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All results from a given calculation for C5H5NO (3(2H)-Pyridinone)

using model chemistry: B1B95/STO-3G

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/STO-3G
 hartrees
Energy at 0K-319.241928
Energy at 298.15K-319.247662
Nuclear repulsion energy265.566984
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/STO-3G
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 3486 3078 4.11      
2 A 3461 3056 16.77      
3 A 3426 3025 3.97      
4 A 3410 3011 1.70      
5 A 3316 2928 3.51      
6 A 1815 1603 18.29      
7 A 1796 1586 13.82      
8 A 1706 1506 7.18      
9 A 1585 1400 7.56      
10 A 1495 1320 13.58      
11 A 1454 1284 0.09      
12 A 1411 1246 4.28      
13 A 1305 1153 3.21      
14 A 1283 1133 12.04      
15 A 1205 1064 8.48      
16 A 1071 946 0.07      
17 A 1058 935 7.74      
18 A 1027 907 0.45      
19 A 997 881 1.57      
20 A 964 851 7.49      
21 A 928 819 0.99      
22 A 802 708 19.82      
23 A 773 683 5.17      
24 A 572 505 2.63      
25 A 563 498 0.94      
26 A 505 446 4.18      
27 A 455 402 0.27      
28 A 434 383 7.76      
29 A 243 215 2.41      
30 A 23 21 6.26      

Unscaled Zero Point Vibrational Energy (zpe) 21285.5 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 18795.1 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/STO-3G
ABC
0.16934 0.08770 0.05845

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.273 -1.228 -0.026
C2 0.237 -1.284 0.049
C3 1.092 0.030 0.002
C4 0.298 1.308 0.029
C5 -1.049 1.272 0.011
C6 -1.782 -0.013 -0.032
O7 2.346 -0.000 -0.048
H8 0.566 -1.953 -0.769
H9 0.857 2.253 0.044
H10 -1.646 2.194 0.018
H11 -2.882 0.047 -0.077
H12 0.473 -1.820 0.991

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.51342.67902.98402.51101.31703.82152.11214.08163.44312.05392.1056
C21.51341.56762.59222.86192.38682.47011.10733.59023.95523.39401.1088
C32.67901.56761.50462.47582.87411.25502.19182.23583.49013.97522.1866
C42.98402.59221.50461.34842.46502.43053.36811.09772.13693.42333.2769
C52.51102.86192.47581.34841.48033.62613.69132.14381.09802.20673.5833
C61.31702.38682.87412.46501.48034.12733.13383.47892.21241.10333.0647
O73.82152.47011.25502.43053.62614.12732.73882.70184.55545.22832.8101
H82.11211.10732.19183.36813.69133.13382.73884.29384.76634.04641.7670
H94.08163.59022.23581.09772.14383.47892.70184.29382.50354.34314.1989
H103.44313.95523.49012.13691.09802.21244.55544.76632.50352.47984.6422
H112.05393.39403.97523.42332.20671.10335.22834.04644.34312.47983.9857
H122.10561.10882.18663.27693.58333.06472.81011.76704.19894.64223.9857

picture of 3(2H)-Pyridinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 120.793 N1 C2 H8 106.369
N1 C2 H12 105.799 N1 C6 C5 127.597
N1 C6 H11 115.837 C2 N1 C6 114.794
C2 C3 C4 115.065 C2 C3 O7 121.725
C3 C2 H8 108.828 C3 C2 H12 108.346
C3 C4 C5 120.308 C3 C4 H9 117.591
C4 C3 O7 123.209 C4 C5 C6 121.172
C4 C5 H10 121.389 C5 C4 H9 122.091
C5 C6 H11 116.566 C6 C5 H10 117.436
H8 C2 H12 105.753
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.195      
2 C -0.108      
3 C 0.140      
4 C -0.089      
5 C -0.080      
6 C 0.005      
7 O -0.176      
8 H 0.107      
9 H 0.098      
10 H 0.096      
11 H 0.093      
12 H 0.108      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.906 1.432 0.147 1.701
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.359 -3.767 0.164
y -3.767 -36.145 -0.161
z 0.164 -0.161 -36.627
Traceless
 xyz
x -4.973 -3.767 0.164
y -3.767 2.848 -0.161
z 0.164 -0.161 2.125
Polar
3z2-r24.250
x2-y2-5.214
xy-3.767
xz0.164
yz-0.161


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.747 -0.363 0.013
y -0.363 5.868 -0.000
z 0.013 -0.000 1.868


<r2> (average value of r2) Å2
<r2> 184.178
(<r2>)1/2 13.571