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

using model chemistry: B2PLYP=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/3-21G*
 hartrees
Energy at 0K-269.894822
Energy at 298.15K 
HF Energy-269.695510
Nuclear repulsion energy237.963655
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=FULL/3-21G*
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 3162 3162 24.60      
2 A1 3094 3094 2.41      
3 A1 3072 3072 16.96      
4 A1 1702 1702 37.25      
5 A1 1583 1583 6.56      
6 A1 1537 1537 25.52      
7 A1 1489 1489 9.34      
8 A1 1389 1389 10.53      
9 A1 1140 1140 4.32      
10 A1 1023 1023 1.59      
11 A1 777 777 1.61      
12 A1 423 423 0.33      
13 A1 202 202 0.32      
14 A2 3167 3167 0.00      
15 A2 3093 3093 0.00      
16 A2 1584 1584 0.00      
17 A2 1321 1321 0.00      
18 A2 1067 1067 0.00      
19 A2 752 752 0.00      
20 A2 198 198 0.00      
21 A2 46 46 0.00      
22 B1 3167 3167 39.48      
23 B1 3103 3103 12.19      
24 B1 1585 1585 14.70      
25 B1 1362 1362 0.93      
26 B1 1187 1187 0.51      
27 B1 858 858 13.75      
28 B1 489 489 0.59      
29 B1 165 165 0.15      
30 B1 65 65 0.13      
31 B2 3162 3162 13.92      
32 B2 3094 3094 32.16      
33 B2 3064 3064 8.79      
34 B2 1583 1583 9.59      
35 B2 1530 1530 2.18      
36 B2 1490 1490 11.99      
37 B2 1395 1395 22.75      
38 B2 1153 1153 77.76      
39 B2 1056 1056 5.32      
40 B2 957 957 17.72      
41 B2 635 635 1.65      
42 B2 327 327 17.14      

Unscaled Zero Point Vibrational Energy (zpe) 31622.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 31622.1 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=FULL/3-21G*
ABC
0.28941 0.06550 0.05561

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.292
C2 0.000 0.000 0.050
C3 0.000 1.297 -0.759
C4 0.000 -1.297 -0.759
C5 0.000 2.535 0.153
C6 0.000 -2.535 0.153
H7 0.880 1.292 -1.415
H8 -0.880 1.292 -1.415
H9 -0.880 -1.292 -1.415
H10 0.880 -1.292 -1.415
H11 0.000 3.452 -0.441
H12 -0.881 2.529 0.797
H13 0.881 2.529 0.797
H14 0.000 -3.452 -0.441
H15 0.881 -2.529 0.797
H16 -0.881 -2.529 0.797

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.24162.42622.42622.77922.77923.12563.12563.12563.12563.86272.72302.72303.86272.72302.7230
C21.24161.52831.52832.53712.53712.14242.14242.14242.14243.48722.78012.78013.48722.78012.7801
C32.42621.52832.59321.53783.93861.09721.09722.81172.81172.17932.17192.17194.75974.22284.2228
C42.42621.52832.59323.93861.53782.81172.81171.09721.09724.75974.22284.22282.17932.17192.1719
C52.77922.53711.53783.93865.07012.18532.18534.22844.22841.09251.09181.09186.01685.18015.1801
C62.77922.53713.93861.53785.07014.22844.22842.18532.18536.01685.18015.18011.09251.09181.0918
H73.12562.14241.09722.81172.18534.22841.75913.12632.58452.52783.08602.53464.92304.41534.7533
H83.12562.14241.09722.81172.18534.22841.75912.58453.12632.52782.53463.08604.92304.75334.4153
H93.12562.14242.81171.09724.22842.18533.12632.58451.75914.92304.41534.75332.52783.08602.5346
H103.12562.14242.81171.09724.22842.18532.58453.12631.75914.92304.75334.41532.52782.53463.0860
H113.86273.48722.17934.75971.09256.01682.52782.52784.92304.92301.77831.77836.90506.17126.1712
H122.72302.78012.17194.22281.09185.18013.08602.53464.41534.75331.77831.76206.17125.35555.0574
H132.72302.78012.17194.22281.09185.18012.53463.08604.75334.41531.77831.76206.17125.05745.3555
H143.86273.48724.75972.17936.01681.09254.92304.92302.52782.52786.90506.17126.17121.77831.7783
H152.72302.78014.22282.17195.18011.09184.41534.75333.08602.53466.17125.35555.05741.77831.7620
H162.72302.78014.22282.17195.18011.09184.75334.41532.53463.08606.17125.05745.35551.77831.7620

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 121.965 O1 C2 C4 121.965
C2 C3 C5 111.677 C2 C3 H7 108.248
C2 C3 H8 108.248 C2 C4 C6 111.677
C2 C4 H9 108.248 C2 C4 H10 108.248
C3 C2 C4 116.070 C3 C5 H11 110.758
C3 C5 H12 110.211 C3 C5 H13 110.211
C4 C6 H14 110.758 C4 C6 H15 110.211
C4 C6 H16 110.211 C5 C3 H7 110.954
C5 C3 H8 110.954 C6 C4 H9 110.954
C6 C4 H10 110.954 H7 C3 H8 106.568
H9 C4 H10 106.568 H11 C5 H12 109.001
H11 C5 H13 109.001 H12 C5 H13 107.587
H14 C6 H15 109.001 H14 C6 H16 109.001
H15 C6 H16 107.587
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability