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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-269.695504
Nuclear repulsion energy237.944436
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 3011 24.56      
2 A1 3095 2946 2.43      
3 A1 3072 2925 16.95      
4 A1 1701 1620 37.17      
5 A1 1583 1507 6.55      
6 A1 1537 1463 25.56      
7 A1 1489 1417 9.32      
8 A1 1389 1322 10.52      
9 A1 1139 1085 4.33      
10 A1 1022 973 1.58      
11 A1 777 740 1.61      
12 A1 423 402 0.33      
13 A1 202 192 0.32      
14 A2 3167 3015 0.00      
15 A2 3094 2945 0.00      
16 A2 1584 1508 0.00      
17 A2 1321 1257 0.00      
18 A2 1066 1015 0.00      
19 A2 752 716 0.00      
20 A2 197 188 0.00      
21 A2 44 42 0.00      
22 B1 3168 3016 39.47      
23 B1 3104 2955 12.16      
24 B1 1584 1508 14.70      
25 B1 1362 1296 0.92      
26 B1 1187 1130 0.51      
27 B1 858 817 13.75      
28 B1 489 465 0.59      
29 B1 164 156 0.15      
30 B1 65 62 0.14      
31 B2 3162 3010 13.93      
32 B2 3094 2946 32.07      
33 B2 3064 2917 8.76      
34 B2 1583 1507 9.57      
35 B2 1530 1457 2.18      
36 B2 1489 1418 11.99      
37 B2 1395 1328 22.71      
38 B2 1153 1098 77.84      
39 B2 1056 1005 5.33      
40 B2 956 910 17.63      
41 B2 635 604 1.65      
42 B2 327 311 17.13      

Unscaled Zero Point Vibrational Energy (zpe) 31620.1 cm-1
Scaled (by 0.952) Zero Point Vibrational Energy (zpe) 30102.3 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
0.28943 0.06548 0.05560

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 1.291
C2 0.000 0.000 0.050
C3 0.000 1.297 -0.759
C4 0.000 -1.297 -0.759
C5 0.000 2.536 0.153
C6 0.000 -2.536 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 3.453 -0.441
H12 -0.881 2.529 0.797
H13 0.881 2.529 0.797
H14 0.000 -3.453 -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
O11.24172.42632.42632.77962.77963.12563.12563.12563.12563.86292.72332.72333.86292.72332.7233
C21.24171.52841.52842.53762.53762.14232.14232.14232.14233.48752.78052.78053.48752.78052.7805
C32.42631.52842.59351.53813.93921.09721.09722.81212.81212.17942.17202.17204.76024.22334.2233
C42.42631.52842.59353.93921.53812.81212.81211.09721.09724.76024.22334.22332.17942.17202.1720
C52.77962.53761.53813.93925.07102.18542.18544.22904.22901.09241.09181.09186.01765.18095.1809
C62.77962.53763.93921.53815.07104.22904.22902.18542.18546.01765.18095.18091.09241.09181.0918
H73.12562.14231.09722.81212.18544.22901.75913.12672.58492.52783.08602.53464.92344.41584.7538
H83.12562.14231.09722.81212.18544.22901.75912.58493.12672.52782.53463.08604.92344.75384.4158
H93.12562.14232.81211.09724.22902.18543.12672.58491.75914.92344.41584.75382.52783.08602.5346
H103.12562.14232.81211.09724.22902.18542.58493.12671.75914.92344.75384.41582.52782.53463.0860
H113.86293.48752.17944.76021.09246.01762.52782.52784.92344.92341.77831.77836.90566.17196.1719
H122.72332.78052.17204.22331.09185.18093.08602.53464.41584.75381.77831.76196.17195.35625.0582
H132.72332.78052.17204.22331.09185.18092.53463.08604.75384.41581.77831.76196.17195.05825.3562
H143.86293.48754.76022.17946.01761.09244.92344.92342.52782.52786.90566.17196.17191.77831.7783
H152.72332.78054.22332.17205.18091.09184.41584.75383.08602.53466.17195.35625.05821.77831.7619
H162.72332.78054.22332.17205.18091.09184.75384.41582.53463.08606.17195.05825.35621.77831.7619

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 121.957 O1 C2 C4 121.957
C2 C3 C5 111.691 C2 C3 H7 108.243
C2 C3 H8 108.243 C2 C4 C6 111.691
C2 C4 H9 108.243 C2 C4 H10 108.243
C3 C2 C4 116.086 C3 C5 H11 110.751
C3 C5 H12 110.204 C3 C5 H13 110.204
C4 C6 H14 110.751 C4 C6 H15 110.204
C4 C6 H16 110.204 C5 C3 H7 110.946
C5 C3 H8 110.946 C6 C4 H9 110.946
C6 C4 H10 110.946 H7 C3 H8 106.579
H9 C4 H10 106.579 H11 C5 H12 109.012
H11 C5 H13 109.012 H12 C5 H13 107.588
H14 C6 H15 109.012 H14 C6 H16 109.012
H15 C6 H16 107.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability