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

using model chemistry: HF/daug-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 HF/daug-cc-pVTZ
 hartrees
Energy at 0K-270.131017
Energy at 298.15K-270.141930
HF Energy-270.131017
Nuclear repulsion energy245.914946
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 HF/daug-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 3275 2963 16.60      
2 A 3233 2925 52.83      
3 A 3229 2921 40.62      
4 A 3227 2919 50.00      
5 A 3217 2910 26.46      
6 A 3215 2908 10.94      
7 A 3195 2890 0.94      
8 A 3175 2872 7.42      
9 A 3161 2860 14.32      
10 A 3157 2856 30.76      
11 A 1965 1778 263.68      
12 A 1629 1474 16.32      
13 A 1623 1468 5.70      
14 A 1613 1459 2.12      
15 A 1608 1454 1.08      
16 A 1598 1446 7.37      
17 A 1583 1432 11.84      
18 A 1546 1399 3.37      
19 A 1525 1380 3.00      
20 A 1522 1377 31.45      
21 A 1471 1331 2.56      
22 A 1457 1318 2.23      
23 A 1366 1236 43.62      
24 A 1287 1164 4.09      
25 A 1224 1107 1.20      
26 A 1190 1076 14.18      
27 A 1097 993 2.42      
28 A 1041 942 0.49      
29 A 1026 928 15.88      
30 A 1006 910 0.56      
31 A 955 864 2.78      
32 A 769 695 3.73      
33 A 654 592 1.27      
34 A 564 510 12.26      
35 A 534 483 6.17      
36 A 356 322 1.72      
37 A 291 263 1.79      
38 A 274 248 0.41      
39 A 253 229 0.46      
40 A 225 203 0.69      
41 A 139 126 0.05      
42 A 56 51 4.95      

Unscaled Zero Point Vibrational Energy (zpe) 32764.8 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 29639.0 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 HF/daug-cc-pVTZ
ABC
0.15315 0.09081 0.08022

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.557 -0.846 -0.781
C2 0.821 -0.140 -0.172
H3 1.309 1.855 0.405
H4 2.394 0.624 1.042
H5 0.786 0.863 1.745
C6 1.363 0.858 0.829
H7 -0.807 -0.792 -1.296
C8 -0.686 -0.231 -0.379
H9 -0.897 1.709 -1.339
H10 -0.858 -2.012 0.853
H11 -1.303 1.722 0.368
H12 -1.234 -0.527 1.713
H13 -2.376 -1.186 0.564
H14 -2.401 1.005 -0.788
C15 -1.321 -1.038 0.760
C16 -1.354 1.135 -0.541

Atom - Atom Distances (Å)
  O1 C2 H3 H4 H5 C6 H7 C8 H9 H10 H11 H12 H13 H14 C15 C16
O11.18872.96072.48773.14582.35272.42022.36033.58613.14084.01223.75674.17084.36923.27083.5295
C21.18872.13302.12912.16301.51352.08331.52352.78032.71602.87542.81503.44343.47392.50292.5479
H32.96072.13301.76081.74681.08433.79172.99082.81554.45582.61553.72214.78063.98833.92612.9162
H42.48772.12911.76081.77091.07904.20993.49834.20474.19103.91553.86535.12495.14674.08024.1012
H53.14582.16301.74681.77091.08243.81112.80573.61343.43042.64512.45293.94924.07333.00433.1433
C62.35271.51351.08431.07901.08243.45652.61573.24483.62982.84003.07374.27004.09893.28743.0555
H72.42022.08333.79174.20993.81113.45651.08232.50282.47253.05553.05072.46512.45472.13412.1406
C82.36031.52352.99083.49832.80572.61571.08232.17522.17262.18032.18222.15802.15321.53361.5296
H93.58612.78032.81554.20473.61343.24482.50282.17524.31951.75543.79893.76731.74983.48361.0841
H103.14082.71604.45584.19103.43043.62982.47252.17264.31953.79201.75651.75273.76541.08293.4783
H114.01222.87542.61553.91552.64512.84003.05552.18031.75543.79202.62163.10601.74842.78791.0838
H123.75672.81503.72213.86532.45293.07373.05072.18223.79891.75652.62161.74903.15671.08422.8036
H134.17083.44344.78065.12493.94924.27002.46512.15803.76731.75273.10601.74902.57451.08332.7666
H144.36923.47393.98835.14674.07334.09892.45472.15321.74983.76541.74843.15672.57452.78151.0832
C153.27082.50293.92614.08023.00433.28742.13411.53363.48361.08292.78791.08421.08332.78152.5335
C163.52952.54792.91624.10123.14333.05552.14061.52961.08413.47831.08382.80362.76661.08322.5335

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 120.599 O1 C2 C8 120.475
C2 C6 H3 109.270 C2 C6 H4 109.278
C2 C6 H5 111.793 C2 C8 H7 104.895
C2 C8 C15 109.910 C2 C8 C16 113.128
H3 C6 H4 108.959 H3 C6 H5 107.448
H4 C6 H5 110.034 C6 C2 C8 118.925
H7 C8 C15 108.100 H7 C8 C16 108.875
C8 C15 H10 111.097 C8 C15 H12 111.793
C8 C15 H13 109.912 C8 C16 H9 111.521
C8 C16 H11 111.948 C8 C16 H14 109.807
H9 C16 H11 108.138 H9 C16 H14 107.682
H10 C15 H12 108.288 H10 C15 H13 108.016
H11 C16 H14 107.570 H12 C15 H13 107.593
C15 C8 C16 111.597
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -1.726      
2 C 2.040      
3 H 0.276      
4 H 0.407      
5 H 0.352      
6 C -1.117      
7 H 0.345      
8 C 0.473      
9 H 0.322      
10 H 0.206      
11 H 0.444      
12 H 0.554      
13 H 0.380      
14 H 0.403      
15 C -1.798      
16 C -1.561      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.182 1.827 1.581 3.256
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.540 3.787 3.449
y 3.787 -39.324 -1.609
z 3.449 -1.609 -39.060
Traceless
 xyz
x -2.349 3.787 3.449
y 3.787 0.976 -1.609
z 3.449 -1.609 1.372
Polar
3z2-r22.744
x2-y2-2.217
xy3.787
xz3.449
yz-1.609


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.600 -0.132 -0.108
y -0.132 8.896 0.274
z -0.108 0.274 8.382


<r2> (average value of r2) Å2
<r2> 179.124
(<r2>)1/2 13.384