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

using model chemistry: CCSD/6-31G*

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/6-31G*
 hartrees
Energy at 0K-270.916182
Energy at 298.15K 
HF Energy-270.031219
Nuclear repulsion energy238.628321
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/6-31G*
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 3160 2984 31.21      
2 A1 3085 2913 1.25      
3 A1 3059 2889 26.12      
4 A1 1835 1733 85.64      
5 A1 1549 1463 8.70      
6 A1 1527 1442 10.95      
7 A1 1471 1389 9.63      
8 A1 1404 1326 3.07      
9 A1 1150 1086 1.61      
10 A1 1051 993 2.64      
11 A1 808 763 0.97      
12 A1 419 396 0.39      
13 A1 201 190 0.53      
14 A2 3170 2994 0.00      
15 A2 3084 2912 0.00      
16 A2 1545 1459 0.00      
17 A2 1299 1227 0.00      
18 A2 1036 978 0.00      
19 A2 742 701 0.00      
20 A2 225 213 0.00      
21 A2 34 32 0.00      
22 B1 3171 2994 43.20      
23 B1 3094 2922 22.43      
24 B1 1545 1459 11.53      
25 B1 1338 1263 1.22      
26 B1 1179 1114 0.11      
27 B1 843 796 9.12      
28 B1 471 445 0.03      
29 B1 208 197 0.27      
30 B1 66 62 0.20      
31 B2 3159 2983 14.36      
32 B2 3085 2913 39.82      
33 B2 3051 2881 8.20      
34 B2 1549 1463 10.39      
35 B2 1516 1432 1.14      
36 B2 1471 1389 0.30      
37 B2 1446 1365 35.19      
38 B2 1180 1114 57.38      
39 B2 1053 994 5.95      
40 B2 999 944 13.55      
41 B2 640 604 6.74      
42 B2 322 304 13.26      

Unscaled Zero Point Vibrational Energy (zpe) 31620.9 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 29859.6 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/6-31G*
ABC
0.29624 0.06516 0.05561

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.282
C2 0.000 0.000 0.061
C3 0.000 1.295 -0.738
C4 0.000 -1.295 -0.738
C5 0.000 2.543 0.139
C6 0.000 -2.543 0.139
H7 0.875 1.281 -1.406
H8 -0.875 1.281 -1.406
H9 -0.875 -1.281 -1.406
H10 0.875 -1.281 -1.406
H11 0.000 3.448 -0.479
H12 -0.883 2.563 0.786
H13 0.883 2.563 0.786
H14 0.000 -3.448 -0.479
H15 0.883 -2.563 0.786
H16 -0.883 -2.563 0.786

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.22172.39992.39992.78802.78803.10373.10373.10373.10373.87192.75552.75553.87192.75552.7555
C21.22171.52161.52162.54402.54402.13492.13492.13492.13493.48992.80602.80603.48992.80602.8060
C32.39991.52162.59011.52523.93681.10081.10082.80172.80172.16832.17032.17034.75004.24104.2410
C42.39991.52162.59013.93681.52522.80172.80171.10081.10084.75004.24104.24102.16832.17032.1703
C52.78802.54401.52523.93685.08562.17792.17794.21614.21611.09631.09481.09486.02255.22165.2216
C62.78802.54403.93681.52525.08564.21614.21612.17792.17796.02255.22165.22161.09631.09481.0948
H73.10372.13491.10082.80172.17794.21611.75063.10352.56262.51353.08832.53914.89784.42514.7615
H83.10372.13491.10082.80172.17794.21611.75062.56263.10352.51352.53913.08834.89784.76154.4251
H93.10372.13492.80171.10084.21612.17793.10352.56261.75064.89784.42514.76152.51353.08832.5391
H103.10372.13492.80171.10084.21612.17792.56263.10351.75064.89784.76154.42512.51352.53913.0883
H113.87193.48992.16834.75001.09636.02252.51352.51354.89784.89781.77901.77906.89576.20566.2056
H122.75552.80602.17034.24101.09485.22163.08832.53914.42514.76151.77901.76536.20565.42105.1255
H132.75552.80602.17034.24101.09485.22162.53913.08834.76154.42511.77901.76536.20565.12555.4210
H143.87193.48994.75002.16836.02251.09634.89784.89782.51352.51356.89576.20566.20561.77901.7790
H152.75552.80604.24102.17035.22161.09484.42514.76153.08832.53916.20565.42105.12551.77901.7653
H162.75552.80604.24102.17035.22161.09484.76154.42512.53913.08836.20565.12555.42101.77901.7653

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 121.668 O1 C2 C4 121.668
C2 C3 C5 113.222 C2 C3 H7 107.920
C2 C3 H8 107.920 C2 C4 C6 113.222
C2 C4 H9 107.920 C2 C4 H10 107.920
C3 C2 C4 116.664 C3 C5 H11 110.538
C3 C5 H12 110.794 C3 C5 H13 110.794
C4 C6 H14 110.538 C4 C6 H15 110.794
C4 C6 H16 110.794 C5 C3 H7 111.035
C5 C3 H8 111.035 C6 C4 H9 111.035
C6 C4 H10 111.035 H7 C3 H8 105.335
H9 C4 H10 105.335 H11 C5 H12 108.577
H11 C5 H13 108.577 H12 C5 H13 107.465
H14 C6 H15 108.577 H14 C6 H16 108.577
H15 C6 H16 107.465
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability