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/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 HF/6-31G*
 hartrees
Energy at 0K-248.998424
Energy at 298.15K-249.010143
HF Energy-248.998424
Nuclear repulsion energy240.854752
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/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 3745 3364 0.37      
2 A 3353 3012 46.48      
3 A 3327 2989 15.98      
4 A 3259 2928 60.94      
5 A 3235 2906 46.19      
6 A 3224 2896 87.32      
7 A 3206 2881 20.33      
8 A 3190 2866 59.87      
9 A 3173 2851 47.48      
10 A 1886 1695 1.42      
11 A 1649 1482 10.80      
12 A 1648 1480 0.78      
13 A 1636 1470 1.62      
14 A 1628 1463 1.94      
15 A 1552 1395 0.25      
16 A 1543 1386 15.60      
17 A 1511 1358 4.98      
18 A 1487 1336 0.21      
19 A 1454 1306 1.45      
20 A 1378 1238 5.10      
21 A 1322 1188 15.86      
22 A 1307 1174 4.87      
23 A 1238 1112 19.78      
24 A 1221 1097 3.33      
25 A 1128 1013 2.09      
26 A 1120 1006 0.62      
27 A 1097 985 11.57      
28 A 1071 963 13.33      
29 A 984 884 14.41      
30 A 958 861 3.76      
31 A 921 828 44.32      
32 A 881 791 68.57      
33 A 827 743 39.43      
34 A 722 649 18.77      
35 A 566 509 1.08      
36 A 521 468 0.84      
37 A 433 389 1.04      
38 A 315 283 9.07      
39 A 185 166 1.57      

Unscaled Zero Point Vibrational Energy (zpe) 31948.6 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 28705.9 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 HF/6-31G*
ABC
0.16465 0.15903 0.08876

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -1.481 2.031 0.130
C2 -0.819 1.184 0.057
H3 0.889 2.363 -0.091
C4 0.485 1.364 -0.050
H5 2.314 0.415 0.530
H6 1.858 0.123 -1.123
C7 1.459 0.214 -0.113
H8 0.664 -1.106 1.390
H9 1.392 -1.948 0.046
C10 0.779 -1.093 0.310
H11 -2.306 -0.224 -0.570
H12 -1.834 -0.386 1.093
C13 -1.448 -0.190 0.095
H14 -0.457 -1.296 -1.273
N15 -0.540 -1.264 -0.275

Atom - Atom Distances (Å)
  H1 C2 H3 C4 H5 H6 C7 H8 H9 C10 H11 H12 C13 H14 N15
H11.07812.40322.08354.14374.04453.46514.00394.90833.85992.50112.62582.22143.75303.4503
C21.07812.08051.32033.25973.11152.48173.03613.83292.79252.14132.13721.51102.83672.4853
H32.40322.08051.07762.49152.64942.22343.77854.34183.48024.13854.04613.46564.07373.9022
C42.08351.32031.07762.14072.13951.50932.86563.43562.50083.25283.12212.48433.07582.8300
H54.14373.25972.49152.14071.73931.08772.40352.58222.16244.79144.26153.83463.72243.4076
H64.04453.11152.64942.13951.73931.09013.04182.42352.16694.21474.33593.53672.71962.8973
C73.46512.48172.22341.50931.08771.09012.15242.16841.53223.81803.55782.94242.70172.4916
H84.00393.03613.77852.86562.40353.04182.15241.74461.08603.66592.61632.64152.89562.0608
H94.90833.83294.34183.43562.58222.42352.16841.74461.08454.12603.73363.34012.36312.0747
C103.85992.79253.48022.50082.16242.16691.53221.08601.08453.32372.81792.41282.01921.4537
H112.50112.14134.13853.25284.79144.21473.81803.66594.12603.32371.73631.08572.24962.0700
H122.62582.13724.04613.12214.26154.33593.55782.61633.73362.81791.73631.08852.88472.0773
C132.22141.51103.46562.48433.83463.53672.94242.64153.34012.41281.08571.08852.01871.4537
H143.75302.83674.07373.07583.72242.71962.70172.89562.36312.01922.24962.88472.01871.0021
N153.45032.48533.90222.83003.40762.89732.49162.06082.07471.45372.07002.07731.45371.0021

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 120.273 H1 C2 C13 117.200
C2 C4 H3 120.025 C2 C4 C7 122.430
C2 C13 H11 110.024 C2 C13 H12 109.529
C2 C13 N15 113.902 H3 C4 C7 117.544
C4 C2 C13 122.526 C4 C7 H5 109.969
C4 C7 H6 109.738 C4 C7 C10 110.615
H5 C7 H6 106.007 H5 C7 C10 110.094
H6 C7 C10 110.317 C7 C10 H8 109.408
C7 C10 H9 110.762 C7 C10 N15 113.093
H8 C10 H9 106.984 H8 C10 N15 107.589
H9 C10 N15 108.775 C10 N15 C13 112.174
C10 N15 H14 109.232 H11 C13 H12 105.999
H11 C13 N15 108.332 H12 C13 N15 108.744
C13 N15 H14 109.189
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.179      
2 C -0.206      
3 H 0.180      
4 C -0.179      
5 H 0.167      
6 H 0.162      
7 C -0.347      
8 H 0.169      
9 H 0.171      
10 C -0.145      
11 H 0.171      
12 H 0.175      
13 C -0.146      
14 H 0.334      
15 N -0.685      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.520 0.934 -0.511 1.185
CHELPG 0.487 0.895 -0.503 1.136
AIM        
ESP 0.493 0.883 -0.503 1.130


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.718 -2.072 0.220
y -2.072 -40.458 0.932
z 0.220 0.932 -36.900
Traceless
 xyz
x 2.961 -2.072 0.220
y -2.072 -4.149 0.932
z 0.220 0.932 1.189
Polar
3z2-r22.377
x2-y24.740
xy-2.072
xz0.220
yz0.932


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.876 -0.039 -0.232
y -0.039 7.557 0.069
z -0.232 0.069 6.083


<r2> (average value of r2) Å2
<r2> 146.184
(<r2>)1/2 12.091