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 (3(6H)-Pyridinone)

using model chemistry: B1B95/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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-323.385751
Energy at 298.15K-323.392161
Nuclear repulsion energy 
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/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' 3227 3092 4.11      
2 A' 3185 3051 9.16      
3 A' 3153 3020 18.30      
4 A' 3035 2907 4.72      
5 A' 1778 1703 280.42      
6 A' 1734 1661 35.59      
7 A' 1702 1630 10.03      
8 A' 1428 1368 8.03      
9 A' 1399 1340 27.99      
10 A' 1373 1315 4.90      
11 A' 1339 1283 3.87      
12 A' 1288 1233 8.17      
13 A' 1155 1106 2.05      
14 A' 1039 995 12.23      
15 A' 971 930 15.08      
16 A' 909 871 7.56      
17 A' 783 750 6.39      
18 A' 571 547 4.79      
19 A' 515 494 8.04      
20 A' 436 418 20.51      
21 A" 3055 2927 1.38      
22 A" 1234 1182 0.21      
23 A" 1028 985 1.95      
24 A" 989 947 18.81      
25 A" 933 894 0.84      
26 A" 815 780 20.28      
27 A" 585 560 10.80      
28 A" 374 358 11.74      
29 A" 323 310 10.18      
30 A" 112 107 0.66      

Unscaled Zero Point Vibrational Energy (zpe) 20233.6 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 19381.7 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/aug-cc-pVDZ
ABC
0.17871 0.09269 0.06171

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.268 -1.034 0.000
C2 -1.231 0.238 0.000
C3 0.000 1.083 0.000
C4 1.265 0.353 0.000
C5 1.241 -0.987 0.000
C6 -0.026 -1.759 0.000
O7 -0.088 2.299 0.000
H8 -2.175 0.792 0.000
H9 2.187 0.930 0.000
H10 2.169 -1.561 0.000
H11 -0.046 -2.441 0.865
H12 -0.046 -2.441 -0.865

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.27302.46812.88812.50991.43853.53642.03913.97483.47802.05452.0545
C21.27301.49312.49862.75942.33282.35691.09423.48783.84733.05463.0546
C32.46811.49311.46042.41392.84221.21942.19412.19283.42013.62903.6290
C42.88812.49861.46041.34042.47502.37033.46751.08812.11683.20523.2052
C52.50992.75942.41391.34041.48343.54513.85162.13781.09132.12592.1259
C61.43852.33282.84222.47501.48344.05883.33583.48242.20431.10201.1020
O73.53642.35691.21942.37033.54514.05882.57412.65574.47174.81884.8188
H82.03911.09422.19413.46753.85163.33582.57414.36434.94063.96653.9665
H93.97483.48782.19281.08812.13783.48242.65574.36432.49054.13514.1351
H103.47803.84733.42012.11681.09132.20434.47174.94062.49052.53652.5365
H112.05453.05463.62903.20522.12591.10204.81883.96654.13512.53651.7308
H122.05453.05463.62903.20522.12591.10204.81883.96654.13512.53651.7308

picture of 3(6H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 126.131 N1 C2 H8 118.748
N1 C6 C5 118.398 N1 C6 H11 107.197
N1 C6 H12 107.197 C2 N1 C6 118.580
C2 C3 C4 115.546 C2 C3 O7 120.325
C3 N1 H8 57.316 C3 C4 C5 118.983
C3 C4 H9 117.992 C4 C3 O7 124.129
C4 C5 C6 122.362 C4 C5 H10 120.686
C5 C4 H9 123.024 C5 C6 H11 109.747
C5 C6 H12 109.747 C6 C5 H10 116.952
H11 C6 H12 103.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.287      
2 C 0.517      
3 C 0.416      
4 C 0.860      
5 C 0.202      
6 C 0.734      
7 O -0.596      
8 H -0.496      
9 H -0.576      
10 H -0.544      
11 H -0.115      
12 H -0.115      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.962 -3.360 0.000 3.891
CHELPG        
AIM        
ESP        


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 9.921 -0.592 0.000
y -0.592 14.206 0.000
z 0.000 0.000 6.377


<r2> (average value of r2) Å2
<r2> 179.181
(<r2>)1/2 13.386