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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: TPSSh/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 TPSSh/6-31G*
 hartrees
Energy at 0K-248.302037
Energy at 298.15K-248.308105
HF Energy-248.302037
Nuclear repulsion energy205.634382
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 TPSSh/6-31G*
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 3216 3085 10.03      
2 A1 3191 3062 12.28      
3 A1 3175 3046 11.99      
4 A1 1640 1574 21.99      
5 A1 1530 1468 2.80      
6 A1 1255 1204 2.81      
7 A1 1100 1055 3.69      
8 A1 1046 1004 3.81      
9 A1 1005 965 7.19      
10 A1 602 577 4.13      
11 A2 992 951 0.00      
12 A2 898 862 0.00      
13 A2 376 361 0.00      
14 B1 1008 967 0.00      
15 B1 955 917 0.00      
16 B1 758 727 9.60      
17 B1 716 686 48.36      
18 B1 414 397 3.28      
19 B2 3206 3076 45.09      
20 B2 3173 3044 31.59      
21 B2 1633 1567 8.01      
22 B2 1484 1424 25.21      
23 B2 1398 1342 0.03      
24 B2 1321 1267 0.21      
25 B2 1183 1135 1.53      
26 B2 1085 1041 0.22      
27 B2 660 633 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 19509.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 18717.3 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 TPSSh/6-31G*
ABC
0.20108 0.19303 0.09849

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.420
C2 0.000 0.000 -1.387
C3 0.000 1.145 0.724
C4 0.000 -1.145 0.724
C5 0.000 1.202 -0.674
C6 0.000 -1.202 -0.674
H7 0.000 0.000 -2.475
H8 0.000 2.063 1.311
H9 0.000 -2.063 1.311
H10 0.000 2.161 -1.185
H11 0.000 -2.161 -1.185

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.80771.33971.33972.41462.41463.89502.06592.06593.38463.3846
C22.80772.40222.40221.39741.39741.08733.39703.39702.17002.1700
C31.33972.40222.28971.39972.73163.39791.08983.26112.16283.8173
C41.33972.40222.28972.73161.39973.39793.26111.08983.81732.1628
C52.41461.39741.39972.73162.40332.16482.16433.82101.08663.4008
C62.41461.39742.73161.39972.40332.16483.82102.16433.40081.0866
H73.89501.08733.39793.39792.16482.16484.31184.31182.51622.5162
H82.06593.39701.08983.26112.16433.82104.31184.12602.49844.9062
H92.06593.39703.26111.08983.82102.16434.31184.12604.90622.4984
H103.38462.17002.16283.81731.08663.40082.51622.49844.90624.3211
H113.38462.17003.81732.16283.40081.08662.51624.90622.49844.3211

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.617 N1 C3 H8 116.116
N1 C4 C6 123.617 N1 C4 H9 116.116
C2 C5 C3 118.369 C2 C5 H10 121.253
C2 C6 C4 118.369 C2 C6 H11 121.253
C3 N1 C4 117.418 C3 C5 H10 120.378
C4 C6 H11 120.378 C5 C2 C6 118.609
C5 C2 H7 120.695 C5 C3 H8 120.266
C6 C2 H7 120.695 C6 C4 H9 120.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.424      
2 C -0.127      
3 C 0.029      
4 C 0.029      
5 C -0.171      
6 C -0.171      
7 H 0.171      
8 H 0.167      
9 H 0.167      
10 H 0.166      
11 H 0.166      


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 -2.203 2.203
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.100 0.000 0.000
y 0.000 10.199 0.000
z 0.000 0.000 9.315


<r2> (average value of r2) Å2
<r2> 121.647
(<r2>)1/2 11.029