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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-248.236983
Energy at 298.15K-248.243099
Nuclear repulsion energy206.530185
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 B3PW91/6-311G*
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 3205 3086 9.60      
2 A1 3180 3061 8.06      
3 A1 3158 3040 9.28      
4 A1 1645 1584 25.16      
5 A1 1522 1465 3.75      
6 A1 1249 1202 3.63      
7 A1 1099 1058 5.72      
8 A1 1051 1012 4.74      
9 A1 1015 977 7.72      
10 A1 613 590 4.11      
11 A2 998 961 0.00      
12 A2 895 861 0.00      
13 A2 381 367 0.00      
14 B1 1009 971 0.00      
15 B1 955 920 0.02      
16 B1 765 736 7.91      
17 B1 716 690 74.02      
18 B1 418 402 3.32      
19 B2 3196 3077 36.05      
20 B2 3156 3038 34.65      
21 B2 1640 1579 9.57      
22 B2 1480 1425 28.94      
23 B2 1387 1335 0.04      
24 B2 1314 1265 0.07      
25 B2 1174 1130 2.15      
26 B2 1083 1042 0.00      
27 B2 669 644 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 19485.9 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 18759.1 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 B3PW91/6-311G*
ABC
0.20278 0.19491 0.09938

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.415
C2 0.000 0.000 -1.381
C3 0.000 1.137 0.720
C4 0.000 -1.137 0.720
C5 0.000 1.194 -0.671
C6 0.000 -1.194 -0.671
H7 0.000 0.000 -2.467
H8 0.000 2.053 1.308
H9 0.000 -2.053 1.308
H10 0.000 2.153 -1.180
H11 0.000 -2.153 -1.180

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.79611.33311.33312.40362.40363.88232.05612.05613.37213.3721
C22.79612.38902.38901.38971.38971.08623.38333.38332.16242.1624
C31.33312.38902.27481.39182.71503.38391.08853.24452.15443.7996
C41.33312.38902.27482.71501.39183.38393.24451.08853.79962.1544
C52.40361.38971.39182.71502.38902.15732.15713.80311.08553.3861
C62.40361.38972.71501.39182.38902.15733.80312.15713.38611.0855
H73.88231.08623.38393.38392.15732.15734.29754.29752.50842.5084
H82.05613.38331.08853.24452.15713.80314.29754.10662.49014.8872
H92.05613.38333.24451.08853.80312.15714.29754.10664.88722.4901
H103.37212.16242.15443.79961.08553.38612.50842.49014.88724.3061
H113.37212.16243.79962.15443.38611.08552.50844.88722.49014.3061

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.785 N1 C3 H8 115.858
N1 C4 C6 123.785 N1 C4 H9 115.858
C2 C5 C3 118.388 C2 C5 H10 121.275
C2 C6 C4 118.388 C2 C6 H11 121.275
C3 N1 C4 117.129 C3 C5 H10 120.337
C4 C6 H11 120.337 C5 C2 C6 118.525
C5 C2 H7 120.738 C5 C3 H8 120.357
C6 C2 H7 120.738 C6 C4 H9 120.357
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.311      
2 C -0.099      
3 C -0.025      
4 C -0.025      
5 C -0.299      
6 C -0.299      
7 H 0.213      
8 H 0.215      
9 H 0.215      
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 -2.213 2.213
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.745 0.000 0.000
y 0.000 -28.883 0.000
z 0.000 0.000 -35.705
Traceless
 xyz
x -5.451 0.000 0.000
y 0.000 7.841 0.000
z 0.000 0.000 -2.391
Polar
3z2-r2-4.781
x2-y2-8.861
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 121.027
(<r2>)1/2 11.001