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

using model chemistry: B1B95/CEP-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 B1B95/CEP-31G
 hartrees
Energy at 0K-56.979706
Energy at 298.15K-56.986422
Nuclear repulsion energy138.975137
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 B1B95/CEP-31G
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' 3639 3484 57.82      
2 A' 3271 3132 9.57      
3 A' 3259 3120 7.41      
4 A' 3238 3100 5.84      
5 A' 3205 3068 17.34      
6 A' 1724 1651 401.65      
7 A' 1660 1589 210.10      
8 A' 1601 1533 32.89      
9 A' 1485 1422 0.48      
10 A' 1445 1384 9.51      
11 A' 1392 1332 1.48      
12 A' 1291 1237 23.68      
13 A' 1235 1183 10.67      
14 A' 1167 1117 14.14      
15 A' 1109 1062 24.48      
16 A' 1028 984 3.11      
17 A' 981 940 12.45      
18 A' 820 785 4.18      
19 A' 598 572 0.35      
20 A' 529 507 5.83      
21 A' 435 417 8.05      
22 A" 1057 1012 0.21      
23 A" 998 956 0.70      
24 A" 894 856 10.61      
25 A" 802 768 103.24      
26 A" 798 764 75.82      
27 A" 718 687 40.92      
28 A" 511 489 38.64      
29 A" 390 373 0.56      
30 A" 181 173 4.51      

Unscaled Zero Point Vibrational Energy (zpe) 20729.7 cm-1
Scaled (by 0.9575) Zero Point Vibrational Energy (zpe) 19848.7 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 B1B95/CEP-31G
ABC
0.18335 0.08969 0.06023

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.155 0.240 0.000
C2 0.000 1.073 0.000
C3 1.265 0.327 0.000
C4 1.286 -1.065 0.000
C5 0.061 -1.836 0.000
C6 -1.143 -1.141 0.000
O7 -0.134 2.332 0.000
H8 2.178 0.921 0.000
H9 2.245 -1.588 0.000
H10 0.070 -2.924 0.000
H11 -2.115 -1.637 0.000
H12 -2.037 0.748 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.42412.42222.76772.40611.38062.32783.40223.86063.39252.10781.0180
C21.42411.46852.49412.90942.49101.26622.18323.48143.99693.43712.0632
C32.42221.46851.39202.47602.82042.44471.08892.15143.46373.90933.3295
C42.76772.49411.39201.44732.42983.68122.17721.09302.22133.44823.7853
C52.40612.90942.47601.44731.39044.17243.47632.19811.08762.18493.3289
C61.38062.49102.82042.42981.39043.61603.90903.41742.15631.09122.0898
O72.32781.26622.44473.68124.17243.61602.70844.58545.25934.43542.4761
H83.40222.18321.08892.17723.47633.90902.70842.51034.38494.99724.2190
H93.86063.48142.15141.09302.19813.41744.58542.51032.55254.36014.8783
H103.39253.99693.46372.22131.08762.15635.25934.38492.55252.53544.2334
H112.10783.43713.90933.44822.18491.09124.43544.99724.36012.53542.3861
H121.01802.06323.32953.78533.32892.08982.47614.21904.87834.23342.3861

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 113.715 N1 C2 O7 119.704
N1 C6 C5 120.523 N1 C6 H11 116.534
C2 N1 C6 125.272 C2 N1 H12 114.279
C2 C3 C4 121.337 C2 C3 H8 116.441
C3 C2 O7 126.581 C3 C4 C5 121.374
C3 C4 H9 119.455 C4 C3 H8 122.222
C4 C5 C6 117.779 C4 C5 H10 121.749
C5 C4 H9 119.170 C5 C6 H11 122.943
C6 N1 H12 120.450 C6 C5 H10 120.473
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.017      
2 C -0.352      
3 C -0.047      
4 C -0.477      
5 C -0.015      
6 C -0.417      
7 O -0.148      
8 H 0.306      
9 H 0.273      
10 H 0.305      
11 H 0.240      
12 H 0.349      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.273 -4.882 0.000 5.046
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.075 0.312 0.000
y 0.312 -48.569 0.000
z 0.000 0.000 -43.031
Traceless
 xyz
x 15.725 0.312 0.000
y 0.312 -12.017 0.000
z 0.000 0.000 -3.709
Polar
3z2-r2-7.417
x2-y218.495
xy0.312
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.737 -0.100 0.000
y -0.100 12.517 0.000
z 0.000 0.000 3.918


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