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm4,%xmm4
  pxor   %xmm0,%xmm0
  movsd  0x28(%rsp),%xmm5
  cvtsi2sd %ebx,%xmm4
  cvtsi2sd %eax,%xmm0
  mov    D160(%rip),%rax
  movq   %rax,%xmm1
  addsd  %xmm4,%xmm4
  mulsd  %xmm0,%xmm4
  movsd  0x8(%rsp),%xmm0
  addsd  0x18(%rsp),%xmm4
  mulsd  0x10(%rsp),%xmm4
  subsd  %xmm4,%xmm5
  movsd  %xmm5,0x10(%rsp)
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%ebx
  mov    D332(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movsd  0x20(%rsp),%xmm3
  cvtsi2sd %ebx,%xmm0
  mulsd  D345(%rip),%xmm0
  cvtsi2sd %eax,%xmm1
  mov    D160(%rip),%rax
  movapd %xmm0,%xmm2
  movapd %xmm3,%xmm0
  mulsd  %xmm1,%xmm2
  movq   %rax,%xmm1
  movsd  %xmm2,0x18(%rsp)
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%ebx
  mov    D160(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm1,%xmm1
  movsd  0x20(%rsp),%xmm3
  movsd  D88(%rip),%xmm4
  cvtsi2sd %ebx,%xmm1
  mulsd  D656(%rip),%xmm1
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  mulsd  %xmm3,%xmm4
  movsd  %xmm3,0x28(%rsp)
  mov    D345(%rip),%rax
  mulsd  %xmm0,%xmm1
  movsd  (%rsp),%xmm0
  mulsd  %xmm4,%xmm0
  addsd  D203(%rip),%xmm0
  addsd  %xmm0,%xmm1
  movapd %xmm3,%xmm0
  movsd  %xmm1,0x20(%rsp)
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%ebx
  mov    D345(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm4,%xmm4
  pxor   %xmm0,%xmm0
  cvtsi2sd %ebx,%xmm4
  cvtsi2sd %eax,%xmm0
  mov    D71(%rip),%rax
  movq   %rax,%xmm1
  addsd  %xmm4,%xmm4
  mulsd  %xmm0,%xmm4
  movsd  (%rsp),%xmm0
  addsd  0x20(%rsp),%xmm4
  mulsd  0x18(%rsp),%xmm4
  addsd  0x10(%rsp),%xmm4
  movq   %xmm4,%rbx
  call   <pow@plt>
  movsd  0x28(%rsp),%xmm3
  imul   %r12d,%ebp
  mov    %eax,%r13d
  mov    D160(%rip),%rax
  movapd %xmm3,%xmm0
  movsd  %xmm3,0x10(%rsp)
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%r14d
  mov    D160(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm1,%xmm1
  movsd  0x10(%rsp),%xmm3
  movsd  D27(%rip),%xmm5
  cvtsi2sd %r14d,%xmm1
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  mulsd  %xmm3,%xmm5
  mov    D345(%rip),%rax
  movsd  %xmm3,0x20(%rsp)
  mulsd  D493(%rip),%xmm1
  mulsd  %xmm0,%xmm1
  movsd  (%rsp),%xmm0
  mulsd  %xmm5,%xmm0
  addsd  D571(%rip),%xmm0
  addsd  %xmm0,%xmm1
  movapd %xmm3,%xmm0
  movsd  %xmm1,0x10(%rsp)
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%r14d
  mov    D345(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm4,%xmm4
  pxor   %xmm0,%xmm0
  movq   %rbx,%xmm5
  cvtsi2sd %r14d,%xmm4
  pxor   %xmm1,%xmm1
  movsd  0x30(%rsp),%xmm2
  movsd  0x48(%rsp),%xmm6
  cvtsi2sd %eax,%xmm0
  mov    D490(%rip),%rax
  cvtsi2sd %ebp,%xmm1
  addsd  %xmm4,%xmm4
  mulsd  %xmm0,%xmm4
  pxor   %xmm0,%xmm0
  cvtsi2sd %r13d,%xmm0
  addsd  0x10(%rsp),%xmm4
  mulsd  %xmm0,%xmm4
  movq   %rax,%xmm0
  subsd  %xmm4,%xmm5
  movapd %xmm5,%xmm4
  mulsd  %xmm1,%xmm4
  movapd %xmm6,%xmm1
  subsd  %xmm4,%xmm2
  movsd  %xmm2,0x18(%rsp)
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  movsd  0x20(%rsp),%xmm3
  cvtsi2sd %eax,%xmm0
  mulsd  D71(%rip),%xmm0
  mov    D160(%rip),%rax
  movq   %rax,%xmm1
  movapd %xmm0,%xmm5
  movsd  0x8(%rsp),%xmm0
  mulsd  %xmm3,%xmm5
  movsd  %xmm5,0x10(%rsp)
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%ebx
  mov    D160(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  sub    %eax,%ebx
  mov    D363(%rip),%rax
  cvtsi2sd %ebx,%xmm0
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm1,%xmm1
  movsd  0x18(%rsp),%xmm2
  cvtsi2sd %eax,%xmm1
  mulsd  0x10(%rsp),%xmm1
  add    $0x50,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  divsd  %xmm1,%xmm2
  movapd %xmm2,%xmm0
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D490
datatype: f64
name: unpack_data
arguments: data_label: D149
datatype: f64
name: unpack_data
arguments: data_label: D659
datatype: f64
name: unpack_data
arguments: data_label: D160
datatype: f64
name: unpack_data
arguments: data_label: D211
datatype: f64
name: unpack_data
arguments: data_label: D345
datatype: f64
name: unpack_data
arguments: data_label: D284
datatype: f64
name: unpack_data
arguments: data_label: D332
datatype: f64
name: unpack_data
arguments: data_label: D286
datatype: f64
name: unpack_data
arguments: data_label: D363
datatype: f64
name: unpack_data
arguments: data_label: D71
datatype: f64
name: unpack_data
arguments: data_label: D186
datatype: byte[8]
name: unpack_data
arguments: data_label: D50
datatype: f64
name: unpack_data
arguments: data_label: D415
datatype: f64
name: unpack_data
arguments: data_label: D253
datatype: f64
name: unpack_data
arguments: data_label: D88
datatype: f64
name: unpack_data
arguments: data_label: D656
datatype: f64
name: unpack_data
arguments: data_label: D203
datatype: f64
name: unpack_data
arguments: data_label: D27
datatype: f64
name: unpack_data
arguments: data_label: D493
datatype: f64
name: unpack_data
arguments: data_label: D571
datatype: f64

