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All results from a given calculation for C5H5NO (2(1H)-Pyridinone)

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-323.182445
Energy at 298.15K-323.189067
HF Energy-322.859218
Nuclear repulsion energy274.663107
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' 3613 3429 58.64      
2 A' 3272 3105 5.30      
3 A' 3260 3094 3.67      
4 A' 3250 3085 2.65      
5 A' 3219 3055 12.38      
6 A' 1793 1702 484.46      
7 A' 1687 1601 50.67      
8 A' 1608 1526 46.90      
9 A' 1516 1439 1.45      
10 A' 1474 1399 3.79      
11 A' 1407 1336 1.10      
12 A' 1269 1204 16.63      
13 A' 1242 1179 9.15      
14 A' 1185 1125 14.81      
15 A' 1123 1066 18.74      
16 A' 1033 981 2.32      
17 A' 1005 954 12.90      
18 A' 829 787 6.76      
19 A' 619 588 0.42      
20 A' 548 520 5.74      
21 A' 453 430 7.28      
22 A" 986 936 0.11      
23 A" 915 869 0.01      
24 A" 848 804 14.62      
25 A" 764 725 98.36      
26 A" 726 689 10.99      
27 A" 693 657 21.66      
28 A" 481 457 39.43      
29 A" 386 366 2.29      
30 A" 173 164 1.69      

Unscaled Zero Point Vibrational Energy (zpe) 20686.3 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 19635.4 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
0.18874 0.09248 0.06207

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 -1.138 0.247 0.000
C2 0.000 1.071 0.000
C3 1.248 0.309 0.000
C4 1.262 -1.054 0.000
C5 0.043 -1.810 0.000
C6 -1.132 -1.124 0.000
O7 -0.106 2.294 0.000
H8 2.158 0.898 0.000
H9 2.208 -1.588 0.000
H10 0.053 -2.892 0.000
H11 -2.106 -1.602 0.000
H12 -2.017 0.750 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.40542.38752.72992.37191.37152.29263.36003.81663.35742.08671.0129
C21.40541.46232.47142.88152.47051.22742.16503.45653.96333.40302.0427
C32.38751.46231.36352.43842.77922.40251.08332.12653.41703.86073.2953
C42.72992.47141.36351.43442.39513.61652.14771.08682.19943.41203.7426
C52.37192.88152.43841.43441.36044.10673.43612.17681.08182.15873.2862
C61.37152.47052.77922.39511.36043.56923.86213.37252.12831.08442.0732
O72.29261.22742.40253.61654.10673.56922.65994.51945.18824.37922.4568
H83.36002.16501.08332.14773.43613.86212.65992.48624.33464.94264.1779
H93.81663.45652.12651.08682.17683.37254.51942.48622.51844.31424.8293
H103.35743.96333.41702.19941.08182.12835.18824.33462.51842.51554.1897
H112.08673.40303.86073.41202.15871.08444.37924.94264.31422.51552.3538
H121.01292.04273.29533.74263.28622.07322.45684.17794.82934.18972.3538

picture of 2(1H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 112.705 N1 C2 O7 120.950
N1 C6 C5 120.510 N1 C6 H11 115.867
C2 N1 C6 125.655 C2 N1 H12 114.298
C2 C3 C4 121.951 C2 C3 H8 115.722
C3 C2 O7 126.345 C3 C4 C5 121.248
C3 C4 H9 119.995 C4 C3 H8 122.327
C4 C5 C6 117.931 C4 C5 H10 121.234
C5 C4 H9 118.757 C5 C6 H11 123.624
C6 N1 H12 120.048 C6 C5 H10 120.835
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 -0.716      
2 C 0.681      
3 C -0.268      
4 C -0.100      
5 C -0.245      
6 C 0.126      
7 O -0.587      
8 H 0.186      
9 H 0.180      
10 H 0.175      
11 H 0.197      
12 H 0.372      


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 9.740 0.025 0.000
y 0.025 11.919 0.000
z 0.000 0.000 3.294


<r2> (average value of r2) Å2
<r2> 177.118
(<r2>)1/2 13.309