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

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-271.481574
Energy at 298.15K-271.491922
Nuclear repulsion energy243.341924
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 PBEPBE/6-311G*
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 3087 3055 13.27      
2 A 3048 3016 25.59      
3 A 3039 3008 59.80      
4 A 3037 3006 44.36      
5 A 3035 3003 1.82      
6 A 3031 3000 4.20      
7 A 2987 2956 5.92      
8 A 2973 2942 7.04      
9 A 2967 2936 16.83      
10 A 2964 2933 26.93      
11 A 1734 1716 160.94      
12 A 1481 1466 24.53      
13 A 1473 1458 8.37      
14 A 1461 1446 4.97      
15 A 1456 1441 0.78      
16 A 1439 1424 12.05      
17 A 1430 1415 14.91      
18 A 1378 1364 5.83      
19 A 1355 1341 7.21      
20 A 1340 1326 51.38      
21 A 1307 1293 1.86      
22 A 1284 1271 1.38      
23 A 1215 1203 46.26      
24 A 1151 1139 2.03      
25 A 1100 1088 1.09      
26 A 1060 1049 22.50      
27 A 984 974 1.38      
28 A 942 932 1.17      
29 A 907 897 15.06      
30 A 906 896 11.52      
31 A 880 871 5.32      
32 A 702 695 6.00      
33 A 579 573 0.31      
34 A 511 506 6.51      
35 A 475 470 3.33      
36 A 324 320 1.08      
37 A 265 262 1.41      
38 A 245 243 0.36      
39 A 234 232 0.13      
40 A 204 202 0.29      
41 A 134 132 0.24      
42 A 44 44 2.77      

Unscaled Zero Point Vibrational Energy (zpe) 30083.2 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 29770.4 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 PBEPBE/6-311G*
ABC
0.15016 0.09006 0.07845

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.602 -0.881 -0.744
C2 0.830 -0.132 -0.167
H3 1.261 1.925 0.336
H4 2.385 0.731 1.044
H5 0.736 0.967 1.727
C6 1.333 0.927 0.802
H7 -0.792 -0.842 -1.306
C8 -0.685 -0.246 -0.384
H9 -0.943 1.689 -1.393
H10 -0.817 -2.027 0.895
H11 -1.329 1.725 0.346
H12 -1.228 -0.508 1.734
H13 -2.377 -1.227 0.587
H14 -2.450 0.961 -0.797
C15 -1.307 -1.049 0.777
C16 -1.383 1.109 -0.566

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10 H11 H12 H13 H14 C15 C16
O11.22083.02632.53183.20512.39462.45952.40153.67463.13944.07133.78024.21014.45163.28693.5924
C21.22082.16102.15152.19171.52132.10531.53552.82162.72662.89402.82683.47173.51452.50952.5688
H33.02632.16101.78581.76801.10333.81653.00372.81124.50012.59803.75024.81973.99803.95322.9105
H42.53182.15151.78581.80061.09704.25323.52464.23434.22933.90773.88105.16905.17874.10694.1150
H53.20512.19171.76801.80061.10163.84762.81903.61503.47422.59682.45563.97504.06423.02263.1249
C62.39461.52131.10331.09701.10163.47702.61903.25233.65552.81653.07994.29554.10743.29743.0467
H72.45952.10533.81654.25323.84763.47701.10302.53622.50043.09963.08972.49902.50172.15592.1686
C82.40151.53553.00373.52462.81902.61901.10302.19742.19622.19852.20172.18262.17761.54151.5353
H93.67462.82162.81124.23433.61503.25232.53622.19744.36531.78173.83163.80451.77593.51151.1015
H103.13942.72664.50014.22933.47423.65552.50042.19624.36533.82641.78361.77973.80251.10043.5057
H114.07132.89402.59803.90772.59682.81653.09962.19851.78173.82642.63073.14131.77402.80671.1020
H123.78022.82683.75023.88102.45563.07993.08972.20173.83161.78362.63071.77603.17171.10232.8156
H134.21013.47174.81975.16903.97504.29552.49902.18263.80451.77973.14131.77602.59011.10152.7879
H144.45163.51453.99805.17874.06424.10742.50172.17761.77593.80251.77403.17172.59012.79721.1015
C153.28692.50953.95324.10693.02263.29742.15591.54153.51151.10042.80671.10231.10152.79722.5424
C163.59242.56882.91054.11503.12493.04672.16861.53531.10153.50571.10202.81562.78791.10152.5424

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 121.294 O1 C2 C8 120.788
C2 C6 H3 109.825 C2 C6 H4 109.448
C2 C6 H5 112.372 C2 C8 H7 104.669
C2 C8 C15 109.284 C2 C8 C16 113.547
H3 C6 H4 108.512 H3 C6 H5 106.617
H4 C6 H5 109.966 C6 C2 C8 117.912
H7 C8 C15 108.074 H7 C8 C16 109.477
C8 C15 H10 111.375 C8 C15 H12 111.695
C8 C15 H13 110.229 C8 C16 H9 111.843
C8 C16 H11 111.903 C8 C16 H14 110.270
H9 C16 H11 107.921 H9 C16 H14 107.447
H10 C15 H12 108.137 H10 C15 H13 107.847
H11 C16 H14 107.238 H12 C15 H13 107.390
C15 C8 C16 111.448
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.266      
2 C 0.317      
3 H 0.243      
4 H 0.243      
5 H 0.233      
6 C -0.733      
7 H 0.231      
8 C -0.325      
9 H 0.227      
10 H 0.234      
11 H 0.216      
12 H 0.212      
13 H 0.225      
14 H 0.225      
15 C -0.636      
16 C -0.646      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.848 1.564 1.201 2.702
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.237 3.281 2.595
y 3.281 -39.251 -1.290
z 2.595 -1.290 -38.969
Traceless
 xyz
x -2.127 3.281 2.595
y 3.281 0.852 -1.290
z 2.595 -1.290 1.275
Polar
3z2-r22.550
x2-y2-1.986
xy3.281
xz2.595
yz-1.290


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.900 0.011 0.043
y 0.011 8.965 0.389
z 0.043 0.389 8.277


<r2> (average value of r2) Å2
<r2> 181.627
(<r2>)1/2 13.477