return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H9N (1,2,3,6-Tetrahydropyridine)

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-249.445455
Energy at 298.15K-249.456824
HF Energy-248.888777
Nuclear repulsion energy236.685674
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 MP2/6-31G
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 3506 3355 0.66      
2 A 3187 3049 44.95      
3 A 3159 3022 11.45      
4 A 3123 2988 39.21      
5 A 3095 2961 26.51      
6 A 3077 2944 51.43      
7 A 3061 2929 21.34      
8 A 3042 2911 45.90      
9 A 3030 2899 31.96      
10 A 1697 1624 1.06      
11 A 1561 1493 2.14      
12 A 1560 1493 2.48      
13 A 1553 1486 4.32      
14 A 1530 1464 4.48      
15 A 1455 1393 0.51      
16 A 1423 1361 0.71      
17 A 1401 1341 5.67      
18 A 1398 1338 0.10      
19 A 1350 1292 0.26      
20 A 1289 1233 3.90      
21 A 1253 1199 6.63      
22 A 1227 1174 4.52      
23 A 1148 1099 4.19      
24 A 1124 1076 19.56      
25 A 1070 1023 0.84      
26 A 1043 998 6.04      
27 A 1008 964 8.75      
28 A 989 946 1.45      
29 A 919 879 1.77      
30 A 902 863 2.07      
31 A 866 828 22.88      
32 A 785 751 12.15      
33 A 734 703 147.00      
34 A 666 638 29.59      
35 A 532 509 2.35      
36 A 490 469 0.73      
37 A 404 387 2.40      
38 A 294 281 11.06      
39 A 163 156 1.91      

Unscaled Zero Point Vibrational Energy (zpe) 30056.0 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 28757.6 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 MP2/6-31G
ABC
0.15973 0.15290 0.08581

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.494 2.069 0.145
C2 -0.832 1.204 0.056
H3 0.926 2.387 -0.090
C4 0.509 1.379 -0.053
H5 2.364 0.410 0.513
H6 1.870 0.094 -1.153
C7 1.487 0.209 -0.124
H8 0.657 -1.092 1.419
H9 1.406 -1.983 0.079
C10 0.794 -1.105 0.327
H11 -2.342 -0.216 -0.592
H12 -1.875 -0.382 1.104
C13 -1.482 -0.176 0.095
H14 -0.489 -1.379 -1.293
N15 -0.554 -1.282 -0.277

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 H14 N15
H11.09282.45232.12754.21524.11133.52314.02984.98363.91712.54572.65922.24573.86873.5058
C21.09282.12411.35613.32423.16142.52893.05713.89472.83732.17162.16871.52662.93432.5238
H32.45232.12411.09242.51782.69822.24913.80204.40023.51994.20814.11623.52254.19933.9614
C42.12751.35611.09242.16762.17141.52572.87933.48212.52883.31043.18122.53073.18412.8741
H54.21523.32422.51782.16761.76661.10282.44762.61442.18984.87424.35273.91333.82133.4651
H64.11133.16142.69822.17141.76661.10473.08142.45952.18814.26084.39893.58762.78472.9224
C73.52312.52892.24911.52571.10281.10472.18212.20351.55273.88023.62743.00182.79142.5326
H84.02983.05713.80202.87932.44763.08142.18211.77541.10053.71552.64852.67782.95832.0935
H94.98363.89474.40023.48212.61442.45952.20351.77541.09884.19823.79263.40752.41652.1128
C103.91712.83733.51992.52882.18982.18811.55271.10051.09883.38702.87282.47002.08491.4888
H112.54572.17164.20813.31044.87424.26083.88023.71554.19823.38701.76691.10052.29792.1050
H122.65922.16874.11623.18124.35274.39893.62742.64853.79262.87281.76691.10282.94352.1128
C132.24571.52663.52252.53073.91333.58763.00182.67783.40752.47001.10051.10282.08801.4908
H143.86872.93434.19933.18413.82132.78472.79142.95832.41652.08492.29792.94352.08801.0223
N153.50582.52383.96142.87413.46512.92242.53262.09352.11281.48882.10502.11281.49081.0223

picture of 1,2,3,6-Tetrahydropyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 120.247 H1 C2 C13 117.070
C2 C4 H3 119.951 C2 C4 C7 122.587
C2 C13 H11 110.459 C2 C13 H12 110.091
C2 C13 N15 113.520 H3 C4 C7 117.462
C4 C2 C13 122.666 C4 C7 H5 110.071
C4 C7 H6 110.255 C4 C7 C10 110.462
H5 C7 H6 106.313 H5 C7 C10 109.949
H6 C7 C10 109.707 C7 C10 H8 109.484
C7 C10 H9 111.266 C7 C10 N15 112.737
H8 C10 H9 107.658 H8 C10 N15 106.944
H9 C10 N15 108.538 C10 N15 C13 111.988
C10 N15 H14 110.884 H11 C13 H12 106.634
H11 C13 N15 107.699 H12 C13 N15 108.166
C13 N15 H14 110.993
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability