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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-271.640147
Energy at 298.15K-271.650725
HF Energy-271.282838
Nuclear repulsion energy245.042601
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 B2PLYP/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 3169 3040 9.07      
2 A 3130 3003 21.55      
3 A 3125 2998 38.17      
4 A 3123 2996 25.79      
5 A 3120 2994 20.37      
6 A 3116 2989 4.70      
7 A 3078 2953 2.98      
8 A 3060 2935 4.91      
9 A 3050 2926 13.41      
10 A 3048 2924 23.23      
11 A 1762 1690 151.75      
12 A 1525 1463 18.10      
13 A 1519 1457 6.54      
14 A 1508 1447 2.97      
15 A 1504 1442 0.65      
16 A 1490 1429 8.38      
17 A 1477 1417 12.78      
18 A 1429 1371 3.81      
19 A 1407 1350 4.17      
20 A 1395 1338 39.33      
21 A 1359 1304 2.08      
22 A 1339 1284 1.52      
23 A 1268 1216 43.44      
24 A 1196 1147 2.17      
25 A 1136 1090 1.12      
26 A 1101 1056 16.62      
27 A 1019 978 1.27      
28 A 976 936 0.74      
29 A 947 909 19.11      
30 A 939 901 1.69      
31 A 905 868 4.07      
32 A 726 696 4.66      
33 A 602 578 0.37      
34 A 526 505 7.26      
35 A 494 474 4.87      
36 A 334 320 1.26      
37 A 274 263 1.60      
38 A 255 244 0.27      
39 A 237 227 0.18      
40 A 211 202 0.43      
41 A 136 131 0.05      
42 A 50 48 3.45      

Unscaled Zero Point Vibrational Energy (zpe) 31028.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 29769.1 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 B2PLYP/cc-pVTZ
ABC
0.15213 0.09111 0.07960

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.594 -0.869 -0.743
C2 0.822 -0.131 -0.165
H3 1.233 1.905 0.353
H4 2.365 0.724 1.034
H5 0.733 0.929 1.722
C6 1.322 0.916 0.805
H7 -0.787 -0.837 -1.297
C8 -0.681 -0.250 -0.385
H9 -0.923 1.673 -1.382
H10 -0.823 -2.009 0.889
H11 -1.311 1.706 0.340
H12 -1.212 -0.496 1.717
H13 -2.362 -1.201 0.587
H14 -2.422 0.957 -0.798
C15 -1.302 -1.038 0.774
C16 -1.368 1.103 -0.566

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10 H11 H12 H13 H14 C15 C16
O11.21423.00432.50813.17012.37892.44482.38423.63403.13094.03013.74944.18654.41143.27313.5625
C21.21422.14082.13332.16611.51292.09021.52312.78952.70952.86002.79453.44223.47922.49262.5453
H33.00432.14081.77191.75381.09083.78482.97482.77744.45322.55173.68834.75723.94763.90662.8725
H42.50812.13331.77191.78341.08544.22013.49854.18944.20153.86773.84065.12405.13084.07634.0790
H53.17012.16611.75381.78341.08943.81352.79753.59543.42692.58612.41103.92504.03722.98403.1104
C62.37891.51291.09081.08541.08943.45592.60513.22443.62792.78763.04054.25494.07263.27123.0247
H72.44482.09023.78484.22013.81353.45591.08992.51562.48053.06993.06222.48212.47762.14352.1535
C82.38421.52312.97483.49852.79752.60511.08992.17902.17712.17922.18202.16312.15781.53351.5281
H93.63402.78952.77744.18943.59543.22442.51562.17904.32711.76523.79343.76951.76083.48431.0897
H103.13092.70954.45324.20153.42693.62792.48052.17714.32713.78721.76701.76433.76771.08883.4786
H114.03012.86002.55173.86772.58612.78763.06992.17921.76523.78722.59963.10211.75842.77831.0899
H123.74942.79453.68833.84062.41103.04053.06222.18203.79341.76702.59961.75993.14601.09042.7919
H134.18653.44224.75725.12403.92504.25492.48212.16313.76951.76433.10211.75992.56461.08942.7624
H144.41143.47923.94765.13084.03724.07262.47762.15781.76083.76771.75843.14602.56462.77541.0894
C153.27312.49263.90664.07632.98403.27122.14351.53353.48431.08882.77831.09041.08942.77542.5269
C163.56252.54532.87254.07903.11043.02472.15351.52811.08973.47861.08992.79192.76241.08942.5269

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 121.066 O1 C2 C8 120.734
C2 C6 H3 109.550 C2 C6 H4 109.270
C2 C6 H5 111.653 C2 C8 H7 105.034
C2 C8 C15 109.268 C2 C8 C16 113.069
H3 C6 H4 109.019 H3 C6 H5 107.115
H4 C6 H5 110.180 C6 C2 C8 118.195
H7 C8 C15 108.395 H7 C8 C16 109.549
C8 C15 H10 111.118 C8 C15 H12 111.407
C8 C15 H13 109.960 C8 C16 H9 111.598
C8 C16 H11 111.596 C8 C16 H14 109.923
H9 C16 H11 108.168 H9 C16 H14 107.814
H10 C15 H12 108.367 H10 C15 H13 108.189
H11 C16 H14 107.580 H12 C15 H13 107.678
C15 C8 C16 111.253
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.317      
2 C 0.256      
3 H 0.109      
4 H 0.129      
5 H 0.104      
6 C -0.322      
7 H 0.116      
8 C -0.066      
9 H 0.111      
10 H 0.116      
11 H 0.093      
12 H 0.092      
13 H 0.105      
14 H 0.109      
15 C -0.313      
16 C -0.322      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.918 -0.046 -0.012
y -0.046 9.096 0.319
z -0.012 0.319 8.451


<r2> (average value of r2) Å2
<r2> 179.518
(<r2>)1/2 13.398