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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-248.373203
Energy at 298.15K-248.379364
Nuclear repulsion energy206.729574
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/cc-pVTZ
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 3194 3087 7.45      
2 A1 3170 3064 5.22      
3 A1 3146 3041 6.76      
4 A1 1627 1572 23.85      
5 A1 1518 1468 3.21      
6 A1 1244 1203 3.43      
7 A1 1097 1060 2.97      
8 A1 1052 1016 7.65      
9 A1 1013 979 5.71      
10 A1 617 597 4.71      
11 A2 1012 978 0.00      
12 A2 900 870 0.00      
13 A2 386 373 0.00      
14 B1 1024 990 0.02      
15 B1 965 933 0.00      
16 B1 769 744 6.40      
17 B1 722 698 62.60      
18 B1 421 407 3.53      
19 B2 3186 3079 26.74      
20 B2 3143 3038 30.02      
21 B2 1622 1567 8.97      
22 B2 1477 1428 27.24      
23 B2 1391 1345 0.12      
24 B2 1284 1241 0.05      
25 B2 1173 1134 2.43      
26 B2 1079 1043 0.09      
27 B2 671 649 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 19451.1 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 18801.4 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 B3LYP/cc-pVTZ
ABC
0.20283 0.19552 0.09955

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.413
C2 0.000 0.000 -1.379
C3 0.000 1.139 0.720
C4 0.000 -1.139 0.720
C5 0.000 1.193 -0.670
C6 0.000 -1.193 -0.670
H7 0.000 0.000 -2.461
H8 0.000 2.053 1.303
H9 0.000 -2.053 1.303
H10 0.000 2.148 -1.178
H11 0.000 -2.148 -1.178

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.79171.33331.33332.40022.40023.87392.05642.05643.36543.3654
C22.79172.38772.38771.38821.38821.08213.37753.37752.15752.1575
C31.33332.38772.27791.39042.71483.37841.08463.24522.14913.7954
C41.33332.38772.27792.71481.39043.37843.24521.08463.79542.1491
C52.40021.38821.39042.71482.38682.15242.15183.79901.08153.3799
C62.40021.38822.71481.39042.38682.15243.79902.15183.37991.0815
H73.87391.08213.37843.37842.15242.15244.28754.28752.50212.5021
H82.05643.37751.08463.24522.15183.79904.28754.10692.48244.8791
H92.05643.37753.24521.08463.79902.15184.28754.10694.87912.4824
H103.36542.15752.14913.79541.08153.37992.50212.48244.87914.2961
H113.36542.15753.79542.14913.37991.08152.50214.87912.48244.2961

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.569 N1 C3 H8 116.150
N1 C4 C6 123.569 N1 C4 H9 116.150
C2 C5 C3 118.480 C2 C5 H10 121.252
C2 C6 C4 118.480 C2 C6 H11 121.252
C3 N1 C4 117.347 C3 C5 H10 120.268
C4 C6 H11 120.268 C5 C2 C6 118.555
C5 C2 H7 120.722 C5 C3 H8 120.281
C6 C2 H7 120.722 C6 C4 H9 120.281
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.157     -0.657
2 C -0.110     0.278
3 C -0.068     0.492
4 C -0.068     0.492
5 C -0.094     -0.512
6 C -0.094     -0.512
7 H 0.114     0.058
8 H 0.119     0.007
9 H 0.119     0.007
10 H 0.121     0.174
11 H 0.121     0.174


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 -2.178 2.178
CHELPG        
AIM        
ESP 0.000 0.000 -2.179 2.179


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.646 0.000 0.000
y 0.000 -29.682 0.000
z 0.000 0.000 -36.374
Traceless
 xyz
x -4.619 0.000 0.000
y 0.000 7.328 0.000
z 0.000 0.000 -2.709
Polar
3z2-r2-5.419
x2-y2-7.965
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.770 0.000 0.000
y 0.000 10.952 0.000
z 0.000 0.000 10.081


<r2> (average value of r2) Å2
<r2> 121.111
(<r2>)1/2 11.005