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

using model chemistry: wB97X-D/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-271.795484
Energy at 298.15K-271.806369
HF Energy-271.795484
Nuclear repulsion energy245.519826
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 wB97X-D/cc-pVTZ
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 3175 3036 9.18      
2 A 3135 2997 19.68      
3 A 3130 2993 34.35      
4 A 3129 2991 49.96      
5 A 3125 2988 0.32      
6 A 3121 2984 9.65      
7 A 3091 2955 2.05      
8 A 3059 2924 5.84      
9 A 3052 2918 14.05      
10 A 3050 2916 23.90      
11 A 1830 1750 191.65      
12 A 1527 1460 19.95      
13 A 1521 1454 6.32      
14 A 1510 1444 3.75      
15 A 1501 1435 3.18      
16 A 1487 1421 8.85      
17 A 1475 1410 13.80      
18 A 1438 1375 3.18      
19 A 1414 1352 6.52      
20 A 1404 1343 44.78      
21 A 1355 1295 1.38      
22 A 1344 1285 1.13      
23 A 1272 1216 43.87      
24 A 1198 1146 2.01      
25 A 1145 1095 1.32      
26 A 1110 1062 18.87      
27 A 1030 984 1.82      
28 A 990 946 0.73      
29 A 958 916 19.01      
30 A 947 906 1.64      
31 A 909 869 4.08      
32 A 735 702 4.36      
33 A 615 588 0.44      
34 A 534 511 7.18      
35 A 507 485 5.04      
36 A 343 328 1.50      
37 A 304 291 1.93      
38 A 287 274 0.27      
39 A 269 257 0.18      
40 A 231 221 0.54      
41 A 191 183 0.05      
42 A 60 57 3.78      

Unscaled Zero Point Vibrational Energy (zpe) 31252.5 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 29877.4 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 wB97X-D/cc-pVTZ
ABC
0.15260 0.09193 0.07972

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.582 -0.867 -0.745
C2 0.819 -0.129 -0.168
H3 1.239 1.897 0.354
H4 2.377 0.712 1.022
H5 0.746 0.913 1.723
C6 1.331 0.907 0.802
H7 -0.794 -0.821 -1.303
C8 -0.682 -0.243 -0.385
H9 -0.921 1.691 -1.362
H10 -0.822 -2.019 0.868
H11 -1.311 1.704 0.362
H12 -1.203 -0.514 1.716
H13 -2.362 -1.203 0.582
H14 -2.422 0.967 -0.786
C15 -1.299 -1.044 0.766
C16 -1.367 1.112 -0.552

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10 H11 H12 H13 H14 C15 C16
O11.20832.99492.49953.15562.36732.44132.37593.63203.11584.02583.73344.17464.40463.25833.5569
C21.20832.13482.13362.16061.50912.08951.52022.78632.70872.85962.79063.43953.47632.48922.5425
H32.99492.13481.77371.75621.09123.77732.96952.76674.45522.55763.69274.75693.94563.90712.8690
H42.49952.13361.77371.78581.08644.21993.49934.18554.20843.87533.84705.12925.13424.08154.0809
H53.15562.16061.75621.78581.09023.81222.79603.59143.43312.58992.41633.92894.04132.98823.1114
C62.36731.50911.09121.08641.09023.45402.60403.22013.63272.79423.04544.25804.07523.27453.0256
H72.44132.08953.77734.21993.81223.45401.09052.51542.47963.06813.06172.48132.47272.14172.1508
C82.37591.52022.96953.49932.79602.60401.09052.17972.17762.17812.18142.16282.15731.53241.5274
H93.63202.78632.76674.18553.59143.22012.51542.17974.32911.76773.79653.77161.76263.48601.0904
H103.11582.70874.45524.20843.43313.63272.47962.17764.32913.78821.76831.76553.76971.08953.4804
H114.02582.85962.55763.87532.58992.79423.06812.17811.76773.78822.60063.09821.75922.77751.0911
H123.73342.79063.69273.84702.41633.04543.06172.18143.79651.76832.60061.76093.15261.09152.7956
H134.17463.43954.75695.12923.92894.25802.48132.16283.77161.76553.09821.76092.56601.09002.7628
H144.40463.47633.94565.13424.04134.07522.47272.15731.76263.76971.75923.15262.56602.77791.0900
C153.25832.48923.90714.08152.98823.27452.14171.53243.48601.08952.77751.09151.09002.77792.5282
C163.55692.54252.86904.08093.11143.02562.15081.52741.09043.48041.09112.79562.76281.09002.5282

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 120.782 O1 C2 C8 120.666
C2 C6 H3 109.305 C2 C6 H4 109.495
C2 C6 H5 111.429 C2 C8 H7 105.135
C2 C8 C15 109.257 C2 C8 C16 113.075
H3 C6 H4 109.075 H3 C6 H5 107.228
H4 C6 H5 110.252 C6 C2 C8 118.540
H7 C8 C15 108.301 H7 C8 C16 109.353
C8 C15 H10 111.183 C8 C15 H12 111.364
C8 C15 H13 109.980 C8 C16 H9 111.656
C8 C16 H11 111.490 C8 C16 H14 109.888
H9 C16 H11 108.256 H9 C16 H14 107.870
H10 C15 H12 108.341 H10 C15 H13 108.204
H11 C16 H14 107.521 H12 C15 H13 107.644
C15 C8 C16 111.434
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.278      
2 C 0.213      
3 H 0.099      
4 H 0.113      
5 H 0.100      
6 C -0.290      
7 H 0.110      
8 C -0.069      
9 H 0.109      
10 H 0.109      
11 H 0.091      
12 H 0.090      
13 H 0.098      
14 H 0.102      
15 C -0.291      
16 C -0.307      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.006 1.698 1.306 2.935
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.908 3.577 2.876
y 3.577 -38.846 -1.382
z 2.876 -1.382 -38.418
Traceless
 xyz
x -2.276 3.577 2.876
y 3.577 0.816 -1.382
z 2.876 -1.382 1.459
Polar
3z2-r22.919
x2-y2-2.061
xy3.577
xz2.876
yz-1.382


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.861 -0.062 -0.030
y -0.062 9.080 0.318
z -0.030 0.318 8.426


<r2> (average value of r2) Å2
<r2> 178.524
(<r2>)1/2 13.361