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

using model chemistry: MP2=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/TZVP
 hartrees
Energy at 0K-271.162261
Energy at 298.15K 
HF Energy-270.121991
Nuclear repulsion energy239.560795
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 MP2=FULL/TZVP
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 3187 3036 24.33      
2 A1 3097 2951 2.10      
3 A1 3083 2937 23.81      
4 A1 1760 1677 76.64      
5 A1 1523 1451 6.07      
6 A1 1486 1416 14.43      
7 A1 1442 1374 11.60      
8 A1 1375 1310 5.51      
9 A1 1140 1086 1.29      
10 A1 1039 990 2.21      
11 A1 800 762 2.17      
12 A1 415 396 0.38      
13 A1 199 190 0.58      
14 A2 3193 3042 0.00      
15 A2 3118 2970 0.00      
16 A2 1517 1445 0.00      
17 A2 1276 1216 0.00      
18 A2 1006 959 0.00      
19 A2 729 695 0.00      
20 A2 230 219 0.00      
21 A2 72i 68i 0.00      
22 B1 3193 3042 39.23      
23 B1 3128 2980 14.64      
24 B1 1517 1445 13.70      
25 B1 1316 1254 1.99      
26 B1 1158 1104 0.32      
27 B1 835 795 6.19      
28 B1 455 434 0.02      
29 B1 214 204 0.26      
30 B1 56 53 0.25      
31 B2 3187 3036 13.54      
32 B2 3097 2950 40.15      
33 B2 3074 2929 9.48      
34 B2 1523 1451 10.44      
35 B2 1473 1403 1.41      
36 B2 1442 1374 0.22      
37 B2 1412 1345 34.51      
38 B2 1164 1109 50.66      
39 B2 1032 983 11.67      
40 B2 989 943 17.59      
41 B2 635 605 3.35      
42 B2 315 300 10.54      

Unscaled Zero Point Vibrational Energy (zpe) 31377.0 cm-1
Scaled (by 0.9527) Zero Point Vibrational Energy (zpe) 29892.8 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 MP2=FULL/TZVP
ABC
0.29737 0.06566 0.05599

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.290
C2 0.000 0.000 0.070
C3 0.000 1.286 -0.733
C4 0.000 -1.286 -0.733
C5 0.000 2.536 0.128
C6 0.000 -2.536 0.128
H7 0.872 1.261 -1.393
H8 -0.872 1.261 -1.393
H9 -0.872 -1.261 -1.393
H10 0.872 -1.261 -1.393
H11 0.000 3.429 -0.495
H12 -0.877 2.561 0.771
H13 0.877 2.561 0.771
H14 0.000 -3.429 -0.495
H15 0.877 -2.561 0.771
H16 -0.877 -2.561 0.771

Atom - Atom Distances (Å)
  O1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O11.21952.39662.39662.78942.78943.08953.08953.08953.08953.86582.75632.75633.86582.75632.7563
C21.21951.51591.51592.53672.53672.11902.11902.11902.11903.47542.79642.79643.47542.79642.7964
C32.39661.51592.57121.51823.91741.09361.09362.77142.77142.15662.15852.15854.72074.22244.2224
C42.39661.51592.57123.91741.51822.77142.77141.09361.09364.72074.22244.22242.15662.15852.1585
C52.78942.53671.51823.91745.07212.16762.16764.18224.18221.08901.08811.08815.99765.21195.2119
C62.78942.53673.91741.51825.07214.18224.18222.16762.16765.99765.21195.21191.08901.08811.0881
H73.08952.11901.09362.77142.16764.18221.74373.06622.52212.50323.07122.52444.85424.39224.7276
H83.08952.11901.09362.77142.16764.18221.74372.52213.06622.50322.52443.07124.85424.72764.3922
H93.08952.11902.77141.09364.18222.16763.06622.52211.74374.85424.39224.72762.50323.07122.5244
H103.08952.11902.77141.09364.18222.16762.52213.06621.74374.85424.72764.39222.50322.52443.0712
H113.86583.47542.15664.72071.08905.99762.50322.50324.85424.85421.76831.76836.85826.18516.1851
H122.75632.79642.15854.22241.08815.21193.07122.52444.39224.72761.76831.75456.18515.41435.1221
H132.75632.79642.15854.22241.08815.21192.52443.07124.72764.39221.76831.75456.18515.12215.4143
H143.86583.47544.72072.15665.99761.08904.85424.85422.50322.50326.85826.18516.18511.76831.7683
H152.75632.79644.22242.15855.21191.08814.39224.72763.07122.52446.18515.41435.12211.76831.7545
H162.75632.79644.22242.15855.21191.08814.72764.39222.52443.07126.18515.12215.41431.76831.7545

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 121.994 O1 C2 C4 121.994
C2 C3 C5 113.456 C2 C3 H7 107.492
C2 C3 H8 107.492 C2 C4 C6 113.456
C2 C4 H9 107.492 C2 C4 H10 107.492
C3 C2 C4 116.012 C3 C5 H11 110.540
C3 C5 H12 110.744 C3 C5 H13 110.744
C4 C6 H14 110.540 C4 C6 H15 110.744
C4 C6 H16 110.744 C5 C3 H7 111.138
C5 C3 H8 111.138 C6 C4 H9 111.138
C6 C4 H10 111.138 H7 C3 H8 105.735
H9 C4 H10 105.735 H11 C5 H12 108.631
H11 C5 H13 108.631 H12 C5 H13 107.456
H14 C6 H15 108.631 H14 C6 H16 108.631
H15 C6 H16 107.456
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability