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All results from a given calculation for C5H11N (Piperidine)

using model chemistry: CBS-Q

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 CBS-Q
Rotational Constants (cm-1) from geometry optimized at CBS-Q
See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (NH axial)

Jump to S1C1
Energy calculated at CBS-Q
 hartrees
Energy at 0K-251.383065
Energy at 298.15K-251.398241
Nuclear repulsion energy259.336607
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3745 3745 0.56      
2 A' 3241 3241 93.58      
3 A' 3225 3225 86.44      
4 A' 3220 3220 61.99      
5 A' 3189 3189 51.46      
6 A' 3171 3171 25.74      
7 A' 3168 3168 38.51      
8 A' 1647 1647 1.20      
9 A' 1631 1631 5.04      
10 A' 1623 1623 4.00      
11 A' 1535 1535 10.45      
12 A' 1516 1516 0.36      
13 A' 1459 1459 0.37      
14 A' 1392 1392 11.09      
15 A' 1300 1300 3.45      
16 A' 1132 1132 2.34      
17 A' 1092 1092 13.17      
18 A' 983 983 20.29      
19 A' 938 938 38.73      
20 A' 871 871 7.77      
21 A' 844 844 96.44      
22 A' 598 598 2.01      
23 A' 467 467 1.11      
24 A' 413 413 6.34      
25 A' 257 257 4.77      
26 A" 3238 3238 54.80      
27 A" 3216 3216 103.10      
28 A" 3182 3182 13.97      
29 A" 3164 3164 25.16      
30 A" 1648 1648 13.69      
31 A" 1627 1627 2.18      
32 A" 1616 1616 2.21      
33 A" 1516 1516 0.42      
34 A" 1504 1504 3.97      
35 A" 1469 1469 0.73      
36 A" 1408 1408 0.70      
37 A" 1322 1322 14.27      
38 A" 1235 1235 25.62      
39 A" 1212 1212 0.01      
40 A" 1132 1132 2.37      
41 A" 1029 1029 4.18      
42 A" 934 934 0.10      
43 A" 875 875 0.27      
44 A" 487 487 0.77      
45 A" 252 252 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 37360.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 37360.0 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 CBS-Q
ABC
0.15039 0.14603 0.08460

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.640 1.325 0.000
H2 0.567 2.412 0.000
H3 1.705 1.084 0.000
C4 -0.009 0.743 1.261
C5 -0.009 0.743 -1.261
C6 -0.009 -0.791 -1.211
C7 -0.009 -0.791 1.211
N8 -0.602 -1.338 0.000
H9 -1.588 -1.165 0.000
H10 0.510 1.089 2.155
H11 0.510 1.089 -2.155
H12 -1.038 1.099 1.338
H13 -1.038 1.099 -1.338
H14 1.017 -1.155 -1.270
H15 1.017 -1.155 1.270
H16 -0.536 -1.203 -2.069
H17 -0.536 -1.203 2.069

Atom - Atom Distances (Å)
  C1 H2 H3 C4 C5 C6 C7 N8 H9 H10 H11 H12 H13 H14 H15 H16 H17
C11.08891.09171.53351.53352.52302.52302.93863.34132.17162.17162.15822.15822.81172.81173.47233.4723
H21.08891.74832.17022.17023.47213.47213.92794.17592.52932.52932.46822.46823.81263.81264.30904.3090
H31.09171.74832.15492.15492.81372.81373.34453.98722.46352.46353.05183.05182.66392.66393.81193.8119
C41.53352.17022.15492.52272.90931.53402.50422.77891.08993.47271.09212.81813.32562.15693.89282.1717
C51.53352.17022.15492.52271.53402.90932.50422.77893.47271.08992.81811.09212.15693.32562.17173.8928
C62.52303.47212.81372.90931.53402.42241.45542.02493.88992.16613.33572.15551.09042.70951.08783.3475
C72.52303.47212.81371.53402.90932.42241.45542.02492.16613.88992.15553.33572.70951.09043.34751.0878
N82.93863.92793.34452.50422.50421.45541.45541.00093.43063.43062.81382.81382.06612.06612.07422.0742
H93.34134.17593.98722.77892.77892.02492.02491.00093.75833.75832.68622.68622.89832.89832.32142.3214
H102.17162.52932.46351.08993.47273.88992.16613.43063.75834.30961.75123.82064.12532.46424.91802.5210
H112.17162.52932.46353.47271.08992.16613.88993.43063.75834.30963.82061.75122.46424.12532.52104.9180
H122.15822.46823.05181.09212.81813.33572.15552.81382.68621.75123.82062.67544.01303.05104.14222.4674
H132.15822.46823.05182.81811.09212.15553.33572.81382.68623.82061.75122.67543.05104.01302.46744.1422
H142.81173.81262.66393.32562.15691.09042.70952.06612.89834.12532.46424.01303.05102.53991.74703.6825
H152.81173.81262.66392.15693.32562.70951.09042.06612.89832.46424.12533.05104.01302.53993.68251.7470
H163.47234.30903.81193.89282.17171.08783.34752.07422.32144.91802.52104.14222.46741.74703.68254.1376
H173.47234.30903.81192.17173.89283.34751.08782.07422.32142.52104.91802.46744.14223.68251.74704.1376

picture of Piperidine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C7 110.670 C1 C4 H10 110.606
C1 C4 H12 109.411 C1 C5 C6 110.670
C1 C5 H11 110.606 C1 C5 H13 109.411
H2 C1 H3 106.598 H2 C1 C4 110.551
H2 C1 C5 110.551 H3 C1 C4 109.182
H3 C1 C5 109.182 C4 C1 C5 110.674
C4 C7 N8 113.765 C4 C7 H15 109.384
C4 C7 H17 110.703 C5 C6 N8 113.765
C5 C6 H14 109.384 C5 C6 H16 110.703
C6 C5 H11 110.135 C6 C5 H13 109.171
C6 N8 C7 112.646 C6 N8 H9 109.660
C7 C4 H10 110.135 C7 C4 H12 109.171
C7 N8 H9 109.660 N8 C6 H14 107.631
N8 C6 H16 108.425 N8 C7 H15 107.631
N8 C7 H17 108.425 H10 C4 H12 106.755
H11 C5 H13 106.755 H14 C6 H16 106.647
H15 C7 H17 106.647
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability