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

using model chemistry: B3LYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/3-21G
 hartrees
Energy at 0K-321.735732
Energy at 298.15K-321.742574
Nuclear repulsion energy273.713062
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 B3LYP/3-21G
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' 3525 3401 51.25      
2 A' 3254 3140 2.86      
3 A' 3245 3131 3.29      
4 A' 3218 3105 3.39      
5 A' 3195 3083 9.91      
6 A' 1753 1691 371.82      
7 A' 1665 1606 43.88      
8 A' 1575 1520 45.05      
9 A' 1505 1453 0.38      
10 A' 1465 1414 9.43      
11 A' 1427 1377 4.08      
12 A' 1269 1225 20.58      
13 A' 1251 1207 4.12      
14 A' 1167 1126 15.50      
15 A' 1109 1070 24.25      
16 A' 1028 991 13.69      
17 A' 1006 971 0.31      
18 A' 806 778 6.75      
19 A' 629 607 1.02      
20 A' 556 537 4.91      
21 A' 450 435 6.02      
22 A" 1052 1015 1.85      
23 A" 994 959 0.52      
24 A" 905 874 47.05      
25 A" 823 794 72.76      
26 A" 784 757 10.80      
27 A" 737 711 63.15      
28 A" 522 503 50.99      
29 A" 408 394 0.72      
30 A" 191 184 2.41      

Unscaled Zero Point Vibrational Energy (zpe) 20756.3 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 20027.8 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 B3LYP/3-21G
ABC
0.18816 0.09152 0.06157

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.149 0.227 0.000
C2 0.000 1.075 0.000
C3 1.242 0.321 0.000
C4 1.272 -1.042 0.000
C5 0.068 -1.811 0.000
C6 -1.119 -1.141 0.000
O7 -0.136 2.308 0.000
H8 2.147 0.911 0.000
H9 2.226 -1.559 0.000
H10 0.091 -2.891 0.000
H11 -2.075 -1.649 0.000
H12 -2.037 0.724 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.42722.39202.73342.37411.36902.31413.36593.81803.35552.09251.0179
C21.42721.45232.46942.88672.48261.24122.15333.44843.96663.42402.0667
C32.39201.45231.36332.43402.77702.41821.08092.12243.41223.85783.3031
C42.73342.46941.36331.42912.39363.63432.14011.08472.19463.40243.7510
C52.37412.88672.43401.42911.36324.12473.42562.17211.07992.14983.2955
C61.36902.48262.77702.39361.36323.58703.85773.37072.12701.08252.0792
O72.31411.24122.41823.63434.12473.58702.67694.53195.20434.40652.4740
H83.36592.15331.08092.14013.42563.85772.67692.47204.32294.93804.1881
H93.81803.44842.12241.08472.17213.37074.53192.47202.51634.30204.8356
H103.35553.96663.41222.19461.07992.12705.20434.32292.51632.49704.1948
H112.09253.42403.85783.40242.14981.08254.40654.93804.30202.49702.3732
H121.01792.06673.30313.75103.29552.07922.47404.18814.83564.19482.3732

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 112.332 N1 C2 O7 120.110
N1 C6 C5 120.665 N1 C6 H11 116.709
C2 N1 C6 125.185 C2 N1 H12 114.357
C2 C3 C4 122.546 C2 C3 H8 115.654
C3 C2 O7 127.558 C3 C4 C5 121.283
C3 C4 H9 119.796 C4 C3 H8 121.800
C4 C5 C6 117.989 C4 C5 H10 121.390
C5 C4 H9 118.921 C5 C6 H11 122.626
C6 N1 H12 120.457 C6 C5 H10 120.621
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.755      
2 C 0.632      
3 C -0.260      
4 C -0.143      
5 C -0.275      
6 C 0.152      
7 O -0.520      
8 H 0.210      
9 H 0.204      
10 H 0.194      
11 H 0.228      
12 H 0.334      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.335 -3.740 0.000 3.971
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.891 0.140 0.000
y 0.140 -45.645 0.000
z 0.000 0.000 -42.917
Traceless
 xyz
x 13.390 0.140 0.000
y 0.140 -8.741 0.000
z 0.000 0.000 -4.648
Polar
3z2-r2-9.297
x2-y214.754
xy0.140
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.227 0.010 0.000
y 0.010 11.281 0.000
z 0.000 0.000 2.369


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000