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All results from a given calculation for C5H11N (Piperidine)

using model chemistry: QCISD/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 QCISD/6-31G*
Rotational Constants (cm-1) from geometry optimized at QCISD/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (NH axial)

Jump to S1C1
Energy calculated at QCISD/6-31G*
 hartrees
Energy at 0K-251.067883
Energy at 298.15K-251.082313
Nuclear repulsion energy258.295419
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 QCISD/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' 3473 3308 2.14      
2 A' 3107 2959 68.69      
3 A' 3096 2949 45.19      
4 A' 3090 2942 40.09      
5 A' 3052 2907 42.52      
6 A' 3043 2898 22.19      
7 A' 3040 2895 24.35      
8 A' 1557 1483 2.21      
9 A' 1543 1469 10.75      
10 A' 1538 1465 1.66      
11 A' 1435 1367 5.23      
12 A' 1425 1357 0.47      
13 A' 1371 1306 0.51      
14 A' 1316 1253 10.05      
15 A' 1233 1174 4.48      
16 A' 1081 1030 0.78      
17 A' 1047 997 9.73      
18 A' 956 910 25.03      
19 A' 891 848 38.05      
20 A' 844 804 3.78      
21 A' 814 776 80.97      
22 A' 568 541 2.01      
23 A' 444 423 1.01      
24 A' 404 385 5.82      
25 A' 249 237 4.73      
26 A" 3105 2956 30.64      
27 A" 3088 2941 67.28      
28 A" 3048 2903 14.93      
29 A" 3038 2893 25.58      
30 A" 1541 1467 4.24      
31 A" 1538 1464 3.64      
32 A" 1521 1448 7.72      
33 A" 1425 1357 0.37      
34 A" 1412 1345 2.16      
35 A" 1384 1318 1.32      
36 A" 1330 1266 0.76      
37 A" 1250 1190 11.98      
38 A" 1173 1117 15.12      
39 A" 1145 1091 1.73      
40 A" 1095 1043 3.44      
41 A" 975 928 4.84      
42 A" 904 861 0.00      
43 A" 830 790 0.08      
44 A" 461 439 0.95      
45 A" 246 235 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 35561.2 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 33864.9 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 QCISD/6-31G*
ABC
0.14984 0.14629 0.08444

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.646 1.323 0.000
H2 0.586 2.420 0.000
H3 1.718 1.066 0.000
C4 -0.008 0.745 1.261
C5 -0.008 0.745 -1.261
C6 -0.008 -0.789 -1.214
C7 -0.008 -0.789 1.214
N8 -0.616 -1.350 0.000
H9 -1.611 -1.112 0.000
H10 0.510 1.098 2.165
H11 0.510 1.098 -2.165
H12 -1.048 1.102 1.330
H13 -1.048 1.102 -1.330
H14 1.030 -1.156 -1.257
H15 1.030 -1.156 1.257
H16 -0.530 -1.208 -2.084
H17 -0.530 -1.208 2.084

Atom - Atom Distances (Å)
  C1 H2 H3 C4 C5 C6 C7 N8 H9 H10 H11 H12 H13 H14 H15 H16 H17
C11.09901.10191.53351.53352.52192.52192.95623.32072.18112.18112.16542.16542.80572.80573.48313.4831
H21.09901.76502.17912.17913.48173.48173.95734.15992.53822.53822.48522.48523.81663.81664.33024.3302
H31.10191.76502.16112.16112.80922.80923.35973.97862.47952.47953.06933.06932.64432.64433.81673.8167
C41.53352.17912.16112.52162.91111.53432.51972.75871.10013.48271.10212.81473.32092.16543.90832.1825
C51.53352.17912.16112.52161.53432.91112.51972.75873.48271.10012.81471.10212.16543.32092.18253.9083
C62.52193.48172.80922.91111.53432.42731.46922.03703.90412.17523.33582.16101.10112.70461.09833.3652
C72.52193.48172.80921.53432.91112.42731.46922.03702.17523.90412.16103.33582.70461.10113.36521.0983
N82.95623.95733.35972.51972.51971.46921.46921.02303.45653.45652.82272.82272.08012.08012.09102.0910
H93.32074.15993.97862.75872.75872.03702.03701.02303.75113.75112.64362.64362.92512.92512.35012.3501
H102.18112.53822.47951.10013.48273.90412.17523.45653.75114.33021.76763.82674.13042.48464.94502.5303
H112.18112.53822.47953.48271.10012.17523.90413.45653.75114.33023.82671.76762.48464.13042.53034.9450
H122.16542.48523.06931.10212.81473.33582.16102.82272.64361.76763.82672.66034.01343.06904.15462.4842
H132.16542.48523.06932.81471.10212.16103.33582.82272.64363.82671.76762.66033.06904.01342.48424.1546
H142.80573.81662.64433.32092.16541.10112.70462.08012.92514.13042.48464.01343.06902.51421.76583.6877
H152.80573.81662.64432.16543.32092.70461.10112.08012.92512.48464.13043.06904.01342.51423.68771.7658
H163.48314.33023.81673.90832.18251.09833.36522.09102.35014.94502.53034.15462.48421.76583.68774.1686
H173.48314.33023.81672.18253.90833.36521.09832.09102.35012.53034.94502.48424.15463.68771.76584.1686

picture of Piperidine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C7 110.580 C1 C4 H10 110.752
C1 C4 H12 109.404 C1 C5 C6 110.580
C1 C5 H11 110.752 C1 C5 H13 109.404
H2 C1 H3 106.635 H2 C1 C4 110.662
H2 C1 C5 110.662 H3 C1 C4 109.083
H3 C1 C5 109.083 C4 C1 C5 110.610
C4 C7 N8 114.035 C4 C7 H15 109.400
C4 C7 H17 110.914 C5 C6 N8 114.035
C5 C6 H14 109.400 C5 C6 H16 110.914
C6 C5 H11 110.232 C6 C5 H13 109.007
C6 N8 C7 111.391 C6 N8 H9 108.309
C7 C4 H10 110.232 C7 C4 H12 109.007
C7 N8 H9 108.309 N8 C6 H14 107.183
N8 C6 H16 108.187 N8 C7 H15 107.183
N8 C7 H17 108.187 H10 C4 H12 106.773
H11 C5 H13 106.773 H14 C6 H16 106.812
H15 C7 H17 106.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability