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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-248.205400
Energy at 298.15K-248.211521
Nuclear repulsion energy205.818222
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 B3PW91/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 3216 3103 6.00      
2 A1 3191 3079 4.69      
3 A1 3163 3053 7.82      
4 A1 1650 1592 23.46      
5 A1 1510 1457 3.44      
6 A1 1239 1195 2.82      
7 A1 1093 1055 5.49      
8 A1 1052 1015 3.00      
9 A1 1011 975 8.97      
10 A1 607 586 4.21      
11 A2 1002 967 0.00      
12 A2 896 865 0.00      
13 A2 380 367 0.00      
14 B1 1016 981 0.00      
15 B1 957 924 0.03      
16 B1 763 736 5.81      
17 B1 717 692 51.85      
18 B1 415 401 3.00      
19 B2 3207 3095 22.45      
20 B2 3161 3050 27.95      
21 B2 1644 1586 10.24      
22 B2 1468 1417 25.93      
23 B2 1365 1317 0.00      
24 B2 1334 1287 0.07      
25 B2 1159 1119 1.78      
26 B2 1081 1043 0.01      
27 B2 663 640 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 19479.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 18797.9 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 B3PW91/cc-pVDZ
ABC
0.20168 0.19339 0.09872

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

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 -1.386
C3 0.000 1.139 0.722
C4 0.000 -1.139 0.722
C5 0.000 1.198 -0.673
C6 0.000 -1.198 -0.673
H7 0.000 0.000 -2.479
H8 0.000 2.063 1.311
H9 0.000 -2.063 1.311
H10 0.000 2.162 -1.185
H11 0.000 -2.162 -1.185

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.80801.33711.33712.41302.41303.90082.06632.06633.38703.3870
C22.80802.39632.39631.39391.39391.09283.39593.39592.17162.1716
C31.33712.39632.27871.39612.72163.39761.09583.25642.16413.8128
C41.33712.39632.27872.72161.39613.39763.25641.09583.81282.1641
C52.41301.39391.39612.72162.39532.16712.16463.81711.09223.3987
C62.41301.39392.72161.39612.39532.16713.81712.16463.39871.0922
H73.90081.09283.39763.39762.16712.16714.31534.31532.51982.5198
H82.06633.39591.09583.25642.16463.81714.31534.12662.49824.9078
H92.06633.39593.25641.09583.81712.16464.31534.12664.90782.4982
H103.38702.17162.16413.81281.09223.39872.51982.49824.90784.3245
H113.38702.17163.81282.16413.39871.09222.51984.90782.49824.3245

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.956 N1 C3 H8 115.914
N1 C4 C6 123.956 N1 C4 H9 115.914
C2 C5 C3 118.380 C2 C5 H10 121.256
C2 C6 C4 118.380 C2 C6 H11 121.256
C3 N1 C4 116.876 C3 C5 H10 120.365
C4 C6 H11 120.365 C5 C2 C6 118.452
C5 C2 H7 120.774 C5 C3 H8 120.130
C6 C2 H7 120.774 C6 C4 H9 120.130
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.217      
2 C 0.054      
3 C 0.102      
4 C 0.102      
5 C -0.066      
6 C -0.066      
7 H 0.016      
8 H 0.027      
9 H 0.027      
10 H 0.011      
11 H 0.011      


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 -2.069 2.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.198 0.000 0.000
y 0.000 -29.229 0.000
z 0.000 0.000 -35.506
Traceless
 xyz
x -4.830 0.000 0.000
y 0.000 7.122 0.000
z 0.000 0.000 -2.292
Polar
3z2-r2-4.584
x2-y2-7.968
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 121.637
(<r2>)1/2 11.029