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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: B3LYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-31G
 hartrees
Energy at 0K-248.216177
Energy at 298.15K-248.222366
Nuclear repulsion energy204.948955
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 B3LYP/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 A1 3232 3109 4.40      
2 A1 3208 3086 22.10      
3 A1 3196 3075 1.46      
4 A1 1629 1568 16.37      
5 A1 1526 1468 6.56      
6 A1 1262 1215 2.02      
7 A1 1109 1067 1.52      
8 A1 1059 1019 6.56      
9 A1 1005 967 5.16      
10 A1 629 606 4.03      
11 A2 1019 980 0.00      
12 A2 919 884 0.00      
13 A2 392 377 0.00      
14 B1 1043 1004 0.02      
15 B1 976 938 0.00      
16 B1 774 745 10.66      
17 B1 737 709 58.33      
18 B1 433 416 4.70      
19 B2 3221 3098 47.51      
20 B2 3198 3076 14.52      
21 B2 1625 1564 5.41      
22 B2 1493 1436 28.31      
23 B2 1416 1363 0.40      
24 B2 1301 1252 0.60      
25 B2 1212 1166 1.30      
26 B2 1093 1052 0.39      
27 B2 682 656 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 19695.2 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 18946.8 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 B3LYP/6-31G
ABC
0.19824 0.19307 0.09781

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.422
C2 0.000 0.000 -1.387
C3 0.000 1.158 0.724
C4 0.000 -1.158 0.724
C5 0.000 1.205 -0.675
C6 0.000 -1.205 -0.675
H7 0.000 0.000 -2.472
H8 0.000 2.069 1.313
H9 0.000 -2.069 1.313
H10 0.000 2.160 -1.189
H11 0.000 -2.160 -1.189

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.80901.35201.35202.41822.41823.89452.07222.07223.38863.3886
C22.80902.40722.40721.39961.39961.08553.40163.40162.16912.1691
C31.35202.40722.31531.39912.74523.39931.08553.28032.15933.8294
C41.35202.40722.31532.74521.39913.39933.28031.08553.82942.1593
C52.41821.39961.39912.74522.40962.16422.16743.83011.08493.4039
C62.41821.39962.74521.39912.40962.16423.83012.16743.40391.0849
H73.89451.08553.39933.39932.16422.16424.31404.31402.51272.5127
H82.07223.40161.08553.28032.16743.83014.31404.13862.50334.9139
H92.07223.40163.28031.08553.83012.16744.31404.13864.91392.5033
H103.38862.16912.15933.82941.08493.40392.51272.50334.91394.3202
H113.38862.16913.82942.15933.40391.08492.51274.91392.50334.3202

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.036 N1 C3 H8 116.022
N1 C4 C6 123.036 N1 C4 H9 116.022
C2 C5 C3 118.659 C2 C5 H10 121.118
C2 C6 C4 118.659 C2 C6 H11 121.118
C3 N1 C4 117.791 C3 C5 H10 120.222
C4 C6 H11 120.222 C5 C2 C6 118.817
C5 C2 H7 120.591 C5 C3 H8 120.942
C6 C2 H7 120.591 C6 C4 H9 120.942
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.368      
2 C -0.118      
3 C -0.001      
4 C -0.001      
5 C -0.110      
6 C -0.110      
7 H 0.142      
8 H 0.146      
9 H 0.146      
10 H 0.138      
11 H 0.138      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.483 2.483
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.200 0.000 0.000
y 0.000 -29.087 0.000
z 0.000 0.000 -36.717
Traceless
 xyz
x -4.298 0.000 0.000
y 0.000 7.872 0.000
z 0.000 0.000 -3.573
Polar
3z2-r2-7.146
x2-y2-8.113
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.779 0.000 0.000
y 0.000 10.086 0.000
z 0.000 0.000 9.107


<r2> (average value of r2) Å2
<r2> 122.670
(<r2>)1/2 11.076