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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-247.504014
Energy at 298.15K-247.510096
HF Energy-246.694157
Nuclear repulsion energy205.970831
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 MP3/6-31G*
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 3265 3065 3.79      
2 A1 3241 3042 11.43      
3 A1 3229 3031 4.88      
4 A1 1698 1594 18.92      
5 A1 1564 1468 6.12      
6 A1 1281 1203 2.02      
7 A1 1126 1056 4.78      
8 A1 1070 1005 3.43      
9 A1 1033 970 8.06      
10 A1 622 584 4.12      
11 A2 978 918 0.00      
12 A2 894 839 0.00      
13 A2 389 365 0.00      
14 B1 952 893 0.03      
15 B1 940 882 0.16      
16 B1 747 701 47.00      
17 B1 685 643 22.09      
18 B1 410 385 3.24      
19 B2 3259 3058 25.70      
20 B2 3229 3030 20.59      
21 B2 1684 1581 5.08      
22 B2 1517 1423 29.71      
23 B2 1421 1333 0.02      
24 B2 1269 1191 0.17      
25 B2 1192 1119 3.48      
26 B2 1113 1044 0.20      
27 B2 678 636 0.47      

Unscaled Zero Point Vibrational Energy (zpe) 19742.7 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 18530.5 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 MP3/6-31G*
ABC
0.20185 0.19360 0.09882

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.422
C2 0.000 0.000 -1.386
C3 0.000 1.141 0.721
C4 0.000 -1.141 0.721
C5 0.000 1.196 -0.673
C6 0.000 -1.196 -0.673
H7 0.000 0.000 -2.472
H8 0.000 2.057 1.308
H9 0.000 -2.057 1.308
H10 0.000 2.155 -1.181
H11 0.000 -2.155 -1.181

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.80831.33981.33982.41262.41263.89482.06042.06043.37993.3799
C22.80832.39622.39621.39281.39281.08653.38943.38942.16512.1651
C31.33982.39622.28301.39472.72173.39121.08773.25212.15543.8062
C41.33982.39622.28302.72171.39473.39123.25211.08773.80622.1554
C52.41261.39281.39472.72172.39262.16102.15953.80891.08553.3901
C62.41261.39282.72171.39472.39262.16103.80892.15953.39011.0855
H73.89481.08653.39123.39122.16102.16104.30374.30372.51262.5126
H82.06043.38941.08773.25212.15953.80894.30374.11442.49084.8929
H92.06043.38943.25211.08773.80892.15954.30374.11444.89292.4908
H103.37992.16512.15543.80621.08553.39012.51262.49084.89294.3108
H113.37992.16513.80622.15543.39011.08552.51264.89292.49084.3108

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.827 N1 C3 H8 115.771
N1 C4 C6 123.827 N1 C4 H9 115.771
C2 C5 C3 118.549 C2 C5 H10 121.271
C2 C6 C4 118.549 C2 C6 H11 121.271
C3 N1 C4 116.853 C3 C5 H10 120.180
C4 C6 H11 120.180 C5 C2 C6 118.395
C5 C2 H7 120.802 C5 C3 H8 120.402
C6 C2 H7 120.802 C6 C4 H9 120.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability