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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: B1B95/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 B1B95/cc-pVTZ
 hartrees
Energy at 0K-248.251365
Energy at 298.15K-248.257521
Nuclear repulsion energy207.618051
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 B1B95/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 3224 3086 6.29      
2 A1 3198 3061 5.46      
3 A1 3172 3036 6.55      
4 A1 1656 1585 24.09      
5 A1 1528 1462 3.79      
6 A1 1252 1198 3.27      
7 A1 1103 1056 4.35      
8 A1 1059 1014 3.36      
9 A1 1019 975 8.01      
10 A1 605 579 4.73      
11 A2 1019 976 0.00      
12 A2 906 867 0.00      
13 A2 381 365 0.00      
14 B1 1030 986 0.04      
15 B1 971 930 0.00      
16 B1 773 740 6.47      
17 B1 724 693 62.12      
18 B1 416 398 3.37      
19 B2 3216 3078 23.81      
20 B2 3170 3034 30.64      
21 B2 1653 1582 10.99      
22 B2 1485 1422 27.39      
23 B2 1387 1328 0.02      
24 B2 1318 1261 0.00      
25 B2 1171 1121 2.27      
26 B2 1090 1043 0.05      
27 B2 663 635 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 19594.9 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 18754.3 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 B1B95/cc-pVTZ
ABC
0.20480 0.19708 0.10043

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.407
C2 0.000 0.000 -1.373
C3 0.000 1.132 0.717
C4 0.000 -1.132 0.717
C5 0.000 1.188 -0.667
C6 0.000 -1.188 -0.667
H7 0.000 0.000 -2.454
H8 0.000 2.046 1.298
H9 0.000 -2.046 1.298
H10 0.000 2.142 -1.173
H11 0.000 -2.142 -1.173

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.78041.32611.32612.39012.39013.86092.04852.04853.35323.3532
C22.78042.37692.37691.38221.38221.08053.36503.36502.15092.1509
C31.32612.37692.26441.38462.70133.36651.08303.23062.14243.7800
C41.32612.37692.26442.70131.38463.36653.23061.08303.78002.1424
C52.39011.38221.38462.70132.37592.14582.14443.78401.07963.3678
C62.39011.38222.70131.38462.37592.14583.78402.14443.36781.0796
H73.86091.08053.36653.36652.14582.14584.27374.27372.49522.4952
H82.04853.36501.08303.23062.14443.78404.27374.09122.47364.8622
H92.04853.36503.23061.08303.78402.14444.27374.09124.86222.4736
H103.35322.15092.14243.78001.07963.36782.49522.47364.86224.2830
H113.35322.15093.78002.14243.36781.07962.49524.86222.47364.2830

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.685 N1 C3 H8 116.122
N1 C4 C6 123.685 N1 C4 H9 116.122
C2 C5 C3 118.432 C2 C5 H10 121.294
C2 C6 C4 118.432 C2 C6 H11 121.294
C3 N1 C4 117.245 C3 C5 H10 120.274
C4 C6 H11 120.274 C5 C2 C6 118.521
C5 C2 H7 120.740 C5 C3 H8 120.193
C6 C2 H7 120.740 C6 C4 H9 120.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.173      
2 C -0.108      
3 C -0.073      
4 C -0.073      
5 C -0.137      
6 C -0.137      
7 H 0.135      
8 H 0.138      
9 H 0.138      
10 H 0.145      
11 H 0.145      


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 -2.156 2.156
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.348 0.000 0.000
y 0.000 -29.216 0.000
z 0.000 0.000 -35.812
Traceless
 xyz
x -4.834 0.000 0.000
y 0.000 7.364 0.000
z 0.000 0.000 -2.530
Polar
3z2-r2-5.060
x2-y2-8.132
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.746 0.000 0.000
y 0.000 10.796 0.000
z 0.000 0.000 9.951


<r2> (average value of r2) Å2
<r2> 119.993
(<r2>)1/2 10.954