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All results from a given calculation for C5H10O (3-Pentanone)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-50.186830
Energy at 298.15K 
HF Energy-50.186830
Nuclear repulsion energy131.964213
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 B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3089 3010 55.42      
2 A1 3004 2927 0.43      
3 A1 2982 2906 45.72      
4 A1 1660 1618 84.71      
5 A1 1520 1482 11.85      
6 A1 1491 1453 29.39      
7 A1 1436 1399 12.23      
8 A1 1358 1324 7.75      
9 A1 1116 1087 3.51      
10 A1 1025 998 4.53      
11 A1 774 754 1.19      
12 A1 400 389 0.44      
13 A1 191 186 0.89      
14 A2 3099 3020 0.00      
15 A2 3008 2931 0.00      
16 A2 1511 1473 0.00      
17 A2 1261 1229 0.00      
18 A2 1020 994 0.00      
19 A2 733 714 0.00      
20 A2 186 181 0.00      
21 A2 32i 31i 0.00      
22 B1 3100 3021 83.84      
23 B1 3021 2944 35.08      
24 B1 1512 1473 17.19      
25 B1 1304 1271 1.48      
26 B1 1149 1120 0.34      
27 B1 824 803 12.73      
28 B1 464 452 0.10      
29 B1 166 161 0.32      
30 B1 60 58 0.34      
31 B2 3088 3010 23.34      
32 B2 3003 2926 64.61      
33 B2 2972 2896 20.43      
34 B2 1520 1481 10.89      
35 B2 1483 1445 1.62      
36 B2 1437 1400 8.05      
37 B2 1381 1346 26.67      
38 B2 1145 1116 60.32      
39 B2 1036 1010 1.76      
40 B2 957 933 22.53      
41 B2 613 597 4.63      
42 B2 302 294 13.05      

Unscaled Zero Point Vibrational Energy (zpe) 30682.6 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 29900.2 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 B3LYP/CEP-121G
ABC
0.28741 0.06321 0.05388

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.316
C2 0.000 0.000 0.058
C3 0.000 1.313 -0.746
C4 0.000 -1.313 -0.746
C5 0.000 2.584 0.133
C6 0.000 -2.584 0.133
H7 0.877 1.300 -1.415
H8 -0.877 1.300 -1.415
H9 -0.877 -1.300 -1.415
H10 0.877 -1.300 -1.415
H11 0.000 3.485 -0.495
H12 -0.882 2.611 0.783
H13 0.882 2.611 0.783
H14 0.000 -3.485 -0.495
H15 0.882 -2.611 0.783
H16 -0.882 -2.611 0.783

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.25742.44492.44492.84202.84203.14883.14883.14883.14883.92702.80672.80673.92702.80672.8067
C21.25741.54031.54032.58532.58532.15172.15172.15172.15173.52842.84932.84933.52842.84932.8493
C32.44491.54032.62681.54543.99551.10251.10252.83672.83672.18582.19082.19084.80474.30284.3028
C42.44491.54032.62683.99551.54542.83672.83671.10251.10254.80474.30284.30282.18582.19082.1908
C52.84202.58531.54543.99555.16842.19372.19374.27244.27241.09781.09611.09616.10135.30915.3091
C62.84202.58533.99551.54545.16844.27244.27242.19372.19376.10135.30915.30911.09781.09611.0961
H73.14882.15171.10252.83672.19374.27241.75353.13662.60072.52713.10482.55854.95094.48614.8186
H83.14882.15171.10252.83672.19374.27241.75352.60073.13662.52712.55853.10484.95094.81864.4861
H93.14882.15172.83671.10254.27242.19373.13662.60071.75354.95094.48614.81862.52713.10482.5585
H103.14882.15172.83671.10254.27242.19372.60073.13661.75354.95094.81864.48612.52712.55853.1048
H113.92703.52842.18584.80471.09786.10132.52712.52714.95094.95091.78181.78186.96946.28996.2899
H122.80672.84932.19084.30281.09615.30913.10482.55854.48614.81861.78181.76456.28995.51135.2212
H132.80672.84932.19084.30281.09615.30912.55853.10484.81864.48611.78181.76456.28995.22125.5113
H143.92703.52844.80472.18586.10131.09784.95094.95092.52712.52716.96946.28996.28991.78181.7818
H152.80672.84934.30282.19085.30911.09614.48614.81863.10482.55856.28995.51135.22121.78181.7645
H162.80672.84934.30282.19085.30911.09614.81864.48612.55853.10486.28995.22125.51131.78181.7645

picture of 3-Pentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 121.497 O1 C2 C4 121.497
C2 C3 C5 113.822 C2 C3 H7 107.857
C2 C3 H8 107.857 C2 C4 C6 113.822
C2 C4 H9 107.857 C2 C4 H10 107.857
C3 C2 C4 117.006 C3 C5 H11 110.436
C3 C5 H12 110.927 C3 C5 H13 110.927
C4 C6 H14 110.436 C4 C6 H15 110.927
C4 C6 H16 110.927 C5 C3 H7 110.774
C5 C3 H8 110.774 C6 C4 H9 110.774
C6 C4 H10 110.774 H7 C3 H8 105.348
H9 C4 H10 105.348 H11 C5 H12 108.622
H11 C5 H13 108.622 H12 C5 H13 107.203
H14 C6 H15 108.622 H14 C6 H16 108.622
H15 C6 H16 107.203
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.161      
2 C 0.125      
3 C -0.297      
4 C -0.297      
5 C -0.461      
6 C -0.461      
7 H 0.157      
8 H 0.157      
9 H 0.157      
10 H 0.157      
11 H 0.144      
12 H 0.160      
13 H 0.160      
14 H 0.144      
15 H 0.160      
16 H 0.160      


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 -3.114 3.114
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.386 0.000 0.000
y 0.000 -36.968 0.000
z 0.000 0.000 -42.339
Traceless
 xyz
x 2.268 0.000 0.000
y 0.000 2.894 0.000
z 0.000 0.000 -5.162
Polar
3z2-r2-10.325
x2-y2-0.418
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.379 0.000 0.000
y 0.000 10.159 0.000
z 0.000 0.000 9.236


<r2> (average value of r2) Å2
<r2> 181.963
(<r2>)1/2 13.489