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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-247.984597
Energy at 298.15K-247.990574
Nuclear repulsion energy204.462552
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3135 3117 8.16      
2 A1 3111 3093 3.32      
3 A1 3079 3062 9.24      
4 A1 1589 1580 19.70      
5 A1 1459 1450 2.54      
6 A1 1202 1195 2.27      
7 A1 1060 1054 4.65      
8 A1 1023 1017 2.97      
9 A1 978 972 8.29      
10 A1 589 585 3.87      
11 A2 961 955 0.00      
12 A2 867 861 0.00      
13 A2 360 357 0.00      
14 B1 978 973 0.01      
15 B1 920 915 0.04      
16 B1 738 734 3.19      
17 B1 694 690 46.57      
18 B1 399 397 2.60      
19 B2 3125 3107 26.22      
20 B2 3077 3059 30.78      
21 B2 1585 1576 8.58      
22 B2 1421 1413 21.64      
23 B2 1323 1316 0.37      
24 B2 1315 1308 0.44      
25 B2 1126 1119 1.33      
26 B2 1048 1042 0.00      
27 B2 643 640 0.36      

Unscaled Zero Point Vibrational Energy (zpe) 18902.0 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 18792.4 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 PBEPBE/cc-pVDZ
ABC
0.19934 0.19060 0.09744

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.435
C2 0.000 0.000 -1.395
C3 0.000 1.146 0.726
C4 0.000 -1.146 0.726
C5 0.000 1.204 -0.678
C6 0.000 -1.204 -0.678
H7 0.000 0.000 -2.496
H8 0.000 2.077 1.319
H9 0.000 -2.077 1.319
H10 0.000 2.176 -1.194
H11 0.000 -2.176 -1.194

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.83021.34751.34752.43162.43163.93052.08032.08033.41223.4122
C22.83022.41092.41091.40211.40211.10033.41763.41762.18512.1851
C31.34752.41092.29181.40452.73743.41921.10393.27702.17833.8364
C41.34752.41092.29182.73741.40453.41923.27701.10393.83642.1783
C52.43161.40211.40452.73742.40882.18092.17863.84091.10003.4193
C62.43161.40212.73741.40452.40882.18093.84092.17863.41931.1000
H73.93051.10033.41923.41922.18092.18094.34324.34322.53552.5355
H82.08033.41761.10393.27702.17863.84094.34324.15402.51444.9395
H92.08033.41763.27701.10393.84092.17864.34324.15404.93952.5144
H103.41222.18512.17833.83641.10003.41932.53552.51444.93954.3515
H113.41222.18513.83642.17833.41931.10002.53554.93952.51444.3515

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 124.137 N1 C3 H8 115.763
N1 C4 C6 124.137 N1 C4 H9 115.763
C2 C5 C3 118.406 C2 C5 H10 121.219
C2 C6 C4 118.406 C2 C6 H11 121.219
C3 N1 C4 116.502 C3 C5 H10 120.375
C4 C6 H11 120.375 C5 C2 C6 118.411
C5 C2 H7 120.794 C5 C3 H8 120.101
C6 C2 H7 120.794 C6 C4 H9 120.101
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.173      
2 C 0.068      
3 C 0.091      
4 C 0.091      
5 C -0.030      
6 C -0.030      
7 H -0.006      
8 H 0.007      
9 H 0.007      
10 H -0.013      
11 H -0.013      


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 -1.993 1.993
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.209 0.000 0.000
y 0.000 -29.734 0.000
z 0.000 0.000 -35.720
Traceless
 xyz
x -4.482 0.000 0.000
y 0.000 6.730 0.000
z 0.000 0.000 -2.249
Polar
3z2-r2-4.497
x2-y2-7.475
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.571 0.000 0.000
y 0.000 10.929 0.000
z 0.000 0.000 9.840


<r2> (average value of r2) Å2
<r2> 123.114
(<r2>)1/2 11.096