return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/aug-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 B3LYP/aug-cc-pVDZ
 hartrees
Energy at 0K-271.816788
Energy at 298.15K 
HF Energy-271.816788
Nuclear repulsion energy238.063069
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 B3LYP/aug-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 3118 3025 31.91      
2 A1 3047 2957 1.26      
3 A1 3025 2936 29.10      
4 A1 1770 1718 133.80      
5 A1 1473 1430 7.48      
6 A1 1442 1399 16.81      
7 A1 1396 1355 10.71      
8 A1 1342 1302 5.09      
9 A1 1110 1077 2.17      
10 A1 1021 991 1.92      
11 A1 780 757 2.06      
12 A1 407 395 0.54      
13 A1 193 188 1.02      
14 A2 3124 3031 0.00      
15 A2 3042 2951 0.00      
16 A2 1465 1421 0.00      
17 A2 1250 1213 0.00      
18 A2 990 961 0.00      
19 A2 701 680 0.00      
20 A2 197 191 0.00      
21 A2 21 21 0.00      
22 B1 3124 3032 47.39      
23 B1 3054 2963 18.56      
24 B1 1465 1422 13.76      
25 B1 1296 1257 0.54      
26 B1 1129 1095 0.07      
27 B1 815 791 8.60      
28 B1 466 452 0.01      
29 B1 179 173 0.30      
30 B1 68 66 0.35      
31 B2 3117 3025 13.25      
32 B2 3046 2956 48.85      
33 B2 3015 2925 16.05      
34 B2 1473 1430 12.19      
35 B2 1429 1386 1.90      
36 B2 1395 1353 0.24      
37 B2 1376 1335 33.33      
38 B2 1135 1101 54.07      
39 B2 1003 974 13.81      
40 B2 966 938 19.74      
41 B2 618 599 3.72      
42 B2 303 295 12.22      

Unscaled Zero Point Vibrational Energy (zpe) 30690.9 cm-1
Scaled (by 0.9704) Zero Point Vibrational Energy (zpe) 29782.4 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 B3LYP/aug-cc-pVDZ
ABC
0.29674 0.06444 0.05510

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVDZ

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 0.074
C3 0.000 1.295 -0.728
C4 0.000 -1.295 -0.728
C5 0.000 2.561 0.124
C6 0.000 -2.561 0.124
H7 0.875 1.269 -1.399
H8 -0.875 1.269 -1.399
H9 -0.875 -1.269 -1.399
H10 0.875 -1.269 -1.399
H11 0.000 3.454 -0.515
H12 -0.884 2.598 0.773
H13 0.884 2.598 0.773
H14 0.000 -3.454 -0.515
H15 0.884 -2.598 0.773
H16 -0.884 -2.598 0.773

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21782.39982.39982.81472.81473.10173.10173.10173.10173.89822.79252.79253.89822.79252.7925
C21.21781.52341.52342.56152.56152.13262.13262.13262.13263.50392.83152.83153.50392.83152.8315
C32.39981.52342.58951.52663.94891.10271.10272.79112.79112.16972.17582.17584.75354.26464.2646
C42.39981.52342.58953.94891.52662.79112.79111.10271.10274.75354.26464.26462.16972.17582.1758
C52.81472.56151.52663.94895.12202.18052.18054.21414.21411.09831.09731.09736.04885.27385.2738
C62.81472.56153.94891.52665.12204.21414.21412.18052.18056.04885.27385.27381.09831.09731.0973
H73.10172.13261.10272.79112.18054.21411.74953.08322.53882.51383.09482.54654.88434.43554.7715
H83.10172.13261.10272.79112.18054.21411.74952.53883.08322.51382.54653.09484.88434.77154.4355
H93.10172.13262.79111.10274.21412.18053.08322.53881.74954.88434.43554.77152.51383.09482.5465
H103.10172.13262.79111.10274.21412.18052.53883.08321.74954.88434.77154.43552.51382.54653.0948
H113.89823.50392.16974.75351.09836.04882.51382.51384.88434.88431.78181.78186.90796.25006.2500
H122.79252.83152.17584.26461.09735.27383.09482.54654.43554.77151.78181.76806.25005.48775.1951
H132.79252.83152.17584.26461.09735.27382.54653.09484.77154.43551.78181.76806.25005.19515.4877
H143.89823.50394.75352.16976.04881.09834.88434.88432.51382.51386.90796.25006.25001.78181.7818
H152.79252.83154.26462.17585.27381.09734.43554.77153.09482.54656.25005.48775.19511.78181.7680
H162.79252.83154.26462.17585.27381.09734.77154.43552.54653.09486.25005.19515.48771.78181.7680

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 121.798 O1 C2 C4 121.798
C2 C3 C5 114.245 C2 C3 H7 107.520
C2 C3 H8 107.520 C2 C4 C6 114.245
C2 C4 H9 107.520 C2 C4 H10 107.520
C3 C2 C4 116.404 C3 C5 H11 110.439
C3 C5 H12 110.979 C3 C5 H13 110.979
C4 C6 H14 110.439 C4 C6 H15 110.979
C4 C6 H16 110.979 C5 C3 H7 111.035
C5 C3 H8 111.035 C6 C4 H9 111.035
C6 C4 H10 111.035 H7 C3 H8 104.986
H9 C4 H10 104.986 H11 C5 H12 108.497
H11 C5 H13 108.497 H12 C5 H13 107.342
H14 C6 H15 108.497 H14 C6 H16 108.497
H15 C6 H16 107.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.569      
2 C 0.021      
3 C 0.790      
4 C 0.790      
5 C 0.894      
6 C 0.894      
7 H -0.328      
8 H -0.328      
9 H -0.328      
10 H -0.328      
11 H -0.258      
12 H -0.248      
13 H -0.248      
14 H -0.258      
15 H -0.248      
16 H -0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -2.821 2.821
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.547 0.000 0.000
y 0.000 -37.517 0.000
z 0.000 0.000 -42.159
Traceless
 xyz
x 2.291 0.000 0.000
y 0.000 2.336 0.000
z 0.000 0.000 -4.627
Polar
3z2-r2-9.254
x2-y2-0.029
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.097 0.000 0.000
y 0.000 11.772 0.000
z 0.000 0.000 9.991


<r2> (average value of r2) Å2
<r2> 217.404
(<r2>)1/2 14.745