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All results from a given calculation for C5H11N (Piperidine)

using model chemistry: MP2=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes NH axial 1A'

Conformer 1 (NH equatorial)

Jump to S1C2
Vibrational Frequencies calculated at MP2=FULL/6-31G**
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (NH axial)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G**
 hartrees
Energy at 0K-251.122799
Energy at 298.15K-251.137265
Nuclear repulsion energy259.679844
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3567 3333 0.43      
2 A' 3183 2975 78.30      
3 A' 3176 2968 25.70      
4 A' 3168 2960 24.56      
5 A' 3114 2910 38.30      
6 A' 3112 2907 22.54      
7 A' 3109 2905 25.86      
8 A' 1558 1456 1.91      
9 A' 1544 1442 9.98      
10 A' 1539 1438 1.35      
11 A' 1438 1344 5.74      
12 A' 1427 1333 0.59      
13 A' 1376 1286 0.21      
14 A' 1321 1234 10.01      
15 A' 1231 1150 4.05      
16 A' 1084 1013 0.50      
17 A' 1050 981 9.38      
18 A' 958 895 16.55      
19 A' 892 833 38.11      
20 A' 850 794 0.90      
21 A' 808 755 91.43      
22 A' 564 527 2.54      
23 A' 442 413 0.95      
24 A' 408 382 5.48      
25 A' 250 234 4.69      
26 A" 3181 2972 16.13      
27 A" 3168 2961 56.83      
28 A" 3111 2907 16.28      
29 A" 3107 2903 37.32      
30 A" 1538 1437 3.74      
31 A" 1538 1437 0.43      
32 A" 1511 1411 10.07      
33 A" 1426 1333 0.51      
34 A" 1414 1321 2.65      
35 A" 1386 1295 1.07      
36 A" 1337 1249 0.62      
37 A" 1253 1171 11.86      
38 A" 1176 1099 15.31      
39 A" 1147 1072 1.65      
40 A" 1101 1028 3.61      
41 A" 976 912 4.81      
42 A" 910 850 0.01      
43 A" 831 777 0.08      
44 A" 459 429 0.95      
45 A" 250 233 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 35992.4 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 33631.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G**
ABC
0.15144 0.14775 0.08535

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.649 1.313 0.000
H2 0.600 2.403 0.000
H3 1.709 1.044 0.000
C4 -0.008 0.743 1.254
C5 -0.008 0.743 -1.254
C6 -0.008 -0.785 -1.207
C7 -0.008 -0.785 1.207
N8 -0.617 -1.344 0.000
H9 -1.605 -1.102 0.000
H10 0.502 1.093 2.153
H11 0.502 1.093 -2.153
H12 -1.042 1.096 1.315
H13 -1.042 1.096 -1.315
H14 1.024 -1.145 -1.244
H15 1.024 -1.145 1.244
H16 -0.522 -1.200 -2.075
H17 -0.522 -1.200 2.075

Atom - Atom Distances (Å)
  C1 H2 H3 C4 C5 C6 C7 N8 H9 H10 H11 H12 H13 H14 H15 H16 H17
C11.09071.09371.52651.52652.50802.50802.94313.30352.16962.16962.15272.15272.78042.78043.46293.4629
H21.09071.75372.16772.16773.46233.46233.93934.14082.52232.52232.47642.47643.78343.78344.30634.3063
H31.09371.75372.14762.14762.78402.78403.33373.94822.46892.46893.04913.04912.60962.60963.78403.7840
C41.52652.16772.14762.50842.89681.52792.50932.74331.09183.46341.09372.79183.29672.15113.88842.1706
C51.52652.16772.14762.50841.52792.89682.50932.74333.46341.09182.79181.09372.15113.29672.17063.8884
C62.50803.46232.78402.89681.52792.41461.46332.02693.88352.16383.31152.14821.09352.68401.09043.3479
C72.50803.46232.78401.52792.89682.41461.46332.02692.16383.88352.14823.31152.68401.09353.34791.0904
N82.94313.93933.33372.50932.50931.46331.46331.01673.43933.43932.80352.80352.06892.06892.08182.0818
H93.30354.14083.94822.74332.74332.02692.02691.01673.72793.72792.62242.62242.90852.90852.34242.3424
H102.16962.52232.46891.09183.46343.88352.16383.43933.72794.30681.75673.79664.10172.47144.91792.5129
H112.16962.52232.46893.46341.09182.16383.88353.43933.72794.30683.79661.75672.47144.10172.51294.9179
H122.15272.47643.04911.09372.79183.31152.14822.80352.62241.75673.79662.63043.97933.04794.12702.4733
H132.15272.47643.04912.79181.09372.14823.31152.80352.62243.79661.75672.63043.04793.97932.47334.1270
H142.78043.78342.60963.29672.15111.09352.68402.06892.90854.10172.47143.97933.04792.48821.75553.6615
H152.78043.78342.60962.15113.29672.68401.09352.06892.90852.47144.10173.04793.97932.48823.66151.7555
H163.46294.30633.78403.88842.17061.09043.34792.08182.34244.91792.51294.12702.47331.75553.66154.1494
H173.46294.30633.78402.17063.88843.34791.09042.08182.34242.51294.91792.47334.12703.66151.75554.1494

picture of Piperidine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C7 110.392 C1 C4 H10 110.824
C1 C4 H12 109.373 C1 C5 C6 110.392
C1 C5 H11 110.824 C1 C5 H13 109.373
H2 C1 H3 106.801 H2 C1 C4 110.743
H2 C1 C5 110.743 H3 C1 C4 108.977
H3 C1 C5 108.977 C4 C1 C5 110.497
C4 C7 N8 114.026 C4 C7 H15 109.164
C4 C7 H17 110.885 C5 C6 N8 114.026
C5 C6 H14 109.164 C5 C6 H16 110.885
C6 C5 H11 110.258 C6 C5 H13 108.927
C6 N8 C7 111.189 C6 N8 H9 108.281
C7 C4 H10 110.258 C7 C4 H12 108.927
C7 N8 H9 108.281 N8 C6 H14 107.141
N8 C6 H16 108.331 N8 C7 H15 107.141
N8 C7 H17 108.331 H10 C4 H12 106.982
H11 C5 H13 106.982 H14 C6 H16 106.998
H15 C7 H17 106.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability