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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: TPSSh/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 TPSSh/cc-pVDZ
 hartrees
Energy at 0K-270.608516
Energy at 298.15K-270.618088
HF Energy-270.608516
Nuclear repulsion energy234.649328
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 TPSSh/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 3108 3022 5.32      
2 A 3092 3006 28.40      
3 A 3031 2947 24.13      
4 A 3023 2940 5.67      
5 A 1817 1767 217.44      
6 A 1496 1454 0.71      
7 A 1433 1393 0.18      
8 A 1337 1300 1.20      
9 A 1297 1261 0.22      
10 A 1213 1179 0.05      
11 A 1166 1134 0.57      
12 A 1037 1009 0.69      
13 A 950 924 0.08      
14 A 904 879 0.24      
15 A 809 787 1.36      
16 A 703 684 0.71      
17 A 552 537 5.07      
18 A 237 230 0.15      
19 B 3108 3022 27.54      
20 B 3096 3011 38.68      
21 B 3035 2951 44.88      
22 B 3023 2939 9.35      
23 B 1480 1439 3.33      
24 B 1434 1394 16.21      
25 B 1334 1297 6.10      
26 B 1289 1253 7.19      
27 B 1242 1207 4.08      
28 B 1153 1122 36.67      
29 B 1147 1115 38.28      
30 B 972 945 8.70      
31 B 912 887 0.41      
32 B 840 817 10.77      
33 B 573 557 2.31      
34 B 464 452 4.94      
35 B 442 430 2.44      
36 B 102 99 4.40      

Unscaled Zero Point Vibrational Energy (zpe) 26424.2 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 25694.9 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 TPSSh/cc-pVDZ
ABC
0.22020 0.11095 0.07986

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.139
C2 0.000 0.000 0.926
C3 0.000 1.242 0.026
C4 0.000 -1.242 0.026
C5 0.312 0.707 -1.378
C6 -0.312 -0.707 -1.378
H7 -1.019 1.669 0.069
H8 1.019 -1.669 0.069
H9 0.687 2.010 0.410
H10 -0.687 -2.010 0.410
H11 -0.077 1.345 -2.186
H12 0.077 -1.345 -2.186
H13 1.404 0.629 -1.516
H14 -1.404 -0.629 -1.516

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.21362.45122.45123.60153.60152.84802.84802.73932.73934.53014.53013.96593.9659
C21.21361.53351.53352.43012.43012.13502.13502.18582.18583.39063.39062.88612.8861
C32.45121.53352.48361.53482.42191.10603.08421.09973.34542.21553.40422.17362.8019
C42.45121.53352.48362.42191.53483.08421.10603.34541.09973.40422.21552.80192.1736
C53.60152.43011.53482.42191.54462.18892.87022.24403.40191.10012.21711.10422.1791
C63.60152.43012.42191.53481.54462.87022.18893.40192.24402.21711.10012.17911.1042
H72.84802.13501.10603.08422.18892.87023.91091.77353.70902.46503.92013.07672.8179
H82.84802.13503.08421.10602.87022.18893.91093.70901.77353.92012.46502.81793.0767
H92.73932.18581.09973.34542.24403.40191.77353.70904.24792.78614.28492.47513.8790
H102.73932.18583.34541.09973.40192.24403.70901.77354.24794.28492.78613.87902.4751
H114.53013.39062.21553.40421.10012.21712.46503.92012.78614.28492.69401.77652.4714
H124.53013.39063.40422.21552.21711.10013.92012.46504.28492.78612.69402.47141.7765
H133.96592.88612.17362.80191.10422.17913.07672.81792.47513.87901.77652.47143.0780
H143.96592.88612.80192.17362.17911.10422.81793.07673.87902.47512.47141.77653.0780

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.927 O1 C2 C4 125.927
C2 C3 C5 104.747 C2 C3 H7 106.850
C2 C3 H9 111.147 C2 C4 C6 104.747
C2 C4 H8 106.850 C2 C4 H10 111.147
C3 C2 C4 108.146 C3 C5 C6 103.718
C3 C5 H11 113.429 C3 C5 H13 109.826
C4 C6 C5 103.718 C4 C6 H12 113.429
C4 C6 H14 109.826 C5 C3 H7 110.924
C5 C3 H9 115.832 C5 C6 H12 112.842
C5 C6 H14 109.584 C6 C4 H8 110.924
C6 C4 H10 115.832 C6 C5 H11 112.842
C6 C5 H13 109.584 H7 C3 H9 107.042
H8 C4 H10 107.042 H11 C5 H13 107.400
H12 C6 H14 107.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.226      
2 C 0.051      
3 C -0.025      
4 C -0.025      
5 C -0.056      
6 C -0.056      
7 H 0.060      
8 H 0.060      
9 H 0.046      
10 H 0.046      
11 H 0.026      
12 H 0.026      
13 H 0.036      
14 H 0.036      


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 -2.770 2.770
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 6.726 0.078 0.000
y 0.078 8.396 0.000
z 0.000 0.000 8.920


<r2> (average value of r2) Å2
<r2> 153.434
(<r2>)1/2 12.387