user: 下面的汇编指令对应的C源代码是什么:

```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     L8
  jne    L8
  mulsd  %xmm2,%xmm4
  movsd  D396(%rip),%xmm5
  movsd  %xmm0,(%rsp)
  movapd %xmm5,%xmm0
  movapd %xmm4,%xmm1
  movsd  %xmm4,0x18(%rsp)
  call   <pow@plt>
  movsd  (%rsp),%xmm3
  movsd  D373(%rip),%xmm0
  pxor   %xmm2,%xmm2
  cvtsi2sd %eax,%xmm2
  mulsd  D616(%rip),%xmm2
  movsd  D324(%rip),%xmm1
  mulsd  %xmm3,%xmm0
  subsd  D616(%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    D324(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movsd  (%rsp),%xmm2
  cvtsi2sd %ebx,%xmm0
  mulsd  D198(%rip),%xmm0
  movsd  0x10(%rsp),%xmm3
  cvtsi2sd %eax,%xmm1
  mulsd  %xmm1,%xmm0
  movsd  D115(%rip),%xmm1
  subsd  %xmm0,%xmm2
  movapd %xmm3,%xmm0
  movsd  %xmm2,(%rsp)
  call   <pow@plt>
  movsd  0x8(%rsp),%xmm0
  mov    %eax,%ebx
  mov    D115(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movsd  (%rsp),%xmm2
  cvtsi2sd %ebx,%xmm0
  mulsd  D282(%rip),%xmm0
  movsd  0x10(%rsp),%xmm3
  cvtsi2sd %eax,%xmm1
  mov    D306(%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    D306(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movsd  (%rsp),%xmm2
  cvtsi2sd %ebx,%xmm0
  mulsd  D165(%rip),%xmm0
  movsd  0x10(%rsp),%xmm3
  cvtsi2sd %eax,%xmm1
  mulsd  %xmm1,%xmm0
  movsd  D298(%rip),%xmm1
  subsd  %xmm0,%xmm2
  movapd %xmm3,%xmm0
  movsd  %xmm2,(%rsp)
  call   <pow@plt>
  movsd  0x8(%rsp),%xmm0
  mov    %eax,%ebx
  mov    D298(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movsd  (%rsp),%xmm2
  cvtsi2sd %ebx,%xmm0
  mulsd  D306(%rip),%xmm0
  movsd  0x18(%rsp),%xmm4
  cvtsi2sd %eax,%xmm1
  mov    D396(%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  D616(%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
L8:
  movsd  0x8(%rsp),%xmm6
  addsd  (%rsp),%xmm6
  movsd  %xmm3,0x20(%rsp)
  mov    D396(%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    D324(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%ebx
  mov    D324(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  sub    %eax,%ebx
  mov    D298(%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  D440(%rip),%xmm0
  cvtsi2sd %eax,%xmm1
  mov    D396(%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    D440(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2sd %ebx,%xmm0
  mulsd  D440(%rip),%xmm0
  cvtsi2sd %eax,%xmm1
  mov    D306(%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    D298(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  movsd  0x20(%rsp),%xmm3
  pxor   %xmm1,%xmm1
  cvtsi2sd %eax,%xmm0
  mov    D324(%rip),%rax
  cvtsi2sd %ebx,%xmm1
  mulsd  D294(%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    D324(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movq   %rbx,%xmm3
  cvtsi2sd %ebp,%xmm0
  mulsd  D298(%rip),%xmm0
  cvtsi2sd %eax,%xmm1
  mov    D306(%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    D306(%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    D396(%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    D306(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  0x8(%rsp),%xmm0
  mov    %eax,%r12d
  mov    D440(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  0x38(%rsp),%xmm3
  mov    %eax,%ebx
  mov    D324(%rip),%rax
  movapd %xmm3,%xmm0
  movsd  %xmm3,0x10(%rsp)
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%r13d
  mov    D324(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm1,%xmm1
  movsd  0x10(%rsp),%xmm3
  movsd  D599(%rip),%xmm5
  cvtsi2sd %r13d,%xmm1
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  mulsd  %xmm3,%xmm5
  mov    D115(%rip),%rax
  movsd  %xmm3,0x18(%rsp)
  mulsd  D440(%rip),%xmm1
  mulsd  %xmm0,%xmm1
  movsd  (%rsp),%xmm0
  mulsd  %xmm5,%xmm0
  addsd  D440(%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    D115(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm4,%xmm4
  pxor   %xmm0,%xmm0
  cvtsi2sd %r13d,%xmm4
  cvtsi2sd %eax,%xmm0
  mov    D306(%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    D324(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movsd  0x18(%rsp),%xmm3
  cvtsi2sd %ebx,%xmm0
  mulsd  D115(%rip),%xmm0
  cvtsi2sd %eax,%xmm1
  mov    D324(%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    D324(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm1,%xmm1
  movsd  D99(%rip),%xmm4
  movsd  0x18(%rsp),%xmm3
  cvtsi2sd %ebx,%xmm1
  movsd  D11(%rip),%xmm2
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  mov    D115(%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    D115(%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    D324(%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    D306(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  movsd  0x20(%rsp),%xmm3
  cvtsi2sd %ebx,%xmm0
  mulsd  D115(%rip),%xmm0
  cvtsi2sd %eax,%xmm1
  mov    D324(%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    D324(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm1,%xmm1
  movsd  0x20(%rsp),%xmm3
  movsd  D183(%rip),%xmm4
  cvtsi2sd %ebx,%xmm1
  mulsd  D337(%rip),%xmm1
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  mulsd  %xmm3,%xmm4
  movsd  %xmm3,0x28(%rsp)
  mov    D115(%rip),%rax
  mulsd  %xmm0,%xmm1
  movsd  (%rsp),%xmm0
  mulsd  %xmm4,%xmm0
  addsd  D615(%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    D115(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm4,%xmm4
  pxor   %xmm0,%xmm0
  cvtsi2sd %ebx,%xmm4
  cvtsi2sd %eax,%xmm0
  mov    D440(%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    D324(%rip),%rax
  movapd %xmm3,%xmm0
  movsd  %xmm3,0x10(%rsp)
  movq   %rax,%xmm1
  call   <pow@plt>
  movsd  (%rsp),%xmm0
  mov    %eax,%r14d
  mov    D324(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm1,%xmm1
  movsd  0x10(%rsp),%xmm3
  movsd  D398(%rip),%xmm5
  cvtsi2sd %r14d,%xmm1
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  mulsd  %xmm3,%xmm5
  mov    D115(%rip),%rax
  movsd  %xmm3,0x20(%rsp)
  mulsd  D175(%rip),%xmm1
  mulsd  %xmm0,%xmm1
  movsd  (%rsp),%xmm0
  mulsd  %xmm5,%xmm0
  addsd  D12(%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    D115(%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    D396(%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  D440(%rip),%xmm0
  mov    D324(%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    D324(%rip),%rax
  movq   %rax,%xmm1
  call   <pow@plt>
  pxor   %xmm0,%xmm0
  sub    %eax,%ebx
  mov    D298(%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_tag: D396
type_infered: f64
name: unpack_data
arguments: data_tag: D373
type_infered: f64
name: unpack_data
arguments: data_tag: D616
type_infered: f64
name: unpack_data
arguments: data_tag: D324
type_infered: f64
name: unpack_data
arguments: data_tag: D198
type_infered: f64
name: unpack_data
arguments: data_tag: D115
type_infered: f64
name: unpack_data
arguments: data_tag: D282
type_infered: f64
name: unpack_data
arguments: data_tag: D306
type_infered: f64
name: unpack_data
arguments: data_tag: D165
type_infered: f64
name: unpack_data
arguments: data_tag: D298
type_infered: f64
name: unpack_data
arguments: data_tag: D440
type_infered: f64
name: unpack_data
arguments: data_tag: D294
type_infered: byte[8]
name: unpack_data
arguments: data_tag: D599
type_infered: f64
name: unpack_data
arguments: data_tag: D99
type_infered: f64
name: unpack_data
arguments: data_tag: D11
type_infered: f64
name: unpack_data
arguments: data_tag: D183
type_infered: f64
name: unpack_data
arguments: data_tag: D337
type_infered: f64
name: unpack_data
arguments: data_tag: D615
type_infered: f64
name: unpack_data
arguments: data_tag: D398
type_infered: f64
name: unpack_data
arguments: data_tag: D175
type_infered: f64
name: unpack_data
arguments: data_tag: D12
type_infered: f64

tool: D396: 2.718281828459045

tool: D373: 375

tool: D616: 240

tool: D324: 2

tool: D198: 270

tool: D115: 3

tool: D282: 115

tool: D306: 4

tool: D165: 30

tool: D298: 5

tool: D440: 6

tool: {"D294": [0x00,0x00,0x00,0x00,0x00,0x00,0x10,0xc0]}

tool: D599: 9

tool: D99: 10

tool: D11: 15

tool: D183: 33

tool: D337: 14

tool: D615: 20

tool: D398: 63

tool: D175: 18

tool: D12: 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;
}
```