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All results from a given calculation for C5H11N (Piperidine)

using model chemistry: MP2=FULL/6-31G(2df,p)

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(2df,p)
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/6-31G(2df,p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (NH axial)

Jump to S1C1
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-251.285088
Energy at 298.15K-251.299548
Nuclear repulsion energy260.368755
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(2df,p)
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' 3565 3351 0.13      
2 A' 3166 2976 64.04      
3 A' 3159 2969 17.27      
4 A' 3151 2962 14.86      
5 A' 3099 2913 18.75      
6 A' 3098 2912 26.84      
7 A' 3095 2909 20.29      
8 A' 1538 1445 2.51      
9 A' 1521 1430 10.02      
10 A' 1519 1427 3.39      
11 A' 1420 1335 3.33      
12 A' 1410 1326 1.45      
13 A' 1367 1285 0.02      
14 A' 1312 1233 8.86      
15 A' 1214 1141 3.30      
16 A' 1082 1017 0.78      
17 A' 1046 983 8.28      
18 A' 955 898 8.60      
19 A' 889 836 38.48      
20 A' 851 800 0.12      
21 A' 800 752 91.22      
22 A' 560 527 1.39      
23 A' 437 411 0.99      
24 A' 410 385 5.05      
25 A' 252 237 4.51      
26 A" 3162 2972 6.57      
27 A" 3152 2963 48.63      
28 A" 3097 2911 10.74      
29 A" 3094 2908 37.75      
30 A" 1519 1428 5.23      
31 A" 1516 1425 0.02      
32 A" 1495 1405 9.77      
33 A" 1408 1324 0.01      
34 A" 1397 1313 2.07      
35 A" 1370 1287 0.98      
36 A" 1328 1248 0.41      
37 A" 1248 1173 14.47      
38 A" 1177 1106 13.06      
39 A" 1144 1075 1.59      
40 A" 1098 1032 3.36      
41 A" 970 912 4.92      
42 A" 912 857 0.20      
43 A" 828 778 0.05      
44 A" 457 430 0.87      
45 A" 249 234 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 35768.3 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 33618.6 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(2df,p)
ABC
0.15244 0.14850 0.08607

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.660 1.302 0.000
H2 0.630 2.393 0.000
H3 1.715 1.013 0.000
C4 -0.010 0.742 1.248
C5 -0.010 0.742 -1.248
C6 -0.010 -0.782 -1.201
C7 -0.010 -0.782 1.201
N8 -0.624 -1.335 0.000
H9 -1.609 -1.091 0.000
H10 0.495 1.092 2.151
H11 0.495 1.092 -2.151
H12 -1.043 1.098 1.298
H13 -1.043 1.098 -1.298
H14 1.022 -1.142 -1.234
H15 1.022 -1.142 1.234
H16 -0.520 -1.198 -2.072
H17 -0.520 -1.198 2.072

Atom - Atom Distances (Å)
  C1 H2 H3 C4 C5 C6 C7 N8 H9 H10 H11 H12 H13 H14 H15 H16 H17
C11.09111.09381.52361.52362.49732.49732.93313.29812.16792.16792.15182.15182.76172.76173.45443.4544
H21.09111.75522.16622.16623.45443.45443.93304.14142.51772.51772.48272.48273.76443.76444.30174.3017
H31.09381.75522.14682.14682.76462.76463.31453.93432.47452.47453.05013.05012.57822.57823.76503.7650
C41.52362.16622.14682.49672.88511.52532.50002.73421.09223.45481.09382.77133.28282.14883.87882.1680
C51.52362.16622.14682.49671.52532.88512.50002.73423.45481.09222.77131.09382.14883.28282.16803.8788
C62.49733.45442.76462.88511.52532.40211.45772.02353.87382.16123.29382.14731.09392.66891.09113.3382
C72.49733.45442.76461.52532.88512.40211.45772.02352.16123.87382.14733.29382.66891.09393.33821.0911
N82.93313.93303.31452.50002.50001.45771.45771.01473.43083.43082.78902.78902.06632.06632.07892.0789
H93.29814.14143.93432.73422.73422.02352.02351.01473.71773.71772.60702.60702.90672.90672.34302.3430
H102.16792.51772.47451.09223.45483.87382.16123.43083.71774.30271.75913.77734.08982.47214.90982.5055
H112.16792.51772.47453.45481.09222.16123.87383.43083.71774.30273.77731.75912.47214.08982.50554.9098
H122.15182.48273.05011.09382.77133.29382.14732.78902.60701.75913.77732.59693.96173.04764.11092.4778
H132.15182.48273.05012.77131.09382.14733.29382.78902.60703.77731.75912.59693.04763.96172.47784.1109
H142.76173.76442.57823.28282.14881.09392.66892.06632.90674.08982.47213.96173.04762.46711.75623.6479
H152.76173.76442.57822.14883.28282.66891.09392.06632.90672.47214.08983.04763.96172.46713.64791.7562
H163.45444.30173.76503.87882.16801.09113.33822.07892.34304.90982.50554.11092.47781.75623.64794.1435
H173.45444.30173.76502.16803.87883.33821.09112.07892.34302.50554.90982.47784.11093.64791.75624.1435

picture of Piperidine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 C7 109.990 C1 C4 H10 110.866
C1 C4 H12 109.503 C1 C5 C6 109.990
C1 C5 H11 110.866 C1 C5 H13 109.503
H2 C1 H3 106.904 H2 C1 C4 110.800
H2 C1 C5 110.800 H3 C1 C4 109.110
H3 C1 C5 109.110 C4 C1 C5 110.038
C4 C7 N8 113.857 C4 C7 H15 109.142
C4 C7 H17 110.829 C5 C6 N8 113.857
C5 C6 H14 109.142 C5 C6 H16 110.829
C6 C5 H11 110.217 C6 C5 H13 109.035
C6 N8 C7 110.962 C6 N8 H9 108.530
C7 C4 H10 110.217 C7 C4 H12 109.035
C7 N8 H9 108.530 N8 C6 H14 107.298
N8 C6 H16 108.449 N8 C7 H15 107.298
N8 C7 H17 108.449 H10 C4 H12 107.168
H11 C5 H13 107.168 H14 C6 H16 106.985
H15 C7 H17 106.985
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability