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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: MP2=FULL/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 MP2=FULL/6-311G*
 hartrees
Energy at 0K-247.676852
Energy at 298.15K-247.682894
HF Energy-246.738545
Nuclear repulsion energy205.666385
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 MP2=FULL/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 3238 3067 5.11      
2 A1 3215 3045 7.24      
3 A1 3199 3030 4.75      
4 A1 1642 1555 15.23      
5 A1 1520 1439 5.16      
6 A1 1254 1187 1.54      
7 A1 1100 1042 5.95      
8 A1 1049 993 5.66      
9 A1 1012 959 6.52      
10 A1 608 576 3.99      
11 A2 950 900 0.00      
12 A2 888 841 0.00      
13 A2 374 355 0.00      
14 B1 937 887 0.15      
15 B1 922 873 0.11      
16 B1 731 692 60.14      
17 B1 699 662 27.06      
18 B1 402 381 3.43      
19 B2 3232 3061 23.79      
20 B2 3198 3029 23.89      
21 B2 1632 1546 2.15      
22 B2 1483 1404 25.23      
23 B2 1401 1327 1.15      
24 B2 1389 1315 0.52      
25 B2 1186 1123 1.27      
26 B2 1085 1027 0.02      
27 B2 663 628 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 19503.5 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 18471.8 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 MP2=FULL/6-311G*
ABC
0.20150 0.19276 0.09852

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.426
C2 0.000 0.000 -1.390
C3 0.000 1.143 0.722
C4 0.000 -1.143 0.722
C5 0.000 1.197 -0.674
C6 0.000 -1.197 -0.674
H7 0.000 0.000 -2.477
H8 0.000 2.059 1.309
H9 0.000 -2.059 1.309
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
N12.81601.34211.34212.41702.41703.90262.06232.06233.38423.3842
C22.81602.40142.40141.39511.39511.08663.39483.39482.16702.1670
C31.34212.40142.28541.39692.72463.39671.08823.25512.15713.8095
C41.34212.40142.28542.72461.39693.39673.25511.08823.80952.1571
C52.41701.39511.39692.72462.39432.16422.16203.81241.08603.3924
C62.41701.39512.72461.39692.39432.16423.81242.16203.39241.0860
H73.90261.08663.39673.39672.16422.16424.30944.30942.51592.5159
H82.06233.39481.08823.25512.16203.81244.30944.11802.49274.8968
H92.06233.39483.25511.08823.81242.16204.30944.11804.89682.4927
H103.38422.16702.15713.80951.08603.39242.51592.49274.89684.3140
H113.38422.16703.80952.15713.39241.08602.51594.89682.49274.3140

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.868 N1 C3 H8 115.720
N1 C4 C6 123.868 N1 C4 H9 115.720
C2 C5 C3 118.658 C2 C5 H10 121.219
C2 C6 C4 118.658 C2 C6 H11 121.219
C3 N1 C4 116.733 C3 C5 H10 120.123
C4 C6 H11 120.123 C5 C2 C6 118.215
C5 C2 H7 120.892 C5 C3 H8 120.412
C6 C2 H7 120.892 C6 C4 H9 120.412
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability