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All results from a given calculation for C5H8O (Cyclopentanone)

using model chemistry: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-270.444499
Energy at 298.15K-270.454136
HF Energy-270.444499
Nuclear repulsion energy235.626281
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 M06-2X/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 3167 2999 3.71      
2 A 3147 2980 15.18      
3 A 3091 2927 21.03      
4 A 3080 2917 4.09      
5 A 1912 1811 229.08      
6 A 1537 1456 1.15      
7 A 1481 1403 0.01      
8 A 1363 1291 0.34      
9 A 1326 1256 1.57      
10 A 1234 1168 0.01      
11 A 1195 1132 0.22      
12 A 1057 1001 0.58      
13 A 972 921 0.16      
14 A 923 874 0.31      
15 A 828 784 0.69      
16 A 725 687 0.79      
17 A 567 537 5.25      
18 A 241 228 0.05      
19 B 3167 2999 14.76      
20 B 3154 2986 25.77      
21 B 3095 2931 31.15      
22 B 3080 2917 4.55      
23 B 1521 1441 5.23      
24 B 1483 1404 18.85      
25 B 1359 1287 3.46      
26 B 1317 1247 10.93      
27 B 1272 1205 3.06      
28 B 1186 1123 55.25      
29 B 1178 1116 18.69      
30 B 991 939 9.79      
31 B 934 885 1.03      
32 B 857 812 8.90      
33 B 585 554 2.52      
34 B 477 451 6.24      
35 B 455 431 3.36      
36 B 105 99 4.95      

Unscaled Zero Point Vibrational Energy (zpe) 27030.3 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 25597.7 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 M06-2X/6-31G*
ABC
0.22111 0.11212 0.08054

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 2.126
C2 0.000 0.000 0.922
C3 0.000 1.241 0.028
C4 0.000 -1.241 0.028
C5 0.312 0.704 -1.372
C6 -0.312 -0.704 -1.372
H7 -1.009 1.672 0.068
H8 1.009 -1.672 0.068
H9 0.693 1.994 0.410
H10 -0.693 -1.994 0.410
H11 -0.074 1.338 -2.174
H12 0.074 -1.338 -2.174
H13 1.397 0.624 -1.507
H14 -1.397 -0.624 -1.507

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14
O11.20482.43832.43833.58263.58262.83702.83702.72072.72074.50454.50453.94273.9427
C21.20481.52981.52982.41992.41992.13112.13112.17232.17233.37333.37332.87072.8707
C32.43831.52982.48281.53172.41741.09803.08331.09233.33112.20523.39222.16532.7908
C42.43831.52982.48282.41741.53173.08331.09803.33111.09233.39222.20522.79082.1653
C53.58262.41991.53172.41741.54092.18122.86502.23323.38691.09242.20701.09642.1690
C63.58262.41992.41741.53171.54092.86502.18123.38692.23322.20701.09242.16901.0964
H72.83702.13111.09803.08332.18122.86503.90561.76573.69562.45253.90663.06122.8114
H82.83702.13113.08331.09802.86502.18123.90563.69561.76573.90662.45252.81143.0612
H92.72072.17231.09233.33112.23323.38691.76573.69564.22252.77464.26232.45983.8602
H102.72072.17233.33111.09233.38692.23323.69561.76574.22254.26232.77463.86022.4598
H114.50453.37332.20523.39221.09242.20702.45253.90662.77464.26232.68011.76612.4587
H124.50453.37333.39222.20522.20701.09243.90662.45254.26232.77462.68012.45871.7661
H133.94272.87072.16532.79081.09642.16903.06122.81142.45983.86021.76612.45873.0605
H143.94272.87072.79082.16532.16901.09642.81143.06123.86022.45982.45871.76613.0605

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 104.457 C2 C3 H7 107.238
C2 C3 H9 110.779 C2 C4 C6 104.457
C2 C4 H8 107.238 C2 C4 H10 110.779
C3 C2 C4 108.486 C3 C5 C6 103.772
C3 C5 H11 113.298 C3 C5 H13 109.855
C4 C6 C5 103.772 C4 C6 H12 113.298
C4 C6 H14 109.855 C5 C3 H7 111.008
C5 C3 H9 115.642 C5 C6 H12 112.775
C5 C6 H14 109.509 C6 C4 H8 111.008
C6 C4 H10 115.642 C6 C5 H11 112.775
C6 C5 H13 109.509 H7 C3 H9 107.441
H8 C4 H10 107.441 H11 C5 H13 107.583
H12 C6 H14 107.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.450      
2 C 0.438      
3 C -0.390      
4 C -0.390      
5 C -0.325      
6 C -0.325      
7 H 0.192      
8 H 0.192      
9 H 0.195      
10 H 0.195      
11 H 0.170      
12 H 0.170      
13 H 0.164      
14 H 0.164      


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 -2.917 2.917
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.921 -0.213 0.000
y -0.213 -34.791 0.000
z 0.000 0.000 -44.007
Traceless
 xyz
x 4.478 -0.213 0.000
y -0.213 4.673 0.000
z 0.000 0.000 -9.151
Polar
3z2-r2-18.302
x2-y2-0.129
xy-0.213
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.396 0.036 0.000
y 0.036 7.683 0.000
z 0.000 0.000 8.379


<r2> (average value of r2) Å2
<r2> 152.330
(<r2>)1/2 12.342