tool: D490: 2.718281828459045

tool: D149: 375

tool: D659: 240

tool: D160: 2

tool: D211: 270

tool: D345: 3

tool: D284: 115

tool: D332: 4

tool: D286: 30

tool: D363: 5

tool: D71: 6

tool: {"D186": [0x00,0x00,0x00,0x00,0x00,0x00,0x10,0xc0]}

tool: D50: 9

tool: D415: 10

tool: D253: 15

tool: D88: 33

tool: D656: 14

tool: D203: 20

tool: D27: 63

tool: D493: 18

tool: D571: 84

assistant: ```c
double Slater_1S_2S(double rij, double xij, double xii) {
  double S;
  if (xii == xij) {
    S = (-240.0 + 240.0 * (pow((double)(2.71828182845904523536029), (double)(2.0 * rij * xii))) - 375.0 * rij * xii - 270.0 * (pow((double)(rij), (double)(2.0))) * (pow((double)(xii), (double)(2.0))) - 115.0 * (pow((double)(rij), (double)(3.0))) * (pow((double)(xii), (double)(3.0))) - 30.0 * (pow((double)(rij), (double)(4.0))) * (pow((double)(xii), (double)(4.0))) - 4.0 * (pow((double)(rij), (double)(5.0))) * (pow((double)(xii), (double)(5.0)))) / (240. * (pow((double)(2.71828182845904523536029), (double)(2.0 * rij * xii))) * rij);
  } else {
    S = (6.0 * (pow((double)(2.71828182845904523536029), (double)(2.0 * rij * (xii + xij)))) * (pow((double)((pow((double)(xii), (double)(2.0))) - (pow((double)(xij), (double)(2.0)))), (double)(5.0))) + 6.0 * (pow((double)(2.71828182845904523536029), (double)(2.0 * rij * xij))) * (pow((double)(xij), (double)(6.0))) * (-4.0 * (pow((double)(xii), (double)(4.0))) - rij * (pow((double)(xii), (double)(5.0))) - 5.0 * (pow((double)(xii), (double)(2.0))) * (pow((double)(xij), (double)(2.0))) + (pow((double)(xij), (double)(4.0))) + rij * xii * (pow((double)(xij), (double)(4.0)))) - (pow((double)(2.71828182845904523536029), (double)(2.0 * rij * xii))) * (pow((double)(xii), (double)(4.0))) * ((pow((double)(xii), (double)(6.0))) * (6.0 + 9.0 * rij * xij + 6.0 * (pow((double)(rij), (double)(2.0))) * (pow((double)(xij), (double)(2.0))) + 2.0 * (pow((double)(rij), (double)(3.0))) * (pow((double)(xij), (double)(3.0)))) - 3.0 * (pow((double)(xii), (double)(4.0))) * (pow((double)(xij), (double)(2.0))) * (10.0 + 15.0 * rij * xij + 10.0 * (pow((double)(rij), (double)(2.0))) * (pow((double)(xij), (double)(2.0))) + 2.0 * (pow((double)(rij), (double)(3.0))) * (pow((double)(xij), (double)(3.0)))) + 3.0 * (pow((double)(xii), (double)(2.0))) * (pow((double)(xij), (double)(4.0))) * (20.0 + 33.0 * rij * xij + 14.0 * (pow((double)(rij), (double)(2.0))) * (pow((double)(xij), (double)(2.0))) + 2.0 * (pow((double)(rij), (double)(3.0))) * (pow((double)(xij), (double)(3.0)))) - (pow((double)(xij), (double)(6.0))) * (84.0 + 63.0 * rij * xij + 18.0 * (pow((double)(rij), (double)(2.0))) * (pow((double)(xij), (double)(2.0))) + 2.0 * (pow((double)(rij), (double)(3.0))) * (pow((double)(xij), (double)(3.0)))))) / (6. * (pow((double)(2.71828182845904523536029), (double)(2.0 * rij * (xii + xij)))) * rij * (pow((double)((pow((double)(xii), (double)(2.0))) - (pow((double)(xij), (double)(2.0)))), (double)(5.0))));
  }
  return S;
}
```