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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

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-pVTZ
 hartrees
Energy at 0K-270.326894
Energy at 298.15K-270.336346
HF Energy-270.326894
Nuclear repulsion energy234.683027
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-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 3038 3004 5.64      
2 A 3025 2991 21.08      
3 A 2967 2933 23.22      
4 A 2957 2924 2.90      
5 A 1747 1727 246.10      
6 A 1454 1438 2.15      
7 A 1392 1377 0.09      
8 A 1289 1274 0.29      
9 A 1256 1242 2.31      
10 A 1176 1163 0.34      
11 A 1131 1118 0.16      
12 A 1011 1000 0.80      
13 A 924 914 0.24      
14 A 881 872 0.46      
15 A 788 780 2.89      
16 A 685 677 1.40      
17 A 549 542 5.72      
18 A 223 221 0.16      
19 B 3038 3004 18.00      
20 B 3030 2996 26.39      
21 B 2973 2940 37.45      
22 B 2957 2924 3.93      
23 B 1442 1426 5.03      
24 B 1391 1375 21.59      
25 B 1292 1277 2.39      
26 B 1248 1235 4.95      
27 B 1208 1194 4.10      
28 B 1123 1110 8.47      
29 B 1111 1098 66.85      
30 B 949 938 10.19      
31 B 891 881 0.45      
32 B 815 806 11.99      
33 B 569 563 2.38      
34 B 457 452 4.25      
35 B 435 430 2.04      
36 B 96 95 4.94      

Unscaled Zero Point Vibrational Energy (zpe) 25758.5 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 25470.0 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-pVTZ
ABC
0.22066 0.11084 0.07968

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.141
C2 0.000 0.000 0.926
C3 0.000 1.240 0.028
C4 0.000 -1.240 0.028
C5 0.298 0.713 -1.381
C6 -0.298 -0.713 -1.381
H7 -1.013 1.674 0.085
H8 1.013 -1.674 0.085
H9 0.693 2.000 0.411
H10 -0.693 -2.000 0.411
H11 -0.115 1.344 -2.178
H12 0.115 -1.344 -2.178
H13 1.387 0.659 -1.538
H14 -1.387 -0.659 -1.538

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.21562.45062.45063.60623.60622.83872.83872.73412.73414.52544.52543.98693.9869
C21.21561.53111.53112.43282.43282.12982.12982.17842.17843.38453.38452.90322.9032
C32.45061.53112.48001.53362.42621.10393.08551.09743.33542.21153.39942.17082.8252
C42.45061.53112.48002.42621.53363.08551.10393.33541.09743.39942.21152.82522.1708
C53.60622.43281.53362.42621.54512.18942.89062.24143.39881.09752.21321.10132.1787
C63.60622.43282.42621.53361.54512.89062.18943.39882.24142.21321.09752.17871.1013
H72.83872.12981.10393.08552.18942.89063.91341.76743.70222.45743.93713.07002.8663
H82.83872.12983.08551.10392.89062.18943.91343.70221.76743.93712.45742.86633.0700
H92.73412.17841.09743.33542.24143.39881.76743.70224.23332.79044.26852.46533.8980
H102.73412.17843.33541.09743.39882.24143.70221.76744.23334.26852.79043.89802.4653
H114.52543.38452.21153.39941.09752.21322.45743.93712.79044.26852.69741.77032.4579
H124.52543.38453.39942.21152.21321.09753.93712.45744.26852.79042.69742.45791.7703
H133.98692.90322.17082.82521.10132.17873.07002.86632.46533.89801.77032.45793.0714
H143.98692.90322.82522.17082.17871.10132.86633.07003.89802.46532.45791.77033.0714

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.915 O1 C2 C4 125.915
C2 C3 C5 105.092 C2 C3 H7 106.733
C2 C3 H9 110.864 C2 C4 C6 105.092
C2 C4 H8 106.733 C2 C4 H10 110.864
C3 C2 C4 108.170 C3 C5 C6 104.011
C3 C5 H11 113.353 C3 C5 H13 109.863
C4 C6 C5 104.011 C4 C6 H12 113.353
C4 C6 H14 109.863 C5 C3 H7 111.176
C5 C3 H9 115.857 C5 C6 H12 112.658
C5 C6 H14 109.690 C6 C4 H8 111.176
C6 C4 H10 115.857 C6 C5 H11 112.658
C6 C5 H13 109.690 H7 C3 H9 106.814
H8 C4 H10 106.814 H11 C5 H13 107.244
H12 C6 H14 107.244
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.694      
2 C 0.558      
3 C -0.296      
4 C -0.296      
5 C -0.297      
6 C -0.297      
7 H 0.148      
8 H 0.148      
9 H 0.196      
10 H 0.196      
11 H 0.185      
12 H 0.185      
13 H 0.132      
14 H 0.132      


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 -3.141 3.141
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.543 -0.209 0.000
y -0.209 -35.528 0.000
z 0.000 0.000 -45.283
Traceless
 xyz
x 4.862 -0.209 0.000
y -0.209 4.885 0.000
z 0.000 0.000 -9.747
Polar
3z2-r2-19.494
x2-y2-0.015
xy-0.209
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.806 0.095 0.000
y 0.095 10.023 0.000
z 0.000 0.000 10.679


<r2> (average value of r2) Å2
<r2> 154.110
(<r2>)1/2 12.414