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All results from a given calculation for C5H5NO (4-Pyridinol)

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-323.169009
Energy at 298.15K-323.175588
HF Energy-322.847358
Nuclear repulsion energy273.715069
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 B2PLYP/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3756 3565 52.59      
2 A' 3253 3087 3.87      
3 A' 3217 3053 14.24      
4 A' 3209 3046 30.95      
5 A' 3200 3037 14.41      
6 A' 1670 1585 95.72      
7 A' 1653 1569 117.89      
8 A' 1556 1477 34.60      
9 A' 1481 1406 25.02      
10 A' 1407 1335 30.19      
11 A' 1353 1284 20.47      
12 A' 1337 1269 54.39      
13 A' 1258 1194 13.71      
14 A' 1219 1157 131.38      
15 A' 1119 1062 4.45      
16 A' 1089 1033 0.23      
17 A' 1012 961 13.59      
18 A' 854 810 42.63      
19 A' 683 649 0.24      
20 A' 528 501 0.42      
21 A' 408 387 10.89      
22 A" 983 933 0.03      
23 A" 950 902 0.04      
24 A" 849 806 5.46      
25 A" 808 767 39.92      
26 A" 728 691 4.70      
27 A" 540 513 12.18      
28 A" 411 390 108.07      
29 A" 393 373 23.00      
30 A" 228 217 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 20574.1 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 19528.9 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 B2PLYP/6-31G*
ABC
0.19968 0.08759 0.06088

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.019 -1.877 0.000
C2 -1.125 -1.184 0.000
C3 -1.197 0.211 0.000
C4 0.000 0.936 0.000
C5 1.208 0.229 0.000
C6 1.156 -1.162 0.000
O7 0.054 2.291 0.000
H8 -2.044 -1.767 0.000
H9 -2.160 0.714 0.000
H10 2.151 0.765 0.000
H11 2.082 -1.734 0.000
H12 -0.845 2.652 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.33742.41562.81252.41851.34254.16802.06633.38523.39422.06744.6105
C21.33741.39672.40002.72812.28093.66991.08852.16203.81173.25343.8467
C32.41561.39671.39932.40512.72382.42742.15171.08683.39313.81162.4668
C42.81252.40001.39931.39972.39531.35653.38892.17142.15773.38521.9130
C52.41852.72812.40511.39971.39252.36323.81643.40301.08392.14863.1757
C61.34252.28092.72382.39531.39253.62503.25673.80982.16861.08814.3072
O74.16803.66992.42741.35652.36323.62504.56852.71822.59404.50700.9681
H82.06631.08852.15173.38893.81643.25674.56852.48374.89984.12604.5792
H93.38522.16201.08682.17143.40303.80982.71822.48374.31124.89722.3425
H103.39423.81173.39312.15771.08392.16862.59404.89984.31122.49933.5407
H112.06743.25343.81163.38522.14861.08814.50704.12604.89722.49935.2726
H124.61053.84672.46681.91303.17574.30720.96814.57922.34253.54075.2726

picture of 4-Pyridinol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 124.126 N1 C2 H8 116.438
N1 C6 C5 124.315 N1 C6 H11 116.159
C2 N1 C6 116.665 C2 C3 C4 118.270
C2 C3 H9 120.528 C3 C2 H8 119.436
C3 C4 C5 118.475 C3 C4 O7 123.481
C4 C3 H9 121.202 C4 C5 C6 118.150
C4 C5 H10 120.097 C4 O7 H12 109.625
C5 C4 O7 118.044 C5 C6 H11 119.526
C6 C5 H10 121.753
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.471      
2 C 0.055      
3 C -0.258      
4 C 0.411      
5 C -0.221      
6 C 0.050      
7 O -0.683      
8 H 0.170      
9 H 0.160      
10 H 0.182      
11 H 0.171      
12 H 0.433      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.285 -0.256 0.000
y -0.256 10.683 0.000
z 0.000 0.000 3.314


<r2> (average value of r2) Å2
<r2> 179.339
(<r2>)1/2 13.392