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All results from a given calculation for C5H5NO (2-Pyridinol)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-322.649619
Energy at 298.15K-322.656260
HF Energy-321.629534
Nuclear repulsion energy275.109252
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 MP2/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3788 3600 76.05      
2 A' 3249 3087 1.67      
3 A' 3243 3082 11.37      
4 A' 3217 3057 9.54      
5 A' 3206 3046 12.14      
6 A' 1670 1587 59.02      
7 A' 1640 1558 77.01      
8 A' 1524 1449 154.96      
9 A' 1503 1428 10.41      
10 A' 1421 1350 76.79      
11 A' 1369 1301 8.46      
12 A' 1337 1271 53.61      
13 A' 1232 1171 169.78      
14 A' 1179 1121 13.87      
15 A' 1115 1060 20.66      
16 A' 1068 1015 3.60      
17 A' 1010 960 8.23      
18 A' 860 817 14.02      
19 A' 634 603 2.79      
20 A' 565 537 0.65      
21 A' 418 397 18.47      
22 A" 924 878 1.25      
23 A" 913 868 0.64      
24 A" 863 820 0.49      
25 A" 776 737 69.57      
26 A" 694 660 0.04      
27 A" 546 519 49.82      
28 A" 492 468 102.69      
29 A" 406 386 0.28      
30 A" 214 204 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 20538.4 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 19517.6 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 MP2/6-311G*
ABC
0.19367 0.09208 0.06241

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.186 0.303 0.000
C2 0.000 0.905 0.000
C3 1.229 0.227 0.000
C4 1.198 -1.162 0.000
C5 -0.041 -1.820 0.000
C6 -1.197 -1.044 0.000
O7 0.012 2.258 0.000
H8 2.155 0.791 0.000
H9 2.126 -1.728 0.000
H10 -0.105 -2.903 0.000
H11 -2.181 -1.506 0.000
H12 -0.917 2.527 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.33032.41612.79792.41201.34662.29283.37703.88503.38302.06452.2407
C21.33031.40302.38862.72482.28661.35302.15833.38363.80893.25121.8635
C32.41611.40301.38952.40852.73812.36721.08472.15093.40223.82523.1452
C42.79792.38861.38951.40222.39713.61942.17501.08702.17423.39654.2520
C52.41202.72482.40851.40221.39224.07783.41142.16851.08492.16364.4343
C61.34662.28662.73812.39711.39223.51563.82123.39212.15571.08793.5819
O72.29281.35302.36723.61944.07783.51562.59744.51145.16174.35600.9667
H83.37702.15831.08472.17503.41143.82122.59742.51874.33044.90753.5287
H93.88503.38362.15091.08702.16853.39214.51142.51872.52154.31305.2307
H103.38303.80893.40222.17421.08492.15575.16174.33042.52152.50255.4902
H112.06453.25123.82523.39652.16361.08794.35604.90754.31302.50254.2268
H122.24071.86353.14524.25204.43433.58190.96673.52875.23075.49024.2268

picture of 2-Pyridinol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 124.217 N1 C2 O7 117.400
N1 C6 C5 123.435 N1 C6 H11 115.580
C2 N1 C6 117.344 C2 C3 C4 117.600
C2 C3 H8 119.809 C2 O7 H12 105.691
C3 C2 O7 118.383 C3 C4 C5 119.257
C3 C4 H9 120.082 C4 C3 H8 122.591
C4 C5 C6 118.147 C4 C5 H10 121.381
C5 C4 H9 120.661 C5 C6 H11 120.985
C6 C5 H10 120.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability