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All results from a given calculation for C5H10O (2-Butanone, 3-methyl-)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-271.654776
Energy at 298.15K-271.665055
Nuclear repulsion energy241.655740
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 BLYP/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 3084 3061 12.99      
2 A 3045 3022 25.39      
3 A 3037 3014 60.59      
4 A 3035 3011 38.68      
5 A 3031 3008 2.88      
6 A 3027 3004 7.11      
7 A 2983 2960 7.66      
8 A 2972 2950 11.40      
9 A 2968 2945 11.61      
10 A 2965 2942 23.90      
11 A 1720 1706 135.38      
12 A 1489 1477 12.23      
13 A 1482 1471 4.17      
14 A 1471 1459 2.21      
15 A 1468 1456 0.56      
16 A 1451 1440 7.06      
17 A 1440 1429 9.61      
18 A 1392 1381 1.09      
19 A 1369 1359 1.16      
20 A 1350 1340 29.67      
21 A 1314 1304 3.89      
22 A 1290 1281 1.55      
23 A 1205 1196 53.38      
24 A 1154 1145 2.23      
25 A 1087 1079 1.69      
26 A 1065 1057 21.60      
27 A 978 970 2.01      
28 A 941 934 0.44      
29 A 911 904 0.62      
30 A 902 895 29.33      
31 A 861 854 3.59      
32 A 686 681 4.91      
33 A 576 572 0.22      
34 A 504 500 5.71      
35 A 477 474 4.16      
36 A 324 321 1.20      
37 A 264 262 1.47      
38 A 243 242 0.30      
39 A 229 228 0.14      
40 A 204 202 0.31      
41 A 122 121 0.20      
42 A 39 39 2.64      

Unscaled Zero Point Vibrational Energy (zpe) 30076.7 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 29845.1 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 BLYP/6-31G**
ABC
0.14813 0.08836 0.07717

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.606 -0.887 -0.760
C2 0.836 -0.132 -0.169
H3 1.271 1.928 0.367
H4 2.420 0.724 1.025
H5 0.784 0.937 1.751
C6 1.362 0.922 0.812
H7 -0.803 -0.834 -1.308
C8 -0.693 -0.243 -0.383
H9 -0.953 1.701 -1.395
H10 -0.841 -2.038 0.891
H11 -1.335 1.741 0.346
H12 -1.239 -0.521 1.743
H13 -2.397 -1.222 0.590
H14 -2.462 0.977 -0.793
C15 -1.325 -1.055 0.782
C16 -1.394 1.126 -0.566

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10 H11 H12 H13 H14 C15 C16
O11.22973.05082.53893.21082.40962.47092.41673.69483.16784.09603.80674.23774.47483.31613.6178
C21.22972.17302.16092.19841.53362.11531.54732.84012.75032.91292.84773.49503.53502.53472.5908
H33.05082.17301.78961.77041.10363.83863.02192.84684.52362.61253.76704.84054.02353.97642.9358
H42.53892.16091.78961.80231.09764.27293.55074.26524.27533.94873.93095.21365.21614.15324.1523
H53.21082.19841.77041.80231.10223.87462.85113.67443.49742.66622.49374.01654.12503.05883.1857
C62.40961.53361.10361.09761.10223.50222.64723.29223.69042.85613.11634.33324.14773.33603.0880
H72.47092.11533.83864.27293.87463.50221.10292.54102.50703.10623.09762.50882.50912.16572.1768
C82.41671.54733.02193.55072.85112.64721.10292.20722.20622.20902.21282.19362.18781.55501.5484
H93.69482.84012.84684.26523.67443.29222.54102.20724.38411.78333.85603.81771.77873.53251.1019
H103.16782.75034.52364.27533.49743.69042.50702.20624.38413.84981.78491.78263.81511.10093.5263
H114.09602.91292.61253.94872.66622.85613.10622.20901.78333.84982.66033.15761.77622.83011.1021
H123.80672.84773.76703.93092.49373.11633.09762.21283.85601.78492.66031.77853.18991.10262.8400
H134.23773.49504.84055.21364.01654.33322.50882.19363.81771.78263.15761.77852.59921.10202.8025
H144.47483.53504.02355.21614.12504.14772.50912.18781.77873.81511.77623.18992.59922.81181.1019
C153.31612.53473.97644.15323.05883.33602.16571.55503.53251.10092.83011.10261.10202.81182.5646
C163.61782.59082.93584.15233.18573.08802.17681.54841.10193.52631.10212.84002.80251.10192.5646

picture of 2-Butanone, 3-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C6 120.992 O1 C2 C8 120.546
C2 C6 H3 109.896 C2 C6 H4 109.301
C2 C6 H5 111.998 C2 C8 H7 104.662
C2 C8 C15 109.576 C2 C8 C16 113.630
H3 C6 H4 108.781 H3 C6 H5 106.756
H4 C6 H5 110.036 C6 C2 C8 118.455
H7 C8 C15 107.924 H7 C8 C16 109.228
C8 C15 H10 111.183 C8 C15 H12 111.603
C8 C15 H13 110.126 C8 C16 H9 111.667
C8 C16 H11 111.808 C8 C16 H14 110.141
H9 C16 H11 108.017 H9 C16 H14 107.625
H10 C15 H12 108.194 H10 C15 H13 108.039
H11 C16 H14 107.392 H12 C15 H13 107.553
C15 C8 C16 111.459
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.418      
2 C 0.404      
3 H 0.122      
4 H 0.120      
5 H 0.109      
6 C -0.356      
7 H 0.094      
8 C -0.079      
9 H 0.098      
10 H 0.108      
11 H 0.094      
12 H 0.093      
13 H 0.099      
14 H 0.097      
15 C -0.291      
16 C -0.294      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.827 1.565 1.254 2.712
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.538 3.250 2.583
y 3.250 -38.536 -1.347
z 2.583 -1.347 -38.350
Traceless
 xyz
x -2.095 3.250 2.583
y 3.250 0.908 -1.347
z 2.583 -1.347 1.187
Polar
3z2-r22.374
x2-y2-2.002
xy3.250
xz2.583
yz-1.347


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


<r2> (average value of r2) Å2
<r2> 183.755
(<r2>)1/2 13.556