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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-247.505823
Energy at 298.15K-247.511903
HF Energy-246.693868
Nuclear repulsion energy205.850414
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 CCD/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 3240 3066 4.36      
2 A1 3215 3043 11.64      
3 A1 3203 3031 5.91      
4 A1 1693 1603 17.63      
5 A1 1557 1474 5.46      
6 A1 1276 1208 1.67      
7 A1 1122 1062 4.22      
8 A1 1067 1010 4.07      
9 A1 1032 977 7.54      
10 A1 620 586 4.12      
11 A2 976 924 0.00      
12 A2 893 846 0.00      
13 A2 389 368 0.00      
14 B1 951 900 0.06      
15 B1 940 890 0.08      
16 B1 745 705 43.15      
17 B1 692 655 23.69      
18 B1 412 390 3.38      
19 B2 3232 3059 27.43      
20 B2 3202 3031 22.10      
21 B2 1680 1590 4.58      
22 B2 1511 1430 27.83      
23 B2 1414 1338 0.01      
24 B2 1272 1204 0.26      
25 B2 1191 1127 2.93      
26 B2 1109 1050 0.23      
27 B2 675 639 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 19654.3 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 18602.8 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 CCD/6-31G*
ABC
0.20159 0.19347 0.09872

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.423
C2 0.000 0.000 -1.387
C3 0.000 1.142 0.721
C4 0.000 -1.142 0.721
C5 0.000 1.196 -0.673
C6 0.000 -1.196 -0.673
H7 0.000 0.000 -2.475
H8 0.000 2.059 1.310
H9 0.000 -2.059 1.310
H10 0.000 2.157 -1.182
H11 0.000 -2.157 -1.182

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.80981.34061.34062.41342.41343.89832.06182.06183.38263.3826
C22.80982.39702.39701.39281.39281.08853.39243.39242.16662.1666
C31.34062.39702.28381.39492.72193.39391.08963.25432.15713.8086
C41.34062.39702.28382.72191.39493.39393.25431.08963.80862.1571
C52.41341.39281.39492.72192.39222.16302.16213.81111.08763.3915
C62.41341.39282.72191.39492.39222.16303.81112.16213.39151.0876
H73.89831.08853.39393.39392.16302.16304.30854.30852.51462.5146
H82.06183.39241.08963.25432.16213.81114.30854.11742.49414.8972
H92.06183.39243.25431.08963.81112.16214.30854.11744.89722.4941
H103.38262.16662.15713.80861.08763.39152.51462.49414.89724.3139
H113.38262.16663.80862.15713.39151.08762.51464.89722.49414.3139

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.822 N1 C3 H8 115.696
N1 C4 C6 123.822 N1 C4 H9 115.696
C2 C5 C3 118.596 C2 C5 H10 121.239
C2 C6 C4 118.596 C2 C6 H11 121.239
C3 N1 C4 116.811 C3 C5 H10 120.165
C4 C6 H11 120.165 C5 C2 C6 118.353
C5 C2 H7 120.823 C5 C3 H8 120.482
C6 C2 H7 120.823 C6 C4 H9 120.482
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability