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All results from a given calculation for C5H5N (Pyridine)

using model chemistry: MP2/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-247.777516
Energy at 298.15K-247.783633
HF Energy-246.778705
Nuclear repulsion energy206.203071
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/aug-cc-pVTZ
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 3236 3084 3.67      
2 A1 3213 3061 3.68      
3 A1 3196 3046 1.71      
4 A1 1627 1551 13.94      
5 A1 1503 1432 1.87      
6 A1 1237 1179 2.17      
7 A1 1090 1039 4.26      
8 A1 1047 998 5.77      
9 A1 1007 960 5.16      
10 A1 601 573 4.12      
11 A2 998 951 0.00      
12 A2 902 860 0.00      
13 A2 377 360 0.00      
14 B1 1007 959 0.03      
15 B1 951 906 0.10      
16 B1 758 722 9.15      
17 B1 721 687 61.57      
18 B1 412 392 4.07      
19 B2 3229 3077 16.62      
20 B2 3195 3045 17.32      
21 B2 1618 1542 3.46      
22 B2 1471 1402 19.11      
23 B2 1403 1337 1.75      
24 B2 1377 1312 0.11      
25 B2 1165 1110 1.37      
26 B2 1076 1026 0.11      
27 B2 655 624 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 19535.8 cm-1
Scaled (by 0.9529) Zero Point Vibrational Energy (zpe) 18615.6 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/aug-cc-pVTZ
ABC
0.20222 0.19404 0.09902

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVTZ

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 -1.385
C3 0.000 1.142 0.720
C4 0.000 -1.142 0.720
C5 0.000 1.194 -0.672
C6 0.000 -1.194 -0.672
H7 0.000 0.000 -2.467
H8 0.000 2.055 1.303
H9 0.000 -2.055 1.303
H10 0.000 2.149 -1.179
H11 0.000 -2.149 -1.179

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11
N12.80661.34071.34072.41032.41033.88842.05882.05883.37383.3738
C22.80662.39452.39451.39081.39081.08183.38343.38342.15912.1591
C31.34072.39452.28441.39252.71943.38491.08343.25032.14913.7998
C41.34072.39452.28442.71941.39253.38493.25031.08343.79982.1491
C52.41031.39081.39252.71942.38842.15572.15423.80241.08133.3817
C62.41031.39082.71941.39252.38842.15573.80242.15423.38171.0813
H73.88841.08183.38493.38492.15572.15574.29334.29332.50552.5055
H82.05883.38341.08343.25032.15423.80244.29334.11062.48344.8823
H92.05883.38343.25031.08343.80242.15424.29334.11064.88232.4834
H103.37382.15912.14913.79981.08133.38172.50552.48344.88234.2985
H113.37382.15913.79982.14913.38171.08132.50554.88232.48344.2985

picture of Pyridine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C3 C5 123.717 N1 C3 H8 115.864
N1 C4 C6 123.717 N1 C4 H9 115.864
C2 C5 C3 118.699 C2 C5 H10 121.199
C2 C6 C4 118.699 C2 C6 H11 121.199
C3 N1 C4 116.845 C3 C5 H10 120.102
C4 C6 H11 120.102 C5 C2 C6 118.323
C5 C2 H7 120.838 C5 C3 H8 120.419
C6 C2 H7 120.838 C6 C4 H9 120.419
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability