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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-270.263111
Energy at 298.15K-270.272538
HF Energy-270.263111
Nuclear repulsion energy233.862053
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 PBEPBEultrafine/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 3053 3035 6.12      
2 A 3040 3022 19.97      
3 A 2979 2961 24.86      
4 A 2969 2951 4.99      
5 A 1744 1733 240.70      
6 A 1440 1432 2.11      
7 A 1378 1369 0.10      
8 A 1279 1271 0.47      
9 A 1242 1234 1.80      
10 A 1165 1158 0.30      
11 A 1123 1116 0.14      
12 A 1010 1004 0.86      
13 A 915 909 0.30      
14 A 884 879 0.43      
15 A 790 785 2.60      
16 A 683 679 1.01      
17 A 547 544 5.79      
18 A 220 219 0.16      
19 B 3055 3036 22.57      
20 B 3046 3028 27.02      
21 B 2984 2966 38.60      
22 B 2969 2951 5.40      
23 B 1425 1417 5.02      
24 B 1377 1369 21.39      
25 B 1276 1268 2.78      
26 B 1236 1229 8.03      
27 B 1195 1188 9.11      
28 B 1119 1112 53.44      
29 B 1107 1101 13.26      
30 B 947 942 9.97      
31 B 884 878 0.35      
32 B 812 807 10.37      
33 B 568 565 2.13      
34 B 455 452 5.13      
35 B 432 430 1.67      
36 B 95 95 4.97      

Unscaled Zero Point Vibrational Energy (zpe) 25722.4 cm-1
Scaled (by 0.9939) Zero Point Vibrational Energy (zpe) 25565.5 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 PBEPBEultrafine/aug-cc-pVDZ
ABC
0.21917 0.11017 0.07920

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.148
C2 0.000 0.000 0.926
C3 0.000 1.244 0.028
C4 0.000 -1.244 0.028
C5 0.298 0.715 -1.385
C6 -0.298 -0.715 -1.385
H7 -1.019 1.681 0.087
H8 1.019 -1.681 0.087
H9 0.699 2.006 0.415
H10 -0.699 -2.006 0.415
H11 -0.120 1.349 -2.187
H12 0.120 -1.349 -2.187
H13 1.393 0.663 -1.544
H14 -1.393 -0.663 -1.544

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.22252.45822.45823.61703.61702.84842.84842.74192.74194.54164.54164.00144.0014
C21.22251.53411.53412.43702.43702.13742.13742.18502.18503.39433.39432.91192.9119
C32.45821.53412.48801.53812.43351.11043.09841.10423.34682.22063.41202.17962.8367
C42.45821.53412.48802.43351.53813.09841.11043.34681.10423.41202.22062.83672.1796
C53.61702.43701.53812.43351.54882.19922.90322.25113.41121.10462.22081.10802.1872
C63.61702.43702.43351.53811.54882.90322.19923.41122.25112.22081.10462.18721.1080
H72.84842.13741.11043.09842.19922.90323.93221.77903.71582.46773.95613.08512.8800
H82.84842.13743.09841.11042.90322.19923.93223.71581.77903.95612.46772.88003.0851
H92.74192.18501.10423.34682.25113.41121.77903.71584.24892.80584.28452.47453.9162
H102.74192.18503.34681.10423.41122.25113.71581.77904.24894.28452.80583.91622.4745
H114.54163.39432.22063.41201.10462.22082.46773.95612.80584.28452.70801.78212.4655
H124.54163.39433.41202.22062.22081.10463.95612.46774.28452.80582.70802.46551.7821
H134.00142.91192.17962.83671.10802.18723.08512.88002.47453.91621.78212.46553.0859
H144.00142.91192.83672.17962.18721.10802.88003.08513.91622.47452.46551.78213.0859

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.814 O1 C2 C4 125.814
C2 C3 C5 104.983 C2 C3 H7 106.756
C2 C3 H9 110.776 C2 C4 C6 104.983
C2 C4 H8 106.756 C2 C4 H10 110.776
C3 C2 C4 108.371 C3 C5 C6 104.060
C3 C5 H11 113.326 C3 C5 H13 109.849
C4 C6 C5 104.060 C4 C6 H12 113.326
C4 C6 H14 109.849 C5 C3 H7 111.249
C5 C3 H9 115.881 C5 C6 H12 112.565
C5 C6 H14 109.705 C6 C4 H8 111.249
C6 C4 H10 115.881 C6 C5 H11 112.565
C6 C5 H13 109.705 H7 C3 H9 106.887
H8 C4 H10 106.887 H11 C5 H13 107.315
H12 C6 H14 107.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.589      
2 C 0.224      
3 C 0.569      
4 C 0.569      
5 C 0.841      
6 C 0.841      
7 H -0.221      
8 H -0.221      
9 H -0.293      
10 H -0.293      
11 H -0.311      
12 H -0.311      
13 H -0.404      
14 H -0.404      


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 -3.171 3.171
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.613 -0.209 0.000
y -0.209 -35.664 0.000
z 0.000 0.000 -45.537
Traceless
 xyz
x 4.987 -0.209 0.000
y -0.209 4.911 0.000
z 0.000 0.000 -9.898
Polar
3z2-r2-19.797
x2-y20.050
xy-0.209
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.838 0.092 0.000
y 0.092 10.096 0.000
z 0.000 0.000 10.779


<r2> (average value of r2) Å2
<r2> 155.049
(<r2>)1/2 12.452