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: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-42.323128
Energy at 298.15K-42.334767
Nuclear repulsion energy130.299794
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 HF/CEP-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 3764 3380 0.49      
2 A 3362 3019 58.00      
3 A 3328 2989 23.59      
4 A 3282 2947 87.51      
5 A 3264 2931 47.76      
6 A 3247 2916 105.60      
7 A 3233 2903 39.63      
8 A 3221 2892 86.19      
9 A 3202 2875 62.50      
10 A 1871 1680 3.52      
11 A 1638 1471 12.39      
12 A 1633 1466 0.81      
13 A 1621 1455 2.44      
14 A 1613 1448 1.72      
15 A 1536 1379 15.10      
16 A 1532 1376 10.39      
17 A 1499 1346 2.86      
18 A 1464 1315 0.33      
19 A 1438 1291 1.94      
20 A 1363 1224 5.50      
21 A 1302 1169 23.46      
22 A 1288 1156 4.96      
23 A 1225 1100 14.36      
24 A 1197 1075 3.17      
25 A 1118 1004 4.90      
26 A 1100 988 1.39      
27 A 1083 972 11.29      
28 A 1060 952 11.36      
29 A 982 882 27.34      
30 A 956 858 8.28      
31 A 910 817 36.67      
32 A 883 793 65.24      
33 A 817 733 43.86      
34 A 715 642 22.83      
35 A 552 496 0.96      
36 A 509 457 0.82      
37 A 411 369 1.64      
38 A 312 280 8.54      
39 A 180 162 1.98      

Unscaled Zero Point Vibrational Energy (zpe) 31853.6 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 28604.5 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 HF/CEP-31G*
ABC
0.16231 0.15608 0.08740

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.561 2.012 0.133
C2 -0.872 1.180 0.057
H3 0.824 2.421 -0.085
C4 0.451 1.405 -0.047
H5 2.318 0.495 0.518
H6 1.846 0.179 -1.139
C7 1.460 0.267 -0.119
H8 0.679 -1.056 1.410
H9 1.451 -1.903 0.078
C10 0.808 -1.058 0.327
H11 -2.315 -0.287 -0.583
H12 -1.840 -0.435 1.094
C13 -1.459 -0.228 0.091
H14 -0.410 -1.292 -1.277
N15 -0.509 -1.280 -0.276

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 H14 N15
H11.08312.42892.10914.18324.07303.49804.00724.93983.88222.52372.64432.24323.77263.4801
C21.08312.10591.34583.29543.13412.51063.03843.86002.81072.15502.14971.52602.84712.5086
H32.42892.10591.08302.51172.68082.24623.78694.37193.50284.17524.07953.50124.09053.9381
C42.10911.34581.08302.15312.15481.52262.86863.45762.51613.28603.15232.51643.08672.8603
H54.18323.29542.51172.15311.75231.09282.42612.58672.17444.82574.29983.86923.72303.4314
H64.07303.13412.68082.15481.75231.09453.06352.44342.18084.22384.35363.54992.69692.9018
C73.49802.51062.24621.52261.09281.09452.16752.17861.54253.84343.58572.96812.69652.5093
H84.00723.03843.78692.86862.42613.06352.16751.75691.09093.67692.61322.64442.90912.0747
H94.93983.86004.37193.45762.58672.44342.17861.75691.09084.15073.74403.35742.38242.0875
C103.88222.81073.50282.51612.17442.18081.54251.09091.09083.34192.82612.42482.02751.4653
H112.52372.15504.17523.28604.82574.22383.84343.67694.15073.34191.74861.09062.26272.0827
H122.64432.14974.07953.15234.29984.35363.58572.61323.74402.82611.74861.09302.89882.0885
C132.24321.52603.50122.51643.86923.54992.96812.64443.35742.42481.09061.09302.02571.4636
H143.77262.84714.09053.08673.72302.69692.69652.90912.38242.02752.26272.89882.02571.0061
N153.48012.50863.93812.86033.43142.90182.50932.07472.08751.46532.08272.08851.46361.0061

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 120.147 H1 C2 C13 117.582
C2 C4 H3 119.846 C2 C4 C7 122.034
C2 C13 H11 109.774 C2 C13 H12 109.220
C2 C13 N15 114.082 H3 C4 C7 118.120
C4 C2 C13 122.267 C4 C7 H5 109.727
C4 C7 H6 109.763 C4 C7 C10 110.342
H5 C7 H6 106.478 H5 C7 C10 110.022
H6 C7 C10 110.433 C7 C10 H8 109.593
C7 C10 H9 110.475 C7 C10 N15 113.052
H8 C10 H9 107.281 H8 C10 N15 107.616
H9 C10 N15 108.622 C10 N15 C13 111.770
C10 N15 H14 108.823 H11 C13 H12 106.412
H11 C13 N15 108.376 H12 C13 N15 108.691
C13 N15 H14 108.806
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.254      
2 C -0.335      
3 H 0.254      
4 C -0.357      
5 H 0.092      
6 H 0.087      
7 C -0.030      
8 H 0.106      
9 H 0.157      
10 C -0.189      
11 H 0.136      
12 H 0.107      
13 C -0.141      
14 H 0.271      
15 N -0.413      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.587 0.992 -0.507 1.260
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.252 -2.084 0.138
y -2.084 -41.100 0.922
z 0.138 0.922 -36.865
Traceless
 xyz
x 3.731 -2.084 0.138
y -2.084 -5.042 0.922
z 0.138 0.922 1.311
Polar
3z2-r22.622
x2-y25.848
xy-2.084
xz0.138
yz0.922


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.054 0.124 -0.239
y 0.124 7.698 -0.007
z -0.239 -0.007 6.206


<r2> (average value of r2) Å2
<r2> 122.904
(<r2>)1/2 11.086