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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: PBE1PBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at PBE1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-270.293351
Energy at 298.15K-270.302988
HF Energy-270.293351
Nuclear repulsion energy235.742048
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 PBE1PBE/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 3145 3024 4.46      
2 A 3129 3009 19.94      
3 A 3064 2947 24.23      
4 A 3058 2941 3.28      
5 A 1841 1771 261.84      
6 A 1490 1433 2.28      
7 A 1427 1372 0.01      
8 A 1333 1282 0.20      
9 A 1295 1246 1.61      
10 A 1210 1164 0.14      
11 A 1176 1131 0.38      
12 A 1046 1006 0.83      
13 A 949 913 0.23      
14 A 920 885 0.45      
15 A 825 793 1.72      
16 A 712 684 0.58      
17 A 565 543 6.15      
18 A 232 223 0.13      
19 B 3146 3025 19.55      
20 B 3135 3015 28.23      
21 B 3069 2951 37.35      
22 B 3058 2940 4.67      
23 B 1473 1417 5.94      
24 B 1427 1372 22.83      
25 B 1329 1278 2.34      
26 B 1290 1241 15.96      
27 B 1248 1200 9.34      
28 B 1175 1129 53.49      
29 B 1154 1109 3.84      
30 B 982 944 9.38      
31 B 917 881 0.50      
32 B 846 813 9.13      
33 B 586 563 2.41      
34 B 474 456 7.39      
35 B 450 433 2.04      
36 B 105 101 5.37      

Unscaled Zero Point Vibrational Energy (zpe) 26639.2 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 25616.3 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 PBE1PBE/aug-cc-pVDZ
ABC
0.22232 0.11209 0.08058

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.127
C2 0.000 0.000 0.919
C3 0.000 1.235 0.029
C4 0.000 -1.235 0.029
C5 0.301 0.707 -1.373
C6 -0.301 -0.707 -1.373
H7 -1.014 1.665 0.083
H8 1.014 -1.665 0.083
H9 0.693 1.993 0.414
H10 -0.693 -1.993 0.414
H11 -0.104 1.340 -2.172
H12 0.104 -1.340 -2.172
H13 1.390 0.646 -1.524
H14 -1.390 -0.646 -1.524

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20882.43512.43513.58423.58422.82482.82482.71862.71864.50474.50473.96013.9601
C21.20881.52241.52242.41752.41752.12102.12102.16992.16993.37033.37032.88372.8837
C32.43511.52242.47091.52862.41481.10243.07321.09643.32462.20593.38962.16582.8077
C42.43511.52242.47092.41481.52863.07321.10243.32461.09643.38962.20592.80772.1658
C53.58422.41751.52862.41481.53732.18382.87362.23623.38731.09692.20641.10042.1710
C63.58422.41752.41481.52861.53732.87362.18383.38732.23622.20641.09692.17101.1004
H72.82482.12101.10243.07322.18382.87363.89911.76873.68752.45323.92033.06572.8402
H82.82482.12103.07321.10242.87362.18383.89913.68751.76873.92032.45322.84023.0657
H92.71862.16991.09643.32462.23623.38731.76873.68754.22052.78324.25952.46083.8803
H102.71862.16993.32461.09643.38732.23623.68751.76874.22054.25952.78323.88032.4608
H114.50473.37032.20593.38961.09692.20642.45323.92032.78324.25952.68861.77022.4529
H124.50473.37033.38962.20592.20641.09693.92032.45324.25952.78322.68862.45291.7702
H133.96012.88372.16582.80771.10042.17103.06572.84022.46083.88031.77022.45293.0649
H143.96012.88372.80772.16582.17101.10042.84023.06573.88032.46082.45291.77023.0649

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.757 O1 C2 C4 125.757
C2 C3 C5 104.812 C2 C3 H7 106.718
C2 C3 H9 110.858 C2 C4 C6 104.812
C2 C4 H8 106.718 C2 C4 H10 110.858
C3 C2 C4 108.485 C3 C5 C6 103.926
C3 C5 H11 113.300 C3 C5 H13 109.869
C4 C6 C5 103.926 C4 C6 H12 113.300
C4 C6 H14 109.869 C5 C3 H7 111.169
C5 C3 H9 115.858 C5 C6 H12 112.705
C5 C6 H14 109.669 C6 C4 H8 111.169
C6 C4 H10 115.858 C6 C5 H11 112.705
C6 C5 H13 109.669 H7 C3 H9 107.107
H8 C4 H10 107.107 H11 C5 H13 107.347
H12 C6 H14 107.347
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.647      
2 C 0.250      
3 C 0.378      
4 C 0.378      
5 C 0.658      
6 C 0.658      
7 H -0.124      
8 H -0.124      
9 H -0.194      
10 H -0.194      
11 H -0.213      
12 H -0.213      
13 H -0.306      
14 H -0.306      


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 -3.262 3.262
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.194 -0.202 0.000
y -0.202 -35.190 0.000
z 0.000 0.000 -45.283
Traceless
 xyz
x 5.042 -0.202 0.000
y -0.202 5.049 0.000
z 0.000 0.000 -10.090
Polar
3z2-r2-20.181
x2-y2-0.004
xy-0.202
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.480 0.094 0.000
y 0.094 9.413 0.000
z 0.000 0.000 10.160


<r2> (average value of r2) Å2
<r2> 152.659
(<r2>)1/2 12.356