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

using model chemistry: B1B95/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/cc-pVDZ
 hartrees
Energy at 0K-271.651818
Energy at 298.15K-271.662513
Nuclear repulsion energy245.029093
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 B1B95/cc-pVDZ
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 3189 3065 7.46      
2 A 3149 3027 15.89      
3 A 3140 3018 12.22      
4 A 3137 3015 27.06      
5 A 3136 3014 35.16      
6 A 3131 3009 6.49      
7 A 3081 2962 4.97      
8 A 3061 2942 4.19      
9 A 3051 2932 15.75      
10 A 3049 2931 23.02      
11 A 1831 1760 172.23      
12 A 1491 1433 4.53      
13 A 1477 1419 25.40      
14 A 1470 1413 3.25      
15 A 1453 1397 1.56      
16 A 1443 1387 8.19      
17 A 1423 1367 11.40      
18 A 1397 1342 3.81      
19 A 1376 1322 3.65      
20 A 1361 1308 57.96      
21 A 1330 1279 1.32      
22 A 1314 1263 1.05      
23 A 1255 1206 36.29      
24 A 1175 1129 2.03      
25 A 1139 1095 0.32      
26 A 1080 1038 21.34      
27 A 1005 966 1.36      
28 A 961 924 2.11      
29 A 943 907 12.97      
30 A 926 890 2.00      
31 A 911 876 4.29      
32 A 733 705 5.46      
33 A 591 568 0.22      
34 A 528 507 6.98      
35 A 483 464 4.90      
36 A 331 318 3.44      
37 A 326 314 0.20      
38 A 276 265 0.21      
39 A 252 243 0.04      
40 A 207 199 0.16      
41 A 169 163 0.92      
42 A 57 55 2.75      

Unscaled Zero Point Vibrational Energy (zpe) 30916.1 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 29716.5 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 B1B95/cc-pVDZ
ABC
0.15220 0.09194 0.07942

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.589 -0.887 -0.724
C2 0.823 -0.133 -0.164
H3 1.207 1.921 0.321
H4 2.382 0.758 1.003
H5 0.740 0.947 1.718
C6 1.323 0.930 0.785
H7 -0.783 -0.835 -1.307
C8 -0.681 -0.245 -0.384
H9 -0.924 1.686 -1.378
H10 -0.815 -2.023 0.877
H11 -1.304 1.710 0.360
H12 -1.210 -0.507 1.723
H13 -2.369 -1.212 0.581
H14 -2.433 0.966 -0.785
C15 -1.299 -1.044 0.766
C16 -1.367 1.105 -0.557

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10 H11 H12 H13 H14 C15 C16
O11.21193.02042.51333.16962.37692.44252.38293.65543.10334.03573.73694.17994.42813.25303.5681
C21.21192.14482.14102.17121.50982.09231.52412.79912.70952.86272.79883.45113.49192.48942.5461
H33.02042.14481.78791.76551.10063.76892.95872.73574.46712.52013.70124.76143.92253.90722.8392
H42.51332.14101.78791.80041.09484.22913.50854.17824.23943.86073.87565.16055.14014.10484.0750
H53.16962.17121.76551.80041.09953.82672.80353.59223.45702.57042.43273.95284.04193.00463.1051
C62.37691.50981.10061.09481.09953.45312.60043.20953.64682.77303.05884.27294.07093.28123.0110
H72.44252.09233.76894.22913.82673.45311.09972.52642.48593.08653.07682.49402.49732.14602.1603
C82.38291.52412.95873.50852.80352.60041.09972.18612.18392.18292.18782.17152.16721.53031.5245
H93.65542.79912.73574.17823.59223.20952.52642.18614.34291.77953.80903.78531.77463.49191.0994
H103.10332.70954.46714.23943.45703.64682.48592.18394.34293.80091.78141.77823.78341.09843.4856
H114.03572.86272.52013.86072.57042.77303.08652.18291.77953.80092.60393.11811.77202.78371.1003
H123.73692.79883.70123.87562.43273.05883.07682.18783.80901.78142.60391.77343.15471.10072.7964
H134.17993.45114.76145.16053.95284.27292.49402.17153.78531.77823.11811.77342.57131.09932.7692
H144.42813.49193.92255.14014.04194.07092.49732.16721.77463.78341.77203.15472.57132.78031.0991
C153.25302.48943.90724.10483.00463.28122.14601.53033.49191.09842.78371.10071.09932.78032.5245
C163.56812.54612.83924.07503.10513.01102.16031.52451.09943.48561.10032.79642.76921.09912.5245

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 121.305 O1 C2 C8 120.707
C2 C6 H3 109.503 C2 C6 H4 109.541
C2 C6 H5 111.667 C2 C8 H7 104.607
C2 C8 C15 109.178 C2 C8 C16 113.263
H3 C6 H4 109.059 H3 C6 H5 106.732
H4 C6 H5 110.270 C6 C2 C8 117.982
H7 C8 C15 108.249 H7 C8 C16 109.759
C8 C15 H10 111.300 C8 C15 H12 111.468
C8 C15 H13 110.262 C8 C16 H9 111.826
C8 C16 H11 111.514 C8 C16 H14 110.331
H9 C16 H11 107.992 H9 C16 H14 107.636
H10 C15 H12 108.202 H10 C15 H13 108.023
H11 C16 H14 107.350 H12 C15 H13 107.435
C15 C8 C16 111.462
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.211      
2 C 0.036      
3 H 0.060      
4 H 0.050      
5 H 0.047      
6 C -0.026      
7 H 0.021      
8 C -0.161      
9 H 0.038      
10 H 0.044      
11 H 0.028      
12 H 0.028      
13 H 0.036      
14 H 0.035      
15 C -0.010      
16 C -0.015      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.842 1.583 1.187 2.703
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.424 3.263 2.514
y 3.263 -38.508 -1.280
z 2.514 -1.280 -38.181
Traceless
 xyz
x -2.080 3.263 2.514
y 3.263 0.794 -1.280
z 2.514 -1.280 1.286
Polar
3z2-r22.572
x2-y2-1.916
xy3.263
xz2.514
yz-1.280


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.252 -0.019 0.023
y -0.019 8.487 0.339
z 0.023 0.339 7.824


<r2> (average value of r2) Å2
<r2> 178.750
(<r2>)1/2 13.370