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

using model chemistry: CCSD(T)/cc-pVDZ

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(T)/cc-pVDZ
 hartrees
Energy at 0K-271.037845
Energy at 298.15K 
HF Energy-270.051716
Nuclear repulsion energy237.433294
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(T)/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3143 3076        
2 A1 3058 2993        
3 A1 3037 2972        
4 A1 1785 1748        
5 A1 1488 1456        
6 A1 1455 1424        
7 A1 1411 1381        
8 A1 1351 1322        
9 A1 1120 1096        
10 A1 1026 1004        
11 A1 787 770        
12 A1 408 399        
13 A1 193 189        
14 A2 3149 3082        
15 A2 3068 3003        
16 A2 1483 1452        
17 A2 1257 1230        
18 A2 994 973        
19 A2 711 696        
20 A2 229 224        
21 A2 37 37        
22 B1 3149 3083        
23 B1 3078 3012        
24 B1 1483 1452        
25 B1 1296 1268        
26 B1 1133 1109        
27 B1 813 795        
28 B1 465 455        
29 B1 206 201        
30 B1 68 66        
31 B2 3142 3075        
32 B2 3057 2992        
33 B2 3028 2964        
34 B2 1489 1457        
35 B2 1443 1412        
36 B2 1413 1383        
37 B2 1396 1366        
38 B2 1148 1123        
39 B2 1019 997        
40 B2 980 959        
41 B2 622 609        
42 B2 311 304        

Unscaled Zero Point Vibrational Energy (zpe) 30961.6 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 30305.2 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(T)/cc-pVDZ
ABC
0.29294 0.06461 0.05513

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.287
C2 0.000 0.000 0.063
C3 0.000 1.301 -0.743
C4 0.000 -1.301 -0.743
C5 0.000 2.553 0.140
C6 0.000 -2.553 0.140
H7 0.883 1.283 -1.416
H8 -0.883 1.283 -1.416
H9 -0.883 -1.283 -1.416
H10 0.883 -1.283 -1.416
H11 0.000 3.469 -0.478
H12 -0.890 2.568 0.795
H13 0.890 2.568 0.795
H14 0.000 -3.469 -0.478
H15 0.890 -2.568 0.795
H16 -0.890 -2.568 0.795

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22352.41132.41132.79872.79873.11933.11933.11933.11933.89242.76222.76223.89242.76222.7622
C21.22351.53111.53112.55432.55432.14812.14812.14812.14813.51112.81472.81473.51112.81472.8147
C32.41131.53112.60301.53203.95451.11011.11012.81322.81322.18372.18202.18204.77794.25804.2580
C42.41131.53112.60303.95451.53202.81322.81321.11011.11014.77794.25804.25802.18372.18202.1820
C52.79872.55431.53203.95455.10622.19382.19384.23324.23321.10541.10481.10486.05395.23905.2390
C62.79872.55433.95451.53205.10624.23324.23322.19382.19386.05395.23905.23901.10541.10481.1048
H73.11932.14811.11012.81322.19384.23321.76633.11592.56692.53673.11122.55634.92394.44064.7816
H83.11932.14811.11012.81322.19384.23321.76632.56693.11592.53672.55633.11124.92394.78164.4406
H93.11932.14812.81321.11014.23322.19383.11592.56691.76634.92394.44064.78162.53673.11122.5563
H103.11932.14812.81321.11014.23322.19382.56693.11591.76634.92394.78164.44062.53672.55633.1112
H113.89243.51112.18374.77791.10546.05392.53672.53674.92394.92391.79571.79576.93816.23386.2338
H122.76222.81472.18204.25801.10485.23903.11122.55634.44064.78161.79571.78036.23385.43605.1362
H132.76222.81472.18204.25801.10485.23902.55633.11124.78164.44061.79571.78036.23385.13625.4360
H143.89243.51114.77792.18376.05391.10544.92394.92392.53672.53676.93816.23386.23381.79571.7957
H152.76222.81474.25802.18205.23901.10484.44064.78163.11122.55636.23385.43605.13621.79571.7803
H162.76222.81474.25802.18205.23901.10484.78164.44062.55633.11126.23385.13625.43601.79571.7803

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 121.783 O1 C2 C4 121.783
C2 C3 C5 112.999 C2 C3 H7 107.771
C2 C3 H8 107.771 C2 C4 C6 112.999
C2 C4 H9 107.771 C2 C4 H10 107.771
C3 C2 C4 116.434 C3 C5 H11 110.738
C3 C5 H12 110.646 C3 C5 H13 110.646
C4 C6 H14 110.738 C4 C6 H15 110.646
C4 C6 H16 110.646 C5 C3 H7 111.258
C5 C3 H8 111.258 C6 C4 H9 111.258
C6 C4 H10 111.258 H7 C3 H8 105.410
H9 C4 H10 105.410 H11 C5 H12 108.676
H11 C5 H13 108.676 H12 C5 H13 107.361
H14 C6 H15 108.676 H14 C6 H16 108.676
H15 C6 H16 107.361
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability