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

using model chemistry: LSDA/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 LSDA/6-31G**
 hartrees
Energy at 0K-270.320307
Energy at 298.15K-270.330667
Nuclear repulsion energy246.281690
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 LSDA/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 3123 3064 3.07      
2 A 3085 3027 8.31      
3 A 3074 3016 13.36      
4 A 3066 3009 23.85      
5 A 3061 3003 10.95      
6 A 3059 3002 3.11      
7 A 3005 2949 5.57      
8 A 2985 2929 1.42      
9 A 2980 2925 13.28      
10 A 2977 2922 14.08      
11 A 1803 1770 145.30      
12 A 1454 1427 29.31      
13 A 1444 1417 12.59      
14 A 1429 1402 4.40      
15 A 1426 1399 1.26      
16 A 1405 1378 12.85      
17 A 1389 1363 11.64      
18 A 1355 1330 12.97      
19 A 1336 1311 24.99      
20 A 1326 1301 76.45      
21 A 1292 1268 0.81      
22 A 1272 1248 2.76      
23 A 1223 1200 21.98      
24 A 1149 1127 0.66      
25 A 1119 1098 0.73      
26 A 1048 1029 25.68      
27 A 982 963 1.55      
28 A 930 913 2.49      
29 A 915 898 7.47      
30 A 901 884 9.32      
31 A 887 871 2.30      
32 A 731 717 7.28      
33 A 572 561 0.36      
34 A 514 505 8.78      
35 A 465 456 2.89      
36 A 324 318 1.50      
37 A 279 274 1.72      
38 A 255 250 0.16      
39 A 232 227 0.14      
40 A 207 203 0.47      
41 A 140 138 0.69      
42 A 40 39 2.93      

Unscaled Zero Point Vibrational Energy (zpe) 30127.2 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 29563.8 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 LSDA/6-31G**
ABC
0.15363 0.09530 0.07954

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.602 -0.911 -0.654
C2 0.818 -0.117 -0.166
H3 1.143 1.968 0.205
H4 2.336 0.863 0.971
H5 0.667 1.057 1.643
C6 1.275 1.000 0.722
H7 -0.764 -0.843 -1.327
C8 -0.670 -0.253 -0.397
H9 -0.978 1.688 -1.352
H10 -0.736 -2.042 0.847
H11 -1.315 1.660 0.401
H12 -1.137 -0.529 1.711
H13 -2.320 -1.252 0.596
H14 -2.459 0.913 -0.734
C15 -1.244 -1.068 0.752
C16 -1.387 1.073 -0.532

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10 H11 H12 H13 H14 C15 C16
O11.21793.03912.51543.16572.37752.46092.37943.72802.99974.02853.63894.13044.45293.17803.5895
C21.21792.14222.13472.16141.49822.09241.51202.80882.67332.83312.74143.42283.48212.44932.5322
H33.03912.14221.79711.76701.10493.72612.92942.64644.47432.48483.70134.74463.86953.90052.7832
H42.51542.13471.79711.80901.09854.21923.48594.13044.22953.77973.81375.12725.08964.07304.0204
H53.16572.16141.76701.80901.10463.80482.76813.47443.49332.41512.40293.91763.92982.99332.9915
C62.37751.49821.10491.09851.10463.42802.56983.13843.64852.69143.02204.24364.00893.25902.9433
H72.46092.09243.72614.21923.80483.42801.10562.53942.48323.09063.07722.50742.51172.14602.1655
C82.37941.51202.92943.48592.76812.56981.10562.18472.17972.17042.17652.16912.16221.52121.5134
H93.72802.80882.64644.13043.47443.13842.53942.18474.33601.78483.78403.77261.78193.47741.1030
H102.99972.67334.47434.22953.49333.64852.48322.17974.33603.77301.78771.78783.76831.10183.4680
H114.02852.83312.48483.77972.41512.69143.09062.17041.78483.77302.55713.08641.77652.75171.1046
H123.63892.74143.70133.81372.40293.02203.07722.17653.78401.78772.55711.77923.13151.10532.7677
H134.13043.42284.74465.12723.91764.24362.50742.16913.77261.78783.08641.77922.54441.10312.7471
H144.45293.48213.86955.08963.92984.00892.51172.16221.78193.76831.77653.13152.54442.75921.1029
C153.17802.44933.90054.07302.99333.25902.14601.52123.47741.10182.75171.10531.10312.75922.5011
C163.58952.53222.78324.02042.99152.94332.16551.51341.10303.46801.10462.76772.74711.10292.5011

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 121.829 O1 C2 C8 120.907
C2 C6 H3 109.842 C2 C6 H4 109.634
C2 C6 H5 111.390 C2 C8 H7 105.076
C2 C8 C15 107.701 C2 C8 C16 113.644
H3 C6 H4 109.298 H3 C6 H5 106.210
H4 C6 H5 110.399 C6 C2 C8 117.228
H7 C8 C15 108.530 H7 C8 C16 110.587
C8 C15 H10 111.400 C8 C15 H12 110.931
C8 C15 H13 110.483 C8 C16 H9 112.286
C8 C16 H11 111.033 C8 C16 H14 110.487
H9 C16 H11 107.895 H9 C16 H14 107.763
H10 C15 H12 108.188 H10 C15 H13 108.353
H11 C16 H14 107.173 H12 C15 H13 107.347
C15 C8 C16 111.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.390      
2 C 0.380      
3 H 0.171      
4 H 0.171      
5 H 0.156      
6 C -0.501      
7 H 0.150      
8 C -0.156      
9 H 0.147      
10 H 0.161      
11 H 0.135      
12 H 0.134      
13 H 0.148      
14 H 0.145      
15 C -0.422      
16 C -0.429      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.935 1.701 1.108 2.804
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.393 3.530 2.331
y 3.530 -38.293 -1.196
z 2.331 -1.196 -37.855
Traceless
 xyz
x -2.319 3.530 2.331
y 3.530 0.830 -1.196
z 2.331 -1.196 1.489
Polar
3z2-r22.977
x2-y2-2.100
xy3.530
xz2.331
yz-1.196


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.234 -0.053 0.009
y -0.053 8.446 0.356
z 0.009 0.356 7.573


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000