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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-270.533417
Energy at 298.15K-270.543042
HF Energy-270.533417
Nuclear repulsion energy232.943641
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 B3LYP/LANL2DZ
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 3133 3011 10.92      
2 A 3125 3003 20.47      
3 A 3062 2943 25.67      
4 A 3051 2933 16.26      
5 A 1714 1648 205.45      
6 A 1533 1474 4.58      
7 A 1480 1423 0.20      
8 A 1353 1300 0.36      
9 A 1321 1270 3.74      
10 A 1232 1185 0.01      
11 A 1185 1139 0.35      
12 A 1069 1028 1.28      
13 A 989 951 1.11      
14 A 906 871 1.46      
15 A 824 792 0.02      
16 A 729 701 1.10      
17 A 576 554 6.34      
18 A 224 215 0.01      
19 B 3142 3020 67.80      
20 B 3126 3005 26.36      
21 B 3062 2943 44.02      
22 B 3050 2932 13.49      
23 B 1524 1465 9.71      
24 B 1480 1423 36.59      
25 B 1361 1308 0.81      
26 B 1312 1261 4.28      
27 B 1271 1221 0.23      
28 B 1185 1139 32.87      
29 B 1179 1133 49.86      
30 B 989 951 24.58      
31 B 941 904 1.55      
32 B 857 824 14.40      
33 B 595 572 3.36      
34 B 469 451 2.12      
35 B 451 433 7.63      
36 B 106 102 6.85      

Unscaled Zero Point Vibrational Energy (zpe) 26801.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 25761.8 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 B3LYP/LANL2DZ
ABC
0.21762 0.10904 0.07830

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.166
C2 0.000 0.000 0.922
C3 0.000 1.250 0.030
C4 0.000 -1.250 0.030
C5 0.294 0.721 -1.394
C6 -0.294 -0.721 -1.394
H7 -1.000 1.706 0.088
H8 1.000 -1.706 0.088
H9 0.713 1.994 0.403
H10 -0.713 -1.994 0.403
H11 -0.142 1.350 -2.178
H12 0.142 -1.350 -2.178
H13 1.378 0.683 -1.565
H14 -1.378 -0.683 -1.565

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.24412.47462.47463.64383.64382.86842.86842.75512.75514.55104.55104.03564.0356
C21.24411.53541.53542.44302.44302.14602.14602.18002.18003.38393.38392.92412.9241
C32.47461.53542.50031.54732.44961.10073.12101.09543.34222.21523.41412.18332.8604
C42.47461.53542.50032.44961.54733.12101.10073.34221.09543.41412.21522.86042.1833
C53.64382.44301.54732.44961.55762.19992.92982.24143.40791.09542.21961.09862.1903
C63.64382.44302.44961.54731.55762.92982.19993.40792.24142.21961.09542.19031.0986
H72.86842.14601.10073.12102.19992.92983.95471.76553.72402.44933.97163.07192.9292
H82.86842.14603.12101.10072.92982.19993.95473.72401.76553.97162.44932.92923.0719
H92.75512.18001.09543.34222.24143.40791.76553.72404.23482.79434.26242.45683.9257
H102.75512.18003.34221.09543.40792.24143.72401.76554.23484.26242.79433.92572.4568
H114.55103.38392.21523.41411.09542.21962.44933.97162.79434.26242.71401.76942.4569
H124.55103.38393.41412.21522.21961.09543.97162.44934.26242.79432.71402.45691.7694
H134.03562.92412.18332.86041.09862.19033.07192.92922.45683.92571.76942.45693.0765
H144.03562.92412.86042.18332.19031.09862.92923.07193.92572.45682.45691.76943.0765

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.491 O1 C2 C4 125.491
C2 C3 C5 104.834 C2 C3 H7 107.849
C2 C3 H9 110.805 C2 C4 C6 104.834
C2 C4 H8 107.849 C2 C4 H10 110.805
C3 C2 C4 109.017 C3 C5 C6 104.177
C3 C5 H11 112.797 C3 C5 H13 110.055
C4 C6 C5 104.177 C4 C6 H12 112.797
C4 C6 H14 110.055 C5 C3 H7 111.235
C5 C3 H9 114.947 C5 C6 H12 112.408
C5 C6 H14 109.888 C6 C4 H8 111.235
C6 C4 H10 114.947 C6 C5 H11 112.408
C6 C5 H13 109.888 H7 C3 H9 107.012
H8 C4 H10 107.012 H11 C5 H13 107.509
H12 C6 H14 107.509
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.226      
2 C 0.162      
3 C -0.455      
4 C -0.455      
5 C -0.381      
6 C -0.381      
7 H 0.223      
8 H 0.223      
9 H 0.238      
10 H 0.238      
11 H 0.211      
12 H 0.211      
13 H 0.195      
14 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -3.545 3.545
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.774 -0.204 0.000
y -0.204 -34.474 0.000
z 0.000 0.000 -45.893
Traceless
 xyz
x 5.410 -0.204 0.000
y -0.204 5.859 0.000
z 0.000 0.000 -11.269
Polar
3z2-r2-22.538
x2-y2-0.299
xy-0.204
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.118 0.049 0.000
y 0.049 7.684 0.000
z 0.000 0.000 8.642


<r2> (average value of r2) Å2
<r2> 155.882
(<r2>)1/2 12.485