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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-247.967930
Energy at 298.15K-247.973877
Nuclear repulsion energy204.750490
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 PBEPBEultrafine/6-31G*
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 3143 3091 9.34      
2 A1 3120 3068 5.58      
3 A1 3094 3043 12.03      
4 A1 1596 1570 19.57      
5 A1 1482 1458 2.64      
6 A1 1220 1199 2.47      
7 A1 1072 1054 3.98      
8 A1 1026 1009 2.76      
9 A1 980 964 7.64      
10 A1 592 582 3.73      
11 A2 951 935 0.00      
12 A2 866 852 0.00      
13 A2 361 355 0.00      
14 B1 969 953 0.02      
15 B1 919 904 0.00      
16 B1 737 725 5.14      
17 B1 694 683 48.48      
18 B1 401 395 2.91      
19 B2 3134 3082 32.13      
20 B2 3091 3040 34.87      
21 B2 1593 1567 7.67      
22 B2 1442 1418 22.75      
23 B2 1351 1328 0.04      
24 B2 1318 1296 0.61      
25 B2 1149 1130 1.21      
26 B2 1058 1041 0.09      
27 B2 648 638 0.35      

Unscaled Zero Point Vibrational Energy (zpe) 19002.6 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 18689.1 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 PBEPBEultrafine/6-31G*
ABC
0.19958 0.19131 0.09768

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.432
C2 0.000 0.000 -1.393
C3 0.000 1.146 0.725
C4 0.000 -1.146 0.725
C5 0.000 1.204 -0.677
C6 0.000 -1.204 -0.677
H7 0.000 0.000 -2.488
H8 0.000 2.072 1.316
H9 0.000 -2.072 1.316
H10 0.000 2.171 -1.191
H11 0.000 -2.171 -1.191

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.82481.34681.34682.42822.42823.92002.07492.07493.40423.4042
C22.82482.40792.40791.40081.40081.09523.41013.41012.17992.1799
C31.34682.40792.29231.40282.73633.41121.09813.27172.17213.8300
C41.34682.40792.29232.73631.40283.41123.27171.09813.83002.1721
C52.42821.40081.40282.73632.40792.17492.17333.83411.09473.4134
C62.42821.40082.73631.40282.40792.17493.83412.17333.41341.0947
H73.92001.09523.41123.41122.17492.17494.33154.33152.52882.5288
H82.07493.41011.09813.27172.17333.83414.33154.14332.50834.9273
H92.07493.41013.27171.09813.83412.17334.33154.14334.92732.5083
H103.40422.17992.17213.83001.09473.41342.52882.50834.92734.3411
H113.40422.17993.83002.17213.41341.09472.52884.92732.50834.3411

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 124.033 N1 C3 H8 115.765
N1 C4 C6 124.033 N1 C4 H9 115.765
C2 C5 C3 118.383 C2 C5 H10 121.263
C2 C6 C4 118.383 C2 C6 H11 121.263
C3 N1 C4 116.655 C3 C5 H10 120.354
C4 C6 H11 120.354 C5 C2 C6 118.512
C5 C2 H7 120.744 C5 C3 H8 120.202
C6 C2 H7 120.744 C6 C4 H9 120.202
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.379      
2 C -0.116      
3 C 0.017      
4 C 0.017      
5 C -0.141      
6 C -0.141      
7 H 0.152      
8 H 0.150      
9 H 0.150      
10 H 0.146      
11 H 0.146      


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 -2.146 2.146
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.929 0.000 0.000
y 0.000 -29.023 0.000
z 0.000 0.000 -35.493
Traceless
 xyz
x -4.670 0.000 0.000
y 0.000 7.188 0.000
z 0.000 0.000 -2.517
Polar
3z2-r2-5.035
x2-y2-7.905
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.126 0.000 0.000
y 0.000 10.403 0.000
z 0.000 0.000 9.468


<r2> (average value of r2) Å2
<r2> 122.567
(<r2>)1/2 11.071