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All results from a given calculation for C5H5NO (2(3H)-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-323.145994
Energy at 298.15K-323.152307
HF Energy-322.823859
Nuclear repulsion energy272.835460
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 3245 3080 13.42      
2 A 3217 3054 5.32      
3 A 3163 3002 36.50      
4 A 3139 2979 1.56      
5 A 3040 2886 1.50      
6 A 1800 1709 210.55      
7 A 1715 1628 40.96      
8 A 1615 1533 110.32      
9 A 1473 1398 18.85      
10 A 1452 1378 25.49      
11 A 1428 1355 13.51      
12 A 1352 1284 3.88      
13 A 1235 1173 32.03      
14 A 1198 1137 1.88      
15 A 1163 1104 45.00      
16 A 1024 972 1.51      
17 A 1014 962 4.24      
18 A 991 941 15.63      
19 A 979 929 16.78      
20 A 967 918 3.46      
21 A 938 890 4.47      
22 A 773 734 5.11      
23 A 719 683 49.79      
24 A 621 589 0.88      
25 A 576 546 0.51      
26 A 533 505 1.62      
27 A 468 444 2.29      
28 A 433 411 3.36      
29 A 272 258 2.27      
30 A 77 73 2.33      

Unscaled Zero Point Vibrational Energy (zpe) 20308.4 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 19276.7 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
0.17362 0.09496 0.06379

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 0.361 -1.282 0.085
C2 1.051 -0.045 0.014
C3 0.265 1.264 0.132
C4 -1.219 1.127 -0.024
C5 -1.779 -0.084 -0.088
C6 -0.920 -1.271 0.021
O7 2.249 -0.026 -0.118
H8 0.651 1.920 -0.766
H9 -1.815 2.030 -0.070
H10 -2.845 -0.229 -0.192
H11 -1.419 -2.237 0.061
H12 0.522 1.752 0.985

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.41852.54802.88292.45881.28242.27723.32533.96593.38592.01983.1688
C21.41851.53162.55532.83292.32141.20532.15113.53943.90643.30282.1103
C32.54801.53161.49812.45832.80002.37991.17692.22523.46493.88501.0161
C42.88292.55531.49811.33612.41703.65602.16181.08302.12433.37102.1075
C52.45882.83292.45831.33611.46944.02933.22162.11491.08082.18783.1339
C61.28242.32142.80002.41701.46943.40793.64203.42162.19951.08793.4854
O72.27721.20532.37993.65604.02933.40792.59994.55465.09924.28682.7127
H83.32532.15111.17692.16183.22163.64202.59992.56374.14334.71611.7635
H93.96593.53942.22521.08302.11493.42164.55462.56372.48674.28772.5792
H103.38593.90643.46492.12431.08082.19955.09924.14332.48672.47594.0808
H112.01983.30283.88503.37102.18781.08794.28684.71614.28772.47594.5314
H123.16882.11031.01612.10753.13393.48542.71271.76352.57924.08084.5314

picture of 2(3H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 119.418 N1 C2 O7 120.222
N1 C6 C5 126.505 N1 C6 H11 116.643
C2 N1 C6 118.432 C2 C3 C4 115.003
C2 C3 H8 104.393 C2 C3 H12 110.206
C3 C2 O7 120.349 C3 C4 C5 120.207
C3 C4 H9 118.222 C4 C3 H8 107.222
C4 C3 H12 112.496 C4 C5 C6 118.897
C4 C5 H10 122.683 C5 C4 H9 121.567
C5 C6 H11 116.849 C6 C5 H10 118.401
H8 C3 H12 106.823
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 -0.455      
2 C 0.601      
3 C -0.434      
4 C -0.112      
5 C -0.177      
6 C 0.072      
7 O -0.476      
8 H 0.213      
9 H 0.188      
10 H 0.180      
11 H 0.186      
12 H 0.214      


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 10.602 0.499 0.161
y 0.499 9.301 -0.013
z 0.161 -0.013 4.409


<r2> (average value of r2) Å2
<r2> 176.001
(<r2>)1/2 13.267