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

using model chemistry: wB97X-D/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 wB97X-D/6-311G**
 hartrees
Energy at 0K-271.769926
Energy at 298.15K-271.780743
HF Energy-271.769926
Nuclear repulsion energy245.067093
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/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 3171 3033 10.58      
2 A 3131 2995 22.61      
3 A 3128 2992 50.46      
4 A 3126 2990 42.32      
5 A 3123 2987 0.96      
6 A 3118 2982 11.03      
7 A 3087 2953 2.32      
8 A 3053 2921 6.48      
9 A 3047 2914 13.40      
10 A 3045 2912 26.01      
11 A 1839 1759 190.27      
12 A 1522 1456 24.07      
13 A 1519 1453 6.96      
14 A 1507 1442 4.20      
15 A 1497 1432 2.67      
16 A 1483 1418 10.83      
17 A 1470 1406 13.77      
18 A 1432 1370 4.91      
19 A 1412 1350 8.00      
20 A 1398 1337 51.95      
21 A 1353 1294 0.85      
22 A 1341 1283 1.26      
23 A 1271 1215 42.50      
24 A 1195 1143 2.15      
25 A 1144 1094 0.95      
26 A 1106 1058 21.07      
27 A 1026 982 1.86      
28 A 985 942 0.97      
29 A 955 914 18.42      
30 A 946 905 1.84      
31 A 910 870 4.54      
32 A 734 702 4.48      
33 A 610 584 0.35      
34 A 535 512 7.52      
35 A 505 483 5.02      
36 A 343 328 1.51      
37 A 306 293 1.78      
38 A 283 271 0.37      
39 A 264 253 0.11      
40 A 226 216 0.50      
41 A 169 162 0.16      
42 A 59 56 3.45      

Unscaled Zero Point Vibrational Energy (zpe) 31186.3 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 29829.7 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/6-311G**
ABC
0.15198 0.09135 0.07968

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.585 -0.865 -0.750
C2 0.821 -0.128 -0.171
H3 1.242 1.902 0.363
H4 2.380 0.707 1.027
H5 0.747 0.909 1.731
C6 1.332 0.906 0.808
H7 -0.793 -0.823 -1.306
C8 -0.682 -0.243 -0.385
H9 -0.925 1.695 -1.364
H10 -0.817 -2.023 0.870
H11 -1.316 1.708 0.364
H12 -1.207 -0.517 1.720
H13 -2.363 -1.213 0.583
H14 -2.428 0.969 -0.788
C15 -1.299 -1.048 0.768
C16 -1.371 1.114 -0.553

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10 H11 H12 H13 H14 C15 C16
O11.20893.00162.50173.16272.37162.44262.37913.63763.11994.03393.74384.18164.41263.26413.5624
C21.20892.14042.13572.16761.51222.09201.52312.79202.71272.86732.80023.44773.48462.49482.5479
H33.00162.14041.77761.76111.09403.78832.97762.77934.46072.56543.69984.76963.95843.91452.8791
H42.50172.13571.77761.78971.08904.22473.50344.19684.20653.88543.85275.13635.14574.08434.0899
H53.16272.16761.76111.78971.09303.82012.80173.60483.43222.60022.41863.93634.05342.99053.1214
C62.37161.51221.09401.08901.09303.45972.60773.22993.63272.80153.04974.26534.08493.27723.0327
H72.44262.09203.78834.22473.82013.45971.09342.52212.48553.07653.06972.48702.48052.14672.1565
C82.37911.52312.97763.50342.80172.60771.09342.18512.18222.18382.18712.16862.16331.53571.5308
H93.63762.79202.77934.19683.60483.22992.52212.18514.33931.77193.80613.78371.76623.49461.0933
H103.11992.71274.46074.20653.43223.63272.48552.18224.33933.79761.77271.76943.78131.09233.4886
H114.03392.86732.56543.88542.60022.80153.07652.18381.77193.79762.60753.11051.76362.78531.0939
H123.74382.80023.69983.85272.41863.04973.06972.18713.80611.77272.60751.76533.16071.09442.8022
H134.18163.44774.76965.13633.93634.26532.48702.16863.78371.76943.11051.76532.57751.09282.7726
H144.41263.48463.95845.14574.05344.08492.48052.16331.76623.78131.76363.16072.57752.78661.0928
C153.26412.49483.91454.08432.99053.27722.14671.53573.49461.09232.78531.09441.09282.78662.5344
C163.56242.54792.87914.08993.12143.03272.15651.53081.09333.48861.09392.80222.77261.09282.5344

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 120.874 O1 C2 C8 120.674
C2 C6 H3 109.376 C2 C6 H4 109.296
C2 C6 H5 111.599 C2 C8 H7 104.983
C2 C8 C15 109.296 C2 C8 C16 113.086
H3 C6 H4 109.037 H3 C6 H5 107.270
H4 C6 H5 110.209 C6 C2 C8 118.433
H7 C8 C15 108.298 H7 C8 C16 109.400
C8 C15 H10 111.153 C8 C15 H12 111.421
C8 C15 H13 110.041 C8 C16 H9 111.673
C8 C16 H11 111.528 C8 C16 H14 109.962
H9 C16 H11 108.218 H9 C16 H14 107.787
H10 C15 H12 108.325 H10 C15 H13 108.145
H11 C16 H14 107.506 H12 C15 H13 107.626
C15 C8 C16 111.481
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.299      
2 C 0.220      
3 H 0.143      
4 H 0.150      
5 H 0.134      
6 C -0.353      
7 H 0.153      
8 C -0.270      
9 H 0.131      
10 H 0.137      
11 H 0.116      
12 H 0.112      
13 H 0.127      
14 H 0.127      
15 C -0.306      
16 C -0.323      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.973 1.660 1.302 2.888
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.950 3.464 2.816
y 3.464 -38.874 -1.389
z 2.816 -1.389 -38.552
Traceless
 xyz
x -2.237 3.464 2.816
y 3.464 0.877 -1.389
z 2.816 -1.389 1.360
Polar
3z2-r22.720
x2-y2-2.076
xy3.464
xz2.816
yz-1.389


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.382 -0.065 -0.017
y -0.065 8.599 0.338
z -0.017 0.338 8.024


<r2> (average value of r2) Å2
<r2> 179.104
(<r2>)1/2 13.383