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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-247.510679
Energy at 298.15K-247.516726
HF Energy-246.693766
Nuclear repulsion energy205.794784
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/6-31G*
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 3257 3069 3.99      
2 A1 3235 3048 7.62      
3 A1 3220 3034 5.99      
4 A1 1662 1566 14.74      
5 A1 1539 1450 5.20      
6 A1 1271 1198 1.23      
7 A1 1114 1050 4.36      
8 A1 1059 998 4.48      
9 A1 1017 958 7.36      
10 A1 613 577 4.20      
11 A2 960 904 0.00      
12 A2 893 841 0.00      
13 A2 380 358 0.00      
14 B1 939 885 0.13      
15 B1 932 878 0.11      
16 B1 739 697 50.39      
17 B1 685 645 16.03      
18 B1 406 383 3.44      
19 B2 3251 3063 21.78      
20 B2 3219 3033 22.17      
21 B2 1653 1557 2.57      
22 B2 1503 1416 24.56      
23 B2 1415 1334 0.90      
24 B2 1406 1324 0.34      
25 B2 1208 1138 1.07      
26 B2 1103 1039 0.26      
27 B2 669 631 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 19673.5 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 18536.3 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 MP2=FULL/6-31G*
ABC
0.20140 0.19341 0.09866

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.000 0.000 1.425
C2 0.000 0.000 -1.386
C3 0.000 1.144 0.720
C4 0.000 -1.144 0.720
C5 0.000 1.196 -0.673
C6 0.000 -1.196 -0.673
H7 0.000 0.000 -2.473
H8 0.000 2.061 1.307
H9 0.000 -2.061 1.307
H10 0.000 2.155 -1.183
H11 0.000 -2.155 -1.183

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.81081.34371.34372.41482.41483.89762.06412.06413.38313.3831
C22.81082.39712.39711.39291.39291.08693.39133.39132.16492.1649
C31.34372.39712.28861.39412.72393.39201.08843.25842.15513.8092
C41.34372.39712.28862.72391.39413.39203.25841.08843.80922.1551
C52.41481.39291.39412.72392.39282.16142.16063.81191.08623.3903
C62.41481.39292.72391.39412.39282.16143.81192.16063.39031.0862
H73.89761.08693.39203.39202.16142.16144.30544.30542.51182.5118
H82.06413.39131.08843.25842.16063.81194.30544.12162.49214.8966
H92.06413.39133.25841.08843.81192.16064.30544.12164.89662.4921
H103.38312.16492.15513.80921.08623.39032.51182.49214.89664.3106
H113.38312.16493.80922.15513.39031.08622.51184.89662.49214.3106

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.761 N1 C3 H8 115.742
N1 C4 C6 123.761 N1 C4 H9 115.742
C2 C5 C3 118.656 C2 C5 H10 121.188
C2 C6 C4 118.656 C2 C6 H11 121.188
C3 N1 C4 116.765 C3 C5 H10 120.157
C4 C6 H11 120.157 C5 C2 C6 118.402
C5 C2 H7 120.799 C5 C3 H8 120.496
C6 C2 H7 120.799 C6 C4 H9 120.496
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability