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

using model chemistry: B2PLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-323.378577
Energy at 298.15K-323.385302
HF Energy-322.977956
Nuclear repulsion energy275.701385
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/cc-pVTZ
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' 3610 3463 62.73      
2 A' 3251 3119 3.03      
3 A' 3234 3102 2.01      
4 A' 3224 3093 1.80      
5 A' 3194 3064 9.78      
6 A' 1757 1686 540.63      
7 A' 1665 1597 50.02      
8 A' 1587 1522 44.44      
9 A' 1499 1438 1.20      
10 A' 1459 1400 5.18      
11 A' 1396 1340 2.08      
12 A' 1251 1200 20.18      
13 A' 1228 1178 9.07      
14 A' 1171 1123 18.14      
15 A' 1113 1067 16.70      
16 A' 1023 982 3.68      
17 A' 1006 965 14.02      
18 A' 821 788 8.54      
19 A' 617 592 0.61      
20 A' 547 525 6.08      
21 A' 455 436 6.49      
22 A" 1014 973 0.02      
23 A" 952 913 0.05      
24 A" 864 829 15.54      
25 A" 776 745 67.62      
26 A" 744 713 1.75      
27 A" 707 678 38.54      
28 A" 493 473 38.06      
29 A" 392 376 1.35      
30 A" 173 166 2.67      

Unscaled Zero Point Vibrational Energy (zpe) 20608.3 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 19771.6 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 B2PLYP/cc-pVTZ
ABC
0.18999 0.09323 0.06254

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.135 0.233 0.000
C2 0.000 1.065 0.000
C3 1.242 0.322 0.000
C4 1.262 -1.038 0.000
C5 0.061 -1.799 0.000
C6 -1.119 -1.127 0.000
O7 -0.133 2.281 0.000
H8 2.148 0.907 0.000
H9 2.211 -1.556 0.000
H10 0.074 -2.876 0.000
H11 -2.081 -1.615 0.000
H12 -2.012 0.731 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.40732.37842.71292.35771.35982.28013.35153.79413.33532.07581.0087
C21.40731.44662.45252.86452.46081.22352.15353.42883.94113.39292.0397
C32.37841.44661.36102.42812.77012.39281.07862.11383.40473.84643.2794
C42.71292.45251.36101.42152.38233.60042.13821.08132.18793.39233.7213
C52.35772.86452.42811.42151.35794.08463.41782.16381.07672.15003.2708
C61.35982.46082.77012.38231.35793.54763.84853.35752.11691.07892.0613
O72.28011.22352.39283.60044.08463.54762.66244.49635.16084.35572.4359
H83.35152.15351.07862.13823.41783.84852.66242.46444.31444.92414.1637
H93.79413.42882.11381.08132.16383.35754.49632.46442.51174.29264.8026
H103.33533.94113.40472.18791.07672.11695.16084.31442.51172.49694.1664
H112.07583.39293.84643.39232.15001.07894.35574.92414.29262.49692.3467
H121.00872.03973.27943.72133.27082.06132.43594.16374.80264.16642.3467

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 112.890 N1 C2 O7 119.996
N1 C6 C5 120.347 N1 C6 H11 116.212
C2 N1 C6 125.565 C2 N1 H12 114.169
C2 C3 C4 121.711 C2 C3 H8 116.280
C3 C2 O7 127.115 C3 C4 C5 121.514
C3 C4 H9 119.448 C4 C3 H8 122.009
C4 C5 C6 117.974 C4 C5 H10 121.661
C5 C4 H9 119.039 C5 C6 H11 123.441
C6 N1 H12 120.266 C6 C5 H10 120.365
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.065      
2 C 0.231      
3 C -0.195      
4 C -0.093      
5 C -0.176      
6 C -0.048      
7 O -0.404      
8 H 0.154      
9 H 0.140      
10 H 0.146      
11 H 0.145      
12 H 0.164      


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 10.665 0.026 0.000
y 0.026 12.878 0.000
z 0.000 0.000 5.014


<r2> (average value of r2) Å2
<r2> 176.421
(<r2>)1/2 13.282