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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: M06-2X/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/3-21G*
 hartrees
Energy at 0K-246.798328
Energy at 298.15K-246.804609
HF Energy-246.798328
Nuclear repulsion energy205.547459
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 M06-2X/3-21G*
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 3256 3084 6.09      
2 A1 3218 3048 4.11      
3 A1 3196 3027 0.39      
4 A1 1636 1549 17.04      
5 A1 1538 1457 12.19      
6 A1 1274 1206 1.34      
7 A1 1124 1065 0.23      
8 A1 1075 1018 8.37      
9 A1 1016 963 5.14      
10 A1 638 604 4.50      
11 A2 1084 1027 0.00      
12 A2 950 900 0.00      
13 A2 408 386 0.00      
14 B1 1099 1041 0.02      
15 B1 1028 973 0.14      
16 B1 802 760 4.79      
17 B1 762 722 89.28      
18 B1 441 418 4.54      
19 B2 3248 3077 21.78      
20 B2 3209 3040 1.00      
21 B2 1636 1550 4.72      
22 B2 1501 1421 33.83      
23 B2 1430 1354 0.29      
24 B2 1248 1182 1.08      
25 B2 1207 1144 0.53      
26 B2 1100 1042 0.28      
27 B2 696 659 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 19908.1 cm-1
Scaled (by 0.9472) Zero Point Vibrational Energy (zpe) 18856.9 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 M06-2X/3-21G*
ABC
0.19928 0.19434 0.09839

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.418
C2 0.000 0.000 -1.382
C3 0.000 1.154 0.722
C4 0.000 -1.154 0.722
C5 0.000 1.201 -0.672
C6 0.000 -1.201 -0.672
H7 0.000 0.000 -2.464
H8 0.000 2.068 1.304
H9 0.000 -2.068 1.304
H10 0.000 2.154 -1.186
H11 0.000 -2.154 -1.186

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.80011.34831.34832.41132.41133.88282.07082.07083.37963.3796
C22.80012.39922.39921.39531.39531.08283.38923.38922.16262.1626
C31.34832.39922.30871.39472.73733.38871.08313.27422.15353.8186
C41.34832.39922.30872.73731.39473.38873.27421.08313.81862.1535
C52.41131.39531.39472.73732.40292.15762.15763.82001.08203.3943
C62.41131.39532.73731.39472.40292.15763.82002.15763.39431.0820
H73.88281.08283.38873.38872.15762.15764.29824.29822.50452.5045
H82.07083.38921.08313.27422.15763.82004.29824.13532.49134.9009
H92.07083.38923.27421.08313.82002.15764.29824.13534.90092.4913
H103.37962.16262.15353.81861.08203.39432.50452.49134.90094.3074
H113.37962.16263.81862.15353.39431.08202.50454.90092.49134.3074

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.054 N1 C3 H8 116.368
N1 C4 C6 123.054 N1 C4 H9 116.368
C2 C5 C3 118.621 C2 C5 H10 121.094
C2 C6 C4 118.621 C2 C6 H11 121.094
C3 N1 C4 117.767 C3 C5 H10 120.285
C4 C6 H11 120.285 C5 C2 C6 118.883
C5 C2 H7 120.558 C5 C3 H8 120.578
C6 C2 H7 120.558 C6 C4 H9 120.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.537      
2 C -0.173      
3 C 0.056      
4 C 0.056      
5 C -0.265      
6 C -0.265      
7 H 0.226      
8 H 0.232      
9 H 0.232      
10 H 0.219      
11 H 0.219      


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 -2.319 2.319
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.347 0.000 0.000
y 0.000 -28.711 0.000
z 0.000 0.000 -36.154
Traceless
 xyz
x -5.915 0.000 0.000
y 0.000 8.540 0.000
z 0.000 0.000 -2.625
Polar
3z2-r2-5.249
x2-y2-9.636
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.273 0.000 0.000
y 0.000 9.433 0.000
z 0.000 0.000 8.402


<r2> (average value of r2) Å2
<r2> 122.123
(<r2>)1/2 11.051