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

using model chemistry: B1B95/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-323.499344
Energy at 298.15K-323.506088
Nuclear repulsion energy277.126857
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/cc-pVTZ
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' 3634 3478 62.46      
2 A' 3256 3116 3.04      
3 A' 3239 3100 1.87      
4 A' 3225 3086 2.16      
5 A' 3195 3058 10.43      
6 A' 1795 1718 613.60      
7 A' 1694 1621 43.03      
8 A' 1611 1542 60.14      
9 A' 1509 1444 2.34      
10 A' 1465 1403 5.33      
11 A' 1394 1334 1.91      
12 A' 1262 1208 17.13      
13 A' 1228 1176 12.23      
14 A' 1169 1119 14.28      
15 A' 1120 1072 16.69      
16 A' 1034 989 4.20      
17 A' 1002 959 13.30      
18 A' 836 800 6.68      
19 A' 613 586 0.31      
20 A' 544 521 6.63      
21 A' 454 434 7.03      
22 A" 1023 979 0.08      
23 A" 964 923 0.07      
24 A" 870 832 18.91      
25 A" 783 749 63.51      
26 A" 751 719 3.44      
27 A" 715 684 38.89      
28 A" 493 472 36.26      
29 A" 391 374 0.96      
30 A" 174 167 3.11      

Unscaled Zero Point Vibrational Energy (zpe) 20720.7 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 19831.7 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/cc-pVTZ
ABC
0.19199 0.09425 0.06322

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -1.127 0.235 0.000
C2 0.000 1.059 0.000
C3 1.237 0.318 0.000
C4 1.254 -1.035 0.000
C5 0.057 -1.792 0.000
C6 -1.114 -1.117 0.000
O7 -0.130 2.268 0.000
H8 2.143 0.903 0.000
H9 2.202 -1.555 0.000
H10 0.066 -2.868 0.000
H11 -2.078 -1.602 0.000
H12 -2.002 0.732 0.000

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 O7 H8 H9 H10 H11 H12
N11.39662.36552.69852.34671.35152.26493.33763.77973.32402.06751.0065
C21.39661.44152.44072.85102.44441.21622.14833.41783.92733.37562.0288
C32.36551.44151.35362.41752.75422.38111.07812.10753.39443.83043.2653
C42.69852.44071.35361.41612.36923.58152.13201.08122.18393.37943.7047
C52.34672.85102.41751.41611.35114.06403.40752.15811.07632.14293.2569
C61.35152.44442.75422.36921.35113.52513.83203.34452.11141.07882.0512
O72.26491.21622.38113.58154.06403.52512.65134.47845.13974.33212.4218
H83.33762.14831.07812.13203.40753.83202.65132.45874.30464.90754.1485
H93.77973.41782.10751.08122.15813.34454.47842.45872.50684.27984.7860
H103.32403.92733.39442.18391.07632.11145.13974.30462.50682.48994.1517
H112.06753.37563.83043.37942.14291.07884.33214.90754.27982.48992.3347
H121.00652.02883.26533.70473.25692.05122.42184.14854.78604.15172.3347

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 112.912 N1 C2 O7 120.035
N1 C6 C5 120.524 N1 C6 H11 116.124
C2 N1 C6 125.607 C2 N1 H12 114.209
C2 C3 C4 121.637 C2 C3 H8 116.262
C3 C2 O7 127.053 C3 C4 C5 121.562
C3 C4 H9 119.477 C4 C3 H8 122.101
C4 C5 C6 117.758 C4 C5 H10 121.786
C5 C4 H9 118.961 C5 C6 H11 123.352
C6 N1 H12 120.184 C6 C5 H10 120.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.045      
2 C 0.198      
3 C -0.215      
4 C -0.072      
5 C -0.200      
6 C -0.040      
7 O -0.365      
8 H 0.153      
9 H 0.137      
10 H 0.149      
11 H 0.142      
12 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.224 -4.035 0.000 4.217
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.058 0.109 0.000
y 0.109 -46.652 0.000
z 0.000 0.000 -42.421
Traceless
 xyz
x 13.478 0.109 0.000
y 0.109 -9.912 0.000
z 0.000 0.000 -3.566
Polar
3z2-r2-7.131
x2-y215.594
xy0.109
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.557 0.020 0.000
y 0.020 12.692 0.000
z 0.000 0.000 4.993


<r2> (average value of r2) Å2
<r2> 174.492
(<r2>)1/2 13.210