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All results from a given calculation for C5H10O (3-Pentanone)

using model chemistry: CCSD/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD/6-311G**
 hartrees
Energy at 0K-271.100512
Energy at 298.15K 
HF Energy-270.101358
Nuclear repulsion energy238.650266
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 CCSD/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3143 3143 34.41      
2 A1 3069 3069 0.84      
3 A1 3055 3055 30.74      
4 A1 1829 1829 100.06      
5 A1 1522 1522 5.67      
6 A1 1493 1493 10.31      
7 A1 1445 1445 9.49      
8 A1 1379 1379 3.34      
9 A1 1138 1138 1.32      
10 A1 1036 1036 2.14      
11 A1 800 800 0.84      
12 A1 411 411 0.47      
13 A1 198 198 0.43      
14 A2 3151 3151 0.00      
15 A2 3080 3080 0.00      
16 A2 1518 1518 0.00      
17 A2 1284 1284 0.00      
18 A2 1015 1015 0.00      
19 A2 728 728 0.00      
20 A2 229 229 0.00      
21 A2 42i 42i 0.00      
22 B1 3151 3151 53.24      
23 B1 3090 3090 21.64      
24 B1 1518 1518 11.76      
25 B1 1322 1322 1.38      
26 B1 1161 1161 0.18      
27 B1 831 831 5.72      
28 B1 467 467 0.06      
29 B1 212 212 0.26      
30 B1 64 64 0.22      
31 B2 3143 3143 16.59      
32 B2 3068 3068 42.06      
33 B2 3046 3046 10.19      
34 B2 1523 1523 10.38      
35 B2 1481 1481 1.10      
36 B2 1446 1446 1.37      
37 B2 1423 1423 31.57      
38 B2 1166 1166 56.04      
39 B2 1035 1035 11.10      
40 B2 988 988 14.25      
41 B2 635 635 6.61      
42 B2 316 316 11.92      

Unscaled Zero Point Vibrational Energy (zpe) 31282.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 31282.8 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 CCSD/6-311G**
ABC
0.29718 0.06497 0.05550

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.279
C2 0.000 0.000 0.068
C3 0.000 1.296 -0.738
C4 0.000 -1.296 -0.738
C5 0.000 2.548 0.137
C6 0.000 -2.548 0.137
H7 0.877 1.277 -1.401
H8 -0.877 1.277 -1.401
H9 -0.877 -1.277 -1.401
H10 0.877 -1.277 -1.401
H11 0.000 3.451 -0.483
H12 -0.882 2.566 0.784
H13 0.882 2.566 0.784
H14 0.000 -3.451 -0.483
H15 0.882 -2.566 0.784
H16 -0.882 -2.566 0.784

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21162.39762.39762.79222.79223.09573.09573.09573.09573.87482.75862.75863.87482.75862.7586
C21.21161.52581.52582.54902.54902.13442.13442.13442.13443.49462.80672.80673.49462.80672.8067
C32.39761.52582.59141.52803.94221.09931.09932.79732.79732.17032.17032.17034.75354.24394.2439
C42.39761.52582.59143.94221.52802.79732.79731.09931.09934.75354.24394.24392.17032.17032.1703
C52.79222.54901.52803.94225.09602.17992.17994.21474.21471.09541.09411.09416.03095.23005.2300
C62.79222.54903.94221.52805.09604.21474.21472.17992.17996.03095.23005.23001.09541.09411.0941
H73.09572.13441.09932.79732.17994.21471.75313.09722.55332.51783.08752.53754.89514.42094.7579
H83.09572.13441.09932.79732.17994.21471.75312.55333.09722.51782.53753.08754.89514.75794.4209
H93.09572.13442.79731.09934.21472.17993.09722.55331.75314.89514.42094.75792.51783.08752.5375
H103.09572.13442.79731.09934.21472.17992.55333.09721.75314.89514.75794.42092.51782.53753.0875
H113.87483.49462.17034.75351.09546.03092.51782.51784.89514.89511.77931.77936.90196.21226.2122
H122.75862.80672.17034.24391.09415.23003.08752.53754.42094.75791.77931.76476.21225.42755.1326
H132.75862.80672.17034.24391.09415.23002.53753.08754.75794.42091.77931.76476.21225.13265.4275
H143.87483.49464.75352.17036.03091.09544.89514.89512.51782.51786.90196.21226.21221.77931.7793
H152.75862.80674.24392.17035.23001.09414.42094.75793.08752.53756.21225.42755.13261.77931.7647
H162.75862.80674.24392.17035.23001.09414.75794.42092.53753.08756.21225.13265.42751.77931.7647

picture of 3-Pentanone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 C3 121.877 O1 C2 C4 121.877
C2 C3 C5 113.165 C2 C3 H7 107.689
C2 C3 H8 107.689 C2 C4 C6 113.165
C2 C4 H9 107.689 C2 C4 H10 107.689
C3 C2 C4 116.245 C3 C5 H11 110.561
C3 C5 H12 110.633 C3 C5 H13 110.633
C4 C6 H14 110.561 C4 C6 H15 110.633
C4 C6 H16 110.633 C5 C3 H7 111.090
C5 C3 H8 111.090 C6 C4 H9 111.090
C6 C4 H10 111.090 H7 C3 H8 105.763
H9 C4 H10 105.763 H11 C5 H12 108.713
H11 C5 H13 108.713 H12 C5 H13 107.500
H14 C6 H15 108.713 H14 C6 H16 108.713
H15 C6 H16 107.500
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability