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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVDZ
 hartrees
Energy at 0K-271.499897
Energy at 298.15K 
HF Energy-271.201932
Nuclear repulsion energy238.432068
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/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 3159 3028 27.86      
2 A1 3076 2949 1.80      
3 A1 3053 2927 29.45      
4 A1 1784 1710 101.09      
5 A1 1489 1428 5.66      
6 A1 1454 1393 11.71      
7 A1 1413 1354 9.92      
8 A1 1356 1299 5.80      
9 A1 1124 1077 1.20      
10 A1 1032 989 2.16      
11 A1 791 758 1.69      
12 A1 412 395 0.45      
13 A1 197 189 0.48      
14 A2 3164 3033 0.00      
15 A2 3079 2951 0.00      
16 A2 1482 1420 0.00      
17 A2 1263 1211 0.00      
18 A2 1001 959 0.00      
19 A2 714 685 0.00      
20 A2 218 209 0.00      
21 A2 26 25 0.00      
22 B1 3165 3033 39.80      
23 B1 3089 2961 21.49      
24 B1 1482 1421 12.20      
25 B1 1306 1252 0.69      
26 B1 1139 1092 0.21      
27 B1 824 790 9.22      
28 B1 471 451 0.05      
29 B1 193 185 0.26      
30 B1 69 66 0.17      
31 B2 3158 3027 14.69      
32 B2 3076 2948 42.15      
33 B2 3044 2918 12.55      
34 B2 1490 1428 12.59      
35 B2 1439 1380 1.43      
36 B2 1413 1354 1.70      
37 B2 1397 1339 29.15      
38 B2 1150 1102 59.49      
39 B2 1019 977 15.66      
40 B2 984 943 14.61      
41 B2 626 600 4.72      
42 B2 313 300 12.85      

Unscaled Zero Point Vibrational Energy (zpe) 31065.3 cm-1
Scaled (by 0.9585) Zero Point Vibrational Energy (zpe) 29776.1 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/cc-pVDZ
ABC
0.29614 0.06502 0.05551

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.283
C2 0.000 0.000 0.064
C3 0.000 1.296 -0.736
C4 0.000 -1.296 -0.736
C5 0.000 2.546 0.136
C6 0.000 -2.546 0.136
H7 0.877 1.276 -1.408
H8 -0.877 1.276 -1.408
H9 -0.877 -1.276 -1.408
H10 0.877 -1.276 -1.408
H11 0.000 3.455 -0.482
H12 -0.884 2.566 0.789
H13 0.884 2.566 0.789
H14 0.000 -3.455 -0.482
H15 0.884 -2.566 0.789
H16 -0.884 -2.566 0.789

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21932.39942.39942.79212.79213.10473.10473.10473.10473.87972.75902.75903.87972.75902.7590
C21.21931.52291.52292.54682.54682.13612.13612.13612.13613.49772.80952.80953.49772.80952.8095
C32.39941.52292.59151.52443.93941.10471.10472.79872.79872.17392.17302.17304.75744.24544.2454
C42.39941.52292.59153.93941.52442.79872.79871.10471.10474.75744.24544.24542.17392.17302.1730
C52.79212.54681.52443.93945.09152.18332.18334.21404.21401.09961.09911.09916.03245.22885.2288
C62.79212.54683.93941.52445.09154.21404.21402.18332.18336.03245.22885.22881.09961.09911.0991
H73.10472.13611.10472.79872.18334.21401.75303.09572.55152.52473.09722.54814.89944.42594.7633
H83.10472.13611.10472.79872.18334.21401.75302.55153.09572.52472.54813.09724.89944.76334.4259
H93.10472.13612.79871.10474.21402.18333.09572.55151.75304.89944.42594.76332.52473.09722.5481
H103.10472.13612.79871.10474.21402.18332.55153.09571.75304.89944.76334.42592.52472.54813.0972
H113.87973.49772.17394.75741.09966.03242.52472.52474.89944.89941.78521.78526.90966.21706.2170
H122.75902.80952.17304.24541.09915.22883.09722.54814.42594.76331.78521.76836.21705.42875.1326
H132.75902.80952.17304.24541.09915.22882.54813.09724.76334.42591.78521.76836.21705.13265.4287
H143.87973.49774.75742.17396.03241.09964.89944.89942.52472.52476.90966.21706.21701.78521.7852
H152.75902.80954.24542.17305.22881.09914.42594.76333.09722.54816.21705.42875.13261.78521.7683
H162.75902.80954.24542.17305.22881.09914.76334.42592.54813.09726.21705.13265.42871.78521.7683

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 121.695 O1 C2 C4 121.695
C2 C3 C5 113.385 C2 C3 H7 107.710
C2 C3 H8 107.710 C2 C4 C6 113.385
C2 C4 H9 107.710 C2 C4 H10 107.710
C3 C2 C4 116.609 C3 C5 H11 110.847
C3 C5 H12 110.805 C3 C5 H13 110.805
C4 C6 H14 110.847 C4 C6 H15 110.805
C4 C6 H16 110.805 C5 C3 H7 111.290
C5 C3 H8 111.290 C6 C4 H9 111.290
C6 C4 H10 111.290 H7 C3 H8 105.024
H9 C4 H10 105.024 H11 C5 H12 108.573
H11 C5 H13 108.573 H12 C5 H13 107.120
H14 C6 H15 108.573 H14 C6 H16 108.573
H15 C6 H16 107.120
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability