return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H5NO (2(5H)-Pyridinone)

using model chemistry: LSDA/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/aug-cc-pVDZ
 hartrees
Energy at 0K-321.748114
Energy at 298.15K-321.754265
Nuclear repulsion energy273.156656
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 LSDA/aug-cc-pVDZ
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' 3135 3099 1.68      
2 A' 3100 3065 4.10      
3 A' 3008 2974 28.09      
4 A' 2932 2899 0.82      
5 A' 1738 1718 242.54      
6 A' 1697 1678 100.41      
7 A' 1646 1627 61.51      
8 A' 1380 1365 43.76      
9 A' 1357 1341 18.00      
10 A' 1319 1304 3.27      
11 A' 1305 1290 59.07      
12 A' 1202 1189 46.73      
13 A' 1093 1081 10.62      
14 A' 977 966 5.03      
15 A' 937 927 15.66      
16 A' 903 893 10.24      
17 A' 794 785 5.92      
18 A' 581 574 0.21      
19 A' 536 530 1.61      
20 A' 457 452 2.66      
21 A" 2953 2920 0.11      
22 A" 1123 1111 0.00      
23 A" 985 974 0.41      
24 A" 946 935 13.42      
25 A" 849 839 21.18      
26 A" 754 745 10.13      
27 A" 569 563 9.13      
28 A" 363 359 1.25      
29 A" 302 298 4.44      
30 A" 36 36 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19487.2 cm-1
Scaled (by 0.9887) Zero Point Vibrational Energy (zpe) 19267.0 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 LSDA/aug-cc-pVDZ
ABC
0.18206 0.09343 0.06244

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.245 0.400 0.000
C2 0.000 1.075 0.000
C3 1.236 0.290 0.000
C4 1.214 -1.053 0.000
C5 -0.069 -1.775 0.000
C6 -1.251 -0.882 0.000
O7 0.018 2.295 0.000
H8 2.173 0.867 0.000
H9 2.149 -1.637 0.000
H10 -0.145 -2.468 0.871
H11 -2.244 -1.378 0.000
H12 -0.145 -2.468 -0.871

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.41622.48322.85632.47171.28112.27783.44923.95823.19202.03883.1920
C21.41621.46422.45012.85032.32211.22022.18253.46013.65103.32423.6510
C32.48321.46421.34302.44232.74882.34591.10022.13203.20463.85863.2046
C42.85632.45011.34301.47252.47133.55532.14561.10222.14683.47342.1468
C52.47172.85032.44231.47251.48124.07053.46442.22301.11572.21051.1157
C61.28112.32212.74882.47131.48123.42073.84403.48322.12061.11002.1206
O72.27781.22022.34593.55534.07053.42072.58464.47204.84444.31354.8444
H83.44922.18251.10022.14563.46443.84402.58462.50354.15334.95404.1533
H93.95823.46012.13201.10222.22303.48324.47202.50352.59154.40082.5915
H103.19203.65103.20462.14681.11572.12064.84444.15332.59152.51991.7419
H112.03883.32423.85863.47342.21051.11004.31354.95404.40082.51992.5199
H123.19203.65103.20462.14681.11572.12064.84444.15332.59151.74192.5199

picture of 2(5H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 119.094 N1 C2 O7 119.341
N1 C6 C5 126.813 N1 C6 H11 116.827
C2 N1 C6 118.747 C2 C3 C4 121.513
C2 C3 H8 115.934 C3 C2 O7 121.566
C3 C4 C5 120.256 C3 C4 H9 121.051
C4 C3 H8 122.552 C4 C5 C6 113.578
C4 C5 H10 111.341 C4 C5 H12 111.341
C5 C4 H9 118.693 C5 C6 H11 116.360
C6 C5 H10 108.668 C6 C5 H12 108.668
H10 C5 H12 102.642
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N 0.023      
2 C 0.147      
3 C 1.004      
4 C 0.127      
5 C 0.429      
6 C 0.400      
7 O -0.409      
8 H -0.614      
9 H -0.500      
10 H -0.067      
11 H -0.472      
12 H -0.067      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.536 -6.059 0.000 6.250
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.332 3.030 0.000
y 3.030 -43.913 0.000
z 0.000 0.000 -40.685
Traceless
 xyz
x 2.967 3.030 0.000
y 3.030 -3.905 0.000
z 0.000 0.000 0.937
Polar
3z2-r21.875
x2-y24.581
xy3.030
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.445 0.232 0.000
y 0.232 14.774 0.000
z 0.000 0.000 6.587


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