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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: QCISD/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 QCISD/6-311G**
 hartrees
Energy at 0K-247.630301
Energy at 298.15K-247.636382
Nuclear repulsion energy205.527457
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 QCISD/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 3227 3079 5.73      
2 A1 3202 3055 8.58      
3 A1 3185 3039 5.61      
4 A1 1657 1581 23.83      
5 A1 1529 1459 4.18      
6 A1 1252 1195 2.78      
7 A1 1099 1049 3.59      
8 A1 1050 1002 4.91      
9 A1 1013 966 5.33      
10 A1 611 583 3.87      
11 A2 986 941 0.00      
12 A2 896 855 0.00      
13 A2 377 360 0.00      
14 B1 970 926 0.00      
15 B1 952 909 0.02      
16 B1 744 710 41.03      
17 B1 695 663 31.32      
18 B1 405 386 2.88      
19 B2 3219 3071 27.45      
20 B2 3184 3038 23.98      
21 B2 1646 1570 8.30      
22 B2 1482 1414 27.48      
23 B2 1392 1328 0.09      
24 B2 1235 1178 0.10      
25 B2 1155 1102 4.00      
26 B2 1084 1034 0.22      
27 B2 664 634 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 19455.3 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 18562.3 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 QCISD/6-311G**
ABC
0.20124 0.19243 0.09837

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.427
C2 0.000 0.000 -1.391
C3 0.000 1.142 0.723
C4 0.000 -1.142 0.723
C5 0.000 1.200 -0.675
C6 0.000 -1.200 -0.675
H7 0.000 0.000 -2.478
H8 0.000 2.059 1.309
H9 0.000 -2.059 1.309
H10 0.000 2.160 -1.182
H11 0.000 -2.160 -1.182

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.81781.34111.34112.41992.41993.90482.06262.06263.38673.3867
C22.81782.40272.40271.39711.39711.08703.39573.39572.17022.1702
C31.34112.40272.28341.39922.72693.39861.08863.25412.15993.8118
C41.34112.40272.28342.72691.39923.39863.25411.08863.81182.1599
C52.41991.39711.39922.72692.39912.16572.16223.81511.08613.3976
C62.41991.39712.72691.39922.39912.16573.81512.16223.39761.0861
H73.90481.08703.39863.39862.16572.16574.31074.31072.51922.5192
H82.06263.39571.08863.25412.16223.81514.31074.11842.49284.8996
H92.06263.39573.25411.08863.81512.16224.31074.11844.89962.4928
H103.38672.17022.15993.81181.08613.39762.51922.49284.89964.3202
H113.38672.17023.81182.15993.39761.08612.51924.89962.49284.3202

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 124.015 N1 C3 H8 115.787
N1 C4 C6 124.015 N1 C4 H9 115.787
C2 C5 C3 118.472 C2 C5 H10 121.343
C2 C6 C4 118.472 C2 C6 H11 121.343
C3 N1 C4 116.707 C3 C5 H10 120.185
C4 C6 H11 120.185 C5 C2 C6 118.320
C5 C2 H7 120.840 C5 C3 H8 120.198
C6 C2 H7 120.840 C6 C4 H9 120.198
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability