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 (4(3H)-Pryidinone)

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-323.388734
Energy at 298.15K-323.394885
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' 3238 3101 4.52      
2 A' 3205 3070 11.61      
3 A' 3146 3013 19.94      
4 A' 3062 2933 0.65      
5 A' 1780 1705 351.65      
6 A' 1717 1644 64.93      
7 A' 1640 1571 47.46      
8 A' 1429 1369 22.04      
9 A' 1402 1343 3.39      
10 A' 1363 1306 45.33      
11 A' 1336 1279 15.22      
12 A' 1251 1198 21.02      
13 A' 1212 1161 15.49      
14 A' 1013 970 6.32      
15 A' 979 938 13.87      
16 A' 933 894 15.11      
17 A' 783 750 3.30      
18 A' 620 593 1.42      
19 A' 484 464 4.26      
20 A' 449 430 10.81      
21 A" 3098 2968 0.04      
22 A" 1173 1124 3.20      
23 A" 1023 980 0.27      
24 A" 984 942 3.58      
25 A" 835 800 1.32      
26 A" 804 770 26.53      
27 A" 525 503 1.94      
28 A" 426 408 6.20      
29 A" 250 239 0.56      
30 A" 25 24 14.42      

Unscaled Zero Point Vibrational Energy (zpe) 20090.5 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 19244.7 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
0.18541 0.09013 0.06132

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 0.089 -1.837 0.000
C2 -1.043 -1.244 0.000
C3 -1.256 0.230 0.000
C4 0.000 1.073 0.000
C5 1.249 0.320 0.000
C6 1.234 -1.029 0.000
O7 -0.050 2.290 0.000
H8 -1.935 -1.878 0.000
H9 -1.870 0.510 0.869
H10 2.182 0.878 0.000
H11 2.168 -1.589 0.000
H12 -1.870 0.510 -0.869

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.27892.46672.91172.44921.40114.12952.02483.17873.42822.09293.1787
C21.27891.48922.54082.77482.28723.67051.09452.12463.86083.22952.1246
C32.46671.48921.51242.50632.78972.38662.21531.09993.49853.87701.0999
C42.91172.54081.51241.45822.43701.21793.52922.13702.19083.43322.1370
C52.44922.77482.50631.45821.34892.35953.86913.24281.08742.11903.2428
C61.40112.28722.78972.43701.34893.55823.28063.57122.12971.08933.5712
O74.12953.67052.38661.21792.35953.55824.57472.68932.64114.46842.6893
H82.02481.09452.21533.52923.86913.28064.57472.54264.95474.11272.5426
H93.17872.12461.09992.13703.24283.57122.68932.54264.16014.63281.7373
H103.42823.86083.49852.19081.08742.12972.64114.95474.16012.46764.1601
H112.09293.22953.87703.43322.11901.08934.46844.11274.63282.46764.6328
H123.17872.12461.09992.13703.24283.57122.68932.54261.73734.16014.6328

picture of 4(3H)-Pryidinone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 125.857 N1 C2 H8 116.898
N1 C6 C5 125.894 N1 C6 H11 113.770
C2 N1 C6 117.096 C2 C3 C4 115.662
C2 C3 H9 109.370 C2 C3 H12 109.370
C3 C2 H8 117.244 C3 C4 C5 115.052
C3 C4 O7 121.509 C4 C3 H9 108.754
C4 C3 H12 108.754 C4 C5 C6 120.438
C4 C5 H10 118.039 C5 C4 O7 123.438
C5 C6 H11 120.336 C6 C5 H10 121.523
H9 C3 H12 104.325
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 -0.264      
2 C 0.408      
3 C 0.500      
4 C -0.133      
5 C 1.476      
6 C 0.212      
7 O -0.603      
8 H -0.456      
9 H -0.005      
10 H -0.620      
11 H -0.510      
12 H -0.005      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.904 -1.792 0.000 2.007
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 11.206 0.022 0.000
y 0.022 12.677 0.000
z 0.000 0.000 6.347


<r2> (average value of r2) Å2
<r2> 179.025
(<r2>)1/2 13.380