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All results from a given calculation for C5H10O (2-Pentanone)

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-271.892332
Energy at 298.15K 
HF Energy-271.892332
Nuclear repulsion energy235.818768
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 B3LYP/aug-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' 3137 3035 10.47      
2 A' 3087 2986 38.20      
3 A' 3042 2943 17.41      
4 A' 3031 2932 5.93      
5 A' 3019 2921 28.24      
6 A' 2999 2901 14.68      
7 A' 1778 1720 166.47      
8 A' 1508 1459 6.98      
9 A' 1491 1443 2.20      
10 A' 1466 1419 21.88      
11 A' 1450 1403 4.25      
12 A' 1413 1367 0.83      
13 A' 1397 1352 35.20      
14 A' 1386 1341 26.21      
15 A' 1326 1283 14.27      
16 A' 1182 1144 68.21      
17 A' 1128 1092 0.01      
18 A' 1045 1011 0.17      
19 A' 961 930 6.38      
20 A' 902 873 11.37      
21 A' 820 793 1.78      
22 A' 594 574 11.45      
23 A' 394 382 1.33      
24 A' 338 327 2.35      
25 A' 170 165 4.94      
26 A" 3086 2985 64.57      
27 A" 3082 2982 1.51      
28 A" 3060 2960 1.27      
29 A" 3019 2921 6.99      
30 A" 1501 1452 6.37      
31 A" 1477 1429 10.10      
32 A" 1327 1284 0.07      
33 A" 1255 1214 0.05      
34 A" 1144 1107 0.71      
35 A" 980 948 0.87      
36 A" 834 807 0.39      
37 A" 725 701 3.53      
38 A" 476 460 0.18      
39 A" 242 234 0.03      
40 A" 89 86 0.11      
41 A" 77 75 1.16      
42 A" 48i 47i 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 30694.3 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 29696.7 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 B3LYP/aug-cc-pVTZ
ABC
0.27944 0.05956 0.05092

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.414 1.361 0.000
C2 -1.471 0.160 0.000
C3 0.000 0.564 0.000
C4 0.990 -0.587 0.000
C5 2.454 -0.204 0.000
O6 0.632 -1.744 0.000
H7 -3.461 1.051 0.000
H8 -2.262 1.990 0.880
H9 -2.262 1.990 -0.880
H10 -1.668 -0.472 0.868
H11 -1.668 -0.472 -0.868
H12 0.226 1.193 -0.869
H13 0.226 1.193 0.869
H14 3.086 -1.090 0.000
H15 2.690 0.402 -0.878
H16 2.690 0.402 0.878

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.52662.54263.92225.11354.34931.09131.09271.09272.16122.16122.78432.78436.02175.26735.2673
C21.52661.52562.57223.94192.83682.17972.17892.17891.09201.09202.16792.16794.72574.25964.2596
C32.54261.52561.51792.57112.39243.49492.81502.81502.14692.14691.09601.09603.50122.83422.8342
C43.92222.57221.51791.51281.21104.74254.24144.24142.79842.79842.12282.12282.15562.15342.1534
C55.11353.94192.57111.51282.38516.04625.27505.27504.22054.22052.76982.76981.08801.09251.0925
O64.34932.83682.39241.21102.38514.95554.80504.80502.76732.76733.08913.08912.54003.09983.0998
H71.09132.17973.49494.74256.04624.95551.75931.75932.50752.50753.79003.79006.88796.24696.2469
H81.09272.17892.81504.24145.27504.80501.75931.75982.53323.07773.14322.61196.23375.48925.2002
H91.09272.17892.81504.24145.27504.80501.75931.75983.07772.53322.61193.14326.23375.20025.4892
H102.16121.09202.14692.79844.22052.76732.50752.53323.07771.73613.06182.52154.87194.77524.4446
H112.16121.09202.14692.79844.22052.76732.50753.07772.53321.73612.52153.06184.87194.44464.7752
H122.78432.16791.09602.12282.76983.08913.79003.14322.61193.06182.52151.73753.76132.58833.1224
H132.78432.16791.09602.12282.76983.08913.79002.61193.14322.52153.06181.73753.76133.12242.5883
H146.02174.72573.50122.15561.08802.54006.88796.23376.23374.87194.87193.76133.76131.77531.7753
H155.26734.25962.83422.15341.09253.09986.24695.48925.20024.77524.44462.58833.12241.77531.7555
H165.26734.25962.83422.15341.09253.09986.24695.20025.48924.44464.77523.12242.58831.77531.7555

picture of 2-Pentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.822 C1 C2 H10 110.140
C1 C2 H11 110.140 C2 C1 H7 111.654
C2 C1 H8 111.509 C2 C1 H9 111.509
C2 C3 C4 115.373 C2 C3 H12 110.503
C2 C3 H13 110.503 C3 C2 H10 109.081
C3 C2 H11 109.081 C3 C4 C5 116.067
C3 C4 O6 122.083 C4 C3 H12 107.508
C4 C3 H13 107.508 C4 C5 H14 110.900
C4 C5 H15 110.454 C4 C5 H16 110.454
C5 C4 O6 121.850 H7 C1 H8 107.323
H7 C1 H9 107.323 H8 C1 H9 107.274
H10 C2 H11 105.294 H12 C3 H13 104.861
H14 C5 H15 109.008 H14 C5 H16 109.008
H15 C5 H16 106.915
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability