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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-248.239812
Energy at 298.15K-248.245954
Nuclear repulsion energy203.850153
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/SDD
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 3239 3113 7.37      
2 A1 3208 3084 16.35      
3 A1 3196 3072 0.21      
4 A1 1612 1550 16.92      
5 A1 1499 1441 8.86      
6 A1 1249 1201 2.40      
7 A1 1090 1048 5.11      
8 A1 1041 1001 7.00      
9 A1 989 951 3.83      
10 A1 615 592 2.88      
11 A2 1019 979 0.00      
12 A2 921 885 0.00      
13 A2 388 373 0.00      
14 B1 1050 1009 0.04      
15 B1 968 930 0.26      
16 B1 779 749 28.23      
17 B1 737 709 85.86      
18 B1 428 412 4.03      
19 B2 3225 3101 50.94      
20 B2 3198 3074 15.22      
21 B2 1616 1553 5.48      
22 B2 1469 1412 32.11      
23 B2 1394 1341 0.00      
24 B2 1308 1258 0.04      
25 B2 1195 1148 1.15      
26 B2 1077 1035 0.24      
27 B2 669 643 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 19589.0 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 18830.9 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 B3LYP/SDD
ABC
0.19629 0.19066 0.09672

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.430
C2 0.000 0.000 -1.397
C3 0.000 1.163 0.729
C4 0.000 -1.163 0.729
C5 0.000 1.212 -0.679
C6 0.000 -1.212 -0.679
H7 0.000 0.000 -2.484
H8 0.000 2.076 1.320
H9 0.000 -2.076 1.320
H10 0.000 2.170 -1.192
H11 0.000 -2.170 -1.192

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.82691.35781.35782.43312.43313.91442.07882.07883.40373.4037
C22.82692.42282.42281.40841.40841.08753.41893.41892.18012.1801
C31.35782.42282.32521.40922.76103.41701.08783.29192.16893.8468
C41.35782.42282.32522.76101.40923.41703.29191.08783.84682.1689
C52.43311.40841.40922.76102.42432.17402.17793.84811.08663.4211
C62.43311.40842.76101.40922.42432.17403.84812.17793.42111.0866
H73.91441.08753.41703.41702.17402.17404.33364.33362.52622.5262
H82.07883.41891.08783.29192.17793.84814.33364.15182.51324.9334
H92.07883.41893.29191.08783.84812.17794.33364.15184.93342.5132
H103.40372.18012.16893.84681.08663.42112.52622.51324.93344.3409
H113.40372.18013.84682.16893.42111.08662.52624.93342.51324.3409

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.114 N1 C3 H8 115.996
N1 C4 C6 123.114 N1 C4 H9 115.996
C2 C5 C3 118.600 C2 C5 H10 121.264
C2 C6 C4 118.600 C2 C6 H11 121.264
C3 N1 C4 117.800 C3 C5 H10 120.136
C4 C6 H11 120.136 C5 C2 C6 118.772
C5 C2 H7 120.614 C5 C3 H8 120.890
C6 C2 H7 120.614 C6 C4 H9 120.890
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.022      
2 C -0.170      
3 C -0.297      
4 C -0.297      
5 C -0.183      
6 C -0.183      
7 H 0.232      
8 H 0.234      
9 H 0.234      
10 H 0.226      
11 H 0.226      


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 -2.675 2.675
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.194 0.000 0.000
y 0.000 -28.441 0.000
z 0.000 0.000 -36.832
Traceless
 xyz
x -5.557 0.000 0.000
y 0.000 9.072 0.000
z 0.000 0.000 -3.515
Polar
3z2-r2-7.030
x2-y2-9.752
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.449 0.000 0.000
y 0.000 9.973 0.000
z 0.000 0.000 9.212


<r2> (average value of r2) Å2
<r2> 123.867
(<r2>)1/2 11.130