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

using model chemistry: QCISD/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 QCISD/cc-pVDZ
 hartrees
Energy at 0K-271.009816
Energy at 298.15K 
HF Energy-270.052475
Nuclear repulsion energy237.739032
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 QCISD/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 3155 3027 30.68      
2 A1 3073 2948 0.72      
3 A1 3056 2932 33.23      
4 A1 1812 1739 99.31      
5 A1 1497 1437 5.18      
6 A1 1467 1407 9.12      
7 A1 1424 1366 8.55      
8 A1 1367 1312 3.03      
9 A1 1130 1084 0.90      
10 A1 1035 993 2.25      
11 A1 795 763 0.99      
12 A1 412 395 0.42      
13 A1 196 188 0.39      
14 A2 3162 3034 0.00      
15 A2 3087 2961 0.00      
16 A2 1492 1432 0.00      
17 A2 1268 1217 0.00      
18 A2 1004 963 0.00      
19 A2 718 689 0.00      
20 A2 231 221 0.00      
21 A2 24 23 0.00      
22 B1 3163 3034 45.48      
23 B1 3096 2970 23.27      
24 B1 1493 1432 10.57      
25 B1 1308 1255 0.97      
26 B1 1145 1099 0.14      
27 B1 821 788 6.77      
28 B1 470 451 0.02      
29 B1 210 201 0.25      
30 B1 68 65 0.18      
31 B2 3155 3027 16.34      
32 B2 3072 2947 41.07      
33 B2 3048 2924 11.85      
34 B2 1499 1438 11.97      
35 B2 1455 1395 0.94      
36 B2 1429 1371 11.10      
37 B2 1410 1353 17.62      
38 B2 1159 1111 54.62      
39 B2 1029 987 15.05      
40 B2 988 948 10.88      
41 B2 628 603 6.68      
42 B2 314 302 12.26      

Unscaled Zero Point Vibrational Energy (zpe) 31181.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 29915.5 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 QCISD/cc-pVDZ
ABC
0.29407 0.06471 0.05523

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.285
C2 0.000 0.000 0.065
C3 0.000 1.299 -0.741
C4 0.000 -1.299 -0.741
C5 0.000 2.552 0.138
C6 0.000 -2.552 0.138
H7 0.882 1.281 -1.412
H8 -0.882 1.281 -1.412
H9 -0.882 -1.281 -1.412
H10 0.882 -1.281 -1.412
H11 0.000 3.465 -0.482
H12 -0.889 2.570 0.792
H13 0.889 2.570 0.792
H14 0.000 -3.465 -0.482
H15 0.889 -2.570 0.792
H16 -0.889 -2.570 0.792

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21992.40692.40692.79752.79753.11373.11373.11373.11373.88962.76372.76373.88962.76372.7637
C21.21991.52901.52902.55272.55272.14522.14522.14522.14523.50782.81472.81473.50782.81472.8147
C32.40691.52902.59861.53023.95001.10841.10842.80842.80842.18092.18042.18044.77114.25564.2556
C42.40691.52902.59863.95001.53022.80842.80841.10841.10844.77114.25564.25562.18092.18042.1804
C52.79752.55271.53023.95005.10322.19002.19004.22754.22751.10421.10351.10356.04835.23905.2390
C62.79752.55273.95001.53025.10324.22754.22752.19002.19006.04835.23905.23901.10421.10351.1035
H73.11372.14521.10842.80842.19004.22751.76363.11052.56232.53193.10722.55334.91594.43724.7775
H83.11372.14521.10842.80842.19004.22751.76362.56233.11052.53192.55333.10724.91594.77754.4372
H93.11372.14522.80841.10844.22752.19003.11052.56231.76364.91594.43724.77752.53193.10722.5533
H103.11372.14522.80841.10844.22752.19002.56233.11051.76364.91594.77754.43722.53192.55333.1072
H113.88963.50782.18094.77111.10426.04832.53192.53194.91594.91591.79301.79306.92966.23156.2315
H122.76372.81472.18044.25561.10355.23903.10722.55334.43724.77751.79301.77796.23155.43865.1398
H132.76372.81472.18044.25561.10355.23902.55333.10724.77754.43721.79301.77796.23155.13985.4386
H143.88963.50784.77112.18096.04831.10424.91594.91592.53192.53196.92966.23156.23151.79301.7930
H152.76372.81474.25562.18045.23901.10354.43724.77753.10722.55336.23155.43865.13981.79301.7779
H162.76372.81474.25562.18045.23901.10354.77754.43722.55333.10726.23155.13985.43861.79301.7779

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 121.816 O1 C2 C4 121.816
C2 C3 C5 113.110 C2 C3 H7 107.783
C2 C3 H8 107.783 C2 C4 C6 113.110
C2 C4 H9 107.783 C2 C4 H10 107.783
C3 C2 C4 116.367 C3 C5 H11 110.721
C3 C5 H12 110.724 C3 C5 H13 110.724
C4 C6 H14 110.721 C4 C6 H15 110.724
C4 C6 H16 110.724 C5 C3 H7 111.189
C5 C3 H8 111.189 C6 C4 H9 111.189
C6 C4 H10 111.189 H7 C3 H8 105.410
H9 C4 H10 105.410 H11 C5 H12 108.616
H11 C5 H13 108.616 H12 C5 H13 107.337
H14 C6 H15 108.616 H14 C6 H16 108.616
H15 C6 H16 107.337
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability