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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-271.611957
Energy at 298.15K-271.622340
HF Energy-271.611957
Nuclear repulsion energy 
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 B97D3/6-31G*
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 3116 3055 15.11      
2 A 3077 3016 28.45      
3 A 3068 3008 68.34      
4 A 3065 3005 44.03      
5 A 3062 3002 3.05      
6 A 3059 2999 5.37      
7 A 3014 2955 7.59      
8 A 2997 2938 10.05      
9 A 2991 2932 16.23      
10 A 2988 2930 30.55      
11 A 1753 1719 148.39      
12 A 1514 1484 15.21      
13 A 1506 1477 5.16      
14 A 1495 1465 2.96      
15 A 1492 1463 0.94      
16 A 1475 1446 8.07      
17 A 1465 1436 10.35      
18 A 1414 1386 1.99      
19 A 1390 1363 2.26      
20 A 1375 1348 34.80      
21 A 1334 1308 3.42      
22 A 1312 1286 0.93      
23 A 1231 1206 54.78      
24 A 1173 1150 2.46      
25 A 1109 1088 1.77      
26 A 1083 1061 21.52      
27 A 998 978 1.98      
28 A 958 939 0.76      
29 A 925 907 3.25      
30 A 921 903 25.49      
31 A 882 865 4.03      
32 A 704 690 4.86      
33 A 585 574 0.25      
34 A 513 503 6.12      
35 A 482 473 3.85      
36 A 330 323 1.27      
37 A 274 269 1.56      
38 A 250 245 0.27      
39 A 234 230 0.16      
40 A 207 203 0.28      
41 A 137 134 0.19      
42 A 36 36 2.79      

Unscaled Zero Point Vibrational Energy (zpe) 30497.1 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 29899.3 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 B97D3/6-31G*
ABC
0.14977 0.09019 0.07824

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.609 -0.887 -0.734
C2 0.831 -0.131 -0.168
H3 1.245 1.932 0.321
H4 2.377 0.754 1.046
H5 0.720 0.978 1.713
C6 1.327 0.942 0.797
H7 -0.797 -0.844 -1.307
C8 -0.685 -0.251 -0.388
H9 -0.939 1.688 -1.386
H10 -0.809 -2.028 0.894
H11 -1.337 1.712 0.350
H12 -1.214 -0.506 1.731
H13 -2.372 -1.228 0.593
H14 -2.450 0.953 -0.804
C15 -1.302 -1.053 0.780
C16 -1.387 1.107 -0.567

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10 H11 H12 H13 H14 C15 C16
O11.22373.03192.54033.20282.40142.47452.40603.68153.13044.07563.76754.21084.45753.28613.6030
C21.22372.16032.15602.18671.52552.11151.53652.81572.72292.89232.81623.47033.51362.51002.5713
H33.03192.16031.78701.76741.10153.81212.99872.78334.49722.59143.73904.81053.98493.95072.8981
H42.54032.15601.78701.79991.09564.26283.52734.21744.23203.89783.86685.16595.17334.10774.1103
H53.20282.18671.76741.79991.09983.84012.81033.58673.46992.57452.43793.95984.04813.01393.1074
C62.40141.52551.10151.09561.09983.48252.62123.23373.65862.80843.07004.29274.10203.29983.0416
H72.47452.11153.81214.26283.84013.48251.10022.53802.49933.09413.08542.49772.49302.15752.1686
C82.40601.53652.99873.52732.81032.62121.10022.19582.19462.19602.19892.18252.17661.54531.5387
H93.68152.81572.78334.21743.58673.23372.53802.19584.36181.78123.82213.80431.77823.51231.1000
H103.13042.72294.49724.23203.46993.65862.49932.19464.36183.81591.78311.78203.80291.09893.5062
H114.07562.89232.59143.89782.57452.80843.09412.19601.78123.81592.61613.12611.77422.79821.1000
H123.76752.81623.73903.86682.43793.07003.08542.19893.82211.78312.61611.77663.17551.10052.8129
H134.21083.47034.81055.16593.95984.29272.49772.18253.80431.78203.12611.77662.59081.10002.7864
H144.45753.51363.98495.17334.04814.10202.49302.17661.77823.80291.77423.17552.59082.80151.0999
C153.28612.51003.95074.10773.01393.29982.15751.54533.51231.09892.79821.10051.10002.80152.5463
C163.60302.57132.89814.11033.10743.04162.16861.53871.10003.50621.10002.81292.78641.09992.5463

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 121.017 O1 C2 C8 120.788
C2 C6 H3 109.728 C2 C6 H4 109.510
C2 C6 H5 111.819 C2 C8 H7 105.071
C2 C8 C15 109.302 C2 C8 C16 113.518
H3 C6 H4 108.786 H3 C6 H5 106.903
H4 C6 H5 110.021 C6 C2 C8 118.158
H7 C8 C15 107.979 H7 C8 C16 109.219
C8 C15 H10 111.186 C8 C15 H12 111.343
C8 C15 H13 110.128 C8 C16 H9 111.658
C8 C16 H11 111.581 C8 C16 H14 110.152
H9 C16 H11 108.091 H9 C16 H14 107.755
H10 C15 H12 108.272 H10 C15 H13 108.174
H11 C16 H14 107.429 H12 C15 H13 107.609
C15 C8 C16 111.428
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.429      
2 C 0.446      
3 H 0.179      
4 H 0.183      
5 H 0.168      
6 C -0.551      
7 H 0.159      
8 C -0.159      
9 H 0.158      
10 H 0.169      
11 H 0.151      
12 H 0.149      
13 H 0.159      
14 H 0.157      
15 C -0.468      
16 C -0.470      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.900 1.596 1.221 2.765
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.387 3.345 2.571
y 3.345 -38.310 -1.298
z 2.571 -1.298 -38.003
Traceless
 xyz
x -2.231 3.345 2.571
y 3.345 0.885 -1.298
z 2.571 -1.298 1.345
Polar
3z2-r22.691
x2-y2-2.077
xy3.345
xz2.571
yz-1.298


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.113 -0.078 -0.033
y -0.078 8.211 0.381
z -0.033 0.381 7.552


<r2> (average value of r2) Å2
<r2> 181.116
(<r2>)1/2 13.458