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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: B3LYPultrafine/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYPultrafine/6-31G**
 hartrees
Energy at 0K-270.584150
Energy at 298.15K-270.593726
HF Energy-270.584150
Nuclear repulsion energy234.678184
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 B3LYPultrafine/6-31G**
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 3119 2996 6.37      
2 A 3106 2985 22.07      
3 A 3047 2928 23.63      
4 A 3040 2921 4.77      
5 A 1845 1773 211.12      
6 A 1523 1463 0.74      
7 A 1463 1406 0.12      
8 A 1351 1298 0.66      
9 A 1313 1262 0.73      
10 A 1225 1177 0.01      
11 A 1178 1132 0.37      
12 A 1035 994 0.59      
13 A 966 928 0.14      
14 A 897 862 0.23      
15 A 811 779 1.03      
16 A 709 681 1.18      
17 A 565 543 5.01      
18 A 231 222 0.07      
19 B 3120 2997 29.09      
20 B 3111 2989 29.71      
21 B 3053 2934 39.59      
22 B 3039 2920 7.22      
23 B 1509 1450 3.69      
24 B 1463 1406 15.93      
25 B 1350 1297 4.78      
26 B 1303 1252 5.98      
27 B 1257 1208 1.63      
28 B 1169 1123 5.41      
29 B 1154 1109 75.52      
30 B 972 934 9.21      
31 B 927 891 0.90      
32 B 846 812 10.45      
33 B 585 562 2.76      
34 B 468 450 4.49      
35 B 449 431 3.65      
36 B 98 94 5.07      

Unscaled Zero Point Vibrational Energy (zpe) 26647.5 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 25602.9 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 B3LYPultrafine/6-31G**
ABC
0.21984 0.11098 0.07961

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.138
C2 0.000 0.000 0.927
C3 0.000 1.244 0.030
C4 0.000 -1.244 0.030
C5 0.298 0.714 -1.382
C6 -0.298 -0.714 -1.382
H7 -1.006 1.683 0.085
H8 1.006 -1.683 0.085
H9 0.697 1.997 0.407
H10 -0.697 -1.997 0.407
H11 -0.114 1.343 -2.176
H12 0.114 -1.343 -2.176
H13 1.382 0.662 -1.539
H14 -1.382 -0.662 -1.539

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.21102.44842.44843.60423.60422.83962.83962.73392.73394.51974.51973.98353.9835
C21.21101.53421.53422.43532.43532.13432.13432.17862.17863.38313.38312.90342.9034
C32.44841.53422.48841.53702.43221.09893.09581.09323.33692.21063.40142.17032.8288
C42.44841.53422.48842.43221.53703.09581.09893.33691.09323.40142.21062.82882.1703
C53.60422.43531.53702.43221.54742.18852.89782.23703.39701.09342.21241.09692.1773
C63.60422.43532.43221.53701.54742.89782.18853.39702.23702.21241.09342.17731.0969
H72.83962.13431.09893.09582.18852.89783.92161.76153.70732.45363.93943.06312.8763
H82.83962.13433.09581.09892.89782.18853.92163.70731.76153.93942.45362.87633.0631
H92.73392.17861.09323.33692.23703.39701.76153.70734.23092.78464.26202.45713.8958
H102.73392.17863.33691.09323.39702.23703.70731.76154.23094.26202.78463.89582.4571
H114.51973.38312.21063.40141.09342.21242.45363.93942.78464.26202.69531.76332.4561
H124.51973.38313.40142.21062.21241.09343.93942.45364.26202.78462.69532.45611.7633
H133.98352.90342.17032.82881.09692.17733.06312.87632.45713.89581.76332.45613.0651
H143.98352.90342.82882.17032.17731.09692.87633.06313.89582.45712.45611.76333.0651

picture of Cyclopentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 125.809 O1 C2 C4 125.809
C2 C3 C5 104.925 C2 C3 H7 107.141
C2 C3 H9 110.915 C2 C4 C6 104.925
C2 C4 H8 107.141 C2 C4 H10 110.915
C3 C2 C4 108.382 C3 C5 C6 104.101
C3 C5 H11 113.289 C3 C5 H13 109.844
C4 C6 C5 104.101 C4 C6 H12 113.289
C4 C6 H14 109.844 C5 C3 H7 111.167
C5 C3 H9 115.502 C5 C6 H12 112.681
C5 C6 H14 109.676 C6 C4 H8 111.167
C6 C4 H10 115.502 C6 C5 H11 112.681
C6 C5 H13 109.676 H7 C3 H9 106.943
H8 C4 H10 106.943 H11 C5 H13 107.230
H12 C6 H14 107.230
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.447      
2 C 0.416      
3 C -0.253      
4 C -0.253      
5 C -0.204      
6 C -0.204      
7 H 0.133      
8 H 0.133      
9 H 0.129      
10 H 0.129      
11 H 0.103      
12 H 0.103      
13 H 0.107      
14 H 0.107      


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 -2.905 2.905
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.833 -0.211 0.000
y -0.211 -34.654 0.000
z 0.000 0.000 -43.970
Traceless
 xyz
x 4.479 -0.211 0.000
y -0.211 4.747 0.000
z 0.000 0.000 -9.227
Polar
3z2-r2-18.453
x2-y2-0.179
xy-0.211
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.447 0.046 0.000
y 0.046 7.871 0.000
z 0.000 0.000 8.552


<r2> (average value of r2) Å2
<r2> 153.560
(<r2>)1/2 12.392