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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: B3LYP/CEP-121G*

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/CEP-121G*
 hartrees
Energy at 0K-41.158811
Energy at 298.15K-41.164892
Nuclear repulsion energy103.722389
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/CEP-121G*
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 3181 3084 12.76      
2 A1 3157 3061 11.62      
3 A1 3140 3043 9.60      
4 A1 1606 1557 24.95      
5 A1 1501 1455 3.19      
6 A1 1231 1194 4.21      
7 A1 1079 1046 3.66      
8 A1 1029 998 7.42      
9 A1 989 959 4.65      
10 A1 604 586 3.68      
11 A2 997 967 0.00      
12 A2 898 870 0.00      
13 A2 385 373 0.00      
14 B1 1019 988 0.01      
15 B1 955 926 0.05      
16 B1 759 736 24.40      
17 B1 718 696 54.67      
18 B1 417 404 3.37      
19 B2 3173 3076 49.32      
20 B2 3138 3042 38.05      
21 B2 1601 1552 9.53      
22 B2 1457 1413 27.27      
23 B2 1375 1333 0.00      
24 B2 1270 1232 0.05      
25 B2 1153 1117 2.42      
26 B2 1060 1027 0.07      
27 B2 657 637 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 19274.4 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 18684.6 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/CEP-121G*
ABC
0.19903 0.19099 0.09746

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.439
C2 0.000 0.000 -1.387
C3 0.000 1.149 0.736
C4 0.000 -1.149 0.736
C5 0.000 1.206 -0.669
C6 0.000 -1.206 -0.669
H7 0.000 0.000 -2.477
H8 0.000 2.069 1.324
H9 0.000 -2.069 1.324
H10 0.000 2.169 -1.178
H11 0.000 -2.169 -1.178

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.82661.34681.34682.42912.42913.91632.07192.07193.39933.3993
C22.82662.41432.41431.40391.40391.08973.41043.41042.17912.1791
C31.34682.41432.29741.40652.74243.41231.09183.27062.16923.8303
C41.34682.41432.29742.74241.40653.41233.27061.09183.83032.1692
C52.42911.40391.40652.74242.41262.17342.17173.83381.08903.4135
C62.42911.40392.74241.40652.41262.17343.83382.17173.41351.0890
H73.91631.08973.41233.41232.17342.17344.32754.32752.52832.5283
H82.07193.41041.09183.27062.17173.83384.32754.13742.50404.9212
H92.07193.41043.27061.09183.83382.17174.32754.13744.92122.5040
H103.39932.17912.16923.83031.08903.41352.52832.50404.92124.3381
H113.39932.17913.83032.16923.41351.08902.52834.92122.50404.3381

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.818 N1 C3 H8 115.954
N1 C4 C6 123.818 N1 C4 H9 115.954
C2 C5 C3 118.421 C2 C5 H10 121.372
C2 C6 C4 118.421 C2 C6 H11 121.372
C3 N1 C4 117.060 C3 C5 H10 120.207
C4 C6 H11 120.207 C5 C2 C6 118.463
C5 C2 H7 120.768 C5 C3 H8 120.228
C6 C2 H7 120.768 C6 C4 H9 120.228
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.144      
2 C -0.255      
3 C -0.416      
4 C -0.416      
5 C -0.006      
6 C -0.006      
7 H 0.202      
8 H 0.169      
9 H 0.169      
10 H 0.207      
11 H 0.207      


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 -2.274 2.274
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.931 0.000 0.000
y 0.000 -29.138 0.000
z 0.000 0.000 -36.120
Traceless
 xyz
x -5.302 0.000 0.000
y 0.000 7.888 0.000
z 0.000 0.000 -2.586
Polar
3z2-r2-5.173
x2-y2-8.793
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.421 0.000 0.000
y 0.000 11.018 0.000
z 0.000 0.000 10.074


<r2> (average value of r2) Å2
<r2> 100.040
(<r2>)1/2 10.002