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All results from a given calculation for C5H10O (Pentanal)

using model chemistry: B3LYP/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/aug-cc-pVTZ
 hartrees
Energy at 0K-271.881101
Energy at 298.15K-271.872400
Nuclear repulsion energy230.767112
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-pVTZ
Rotational Constants (cm-1) from geometry optimized at B3LYP/aug-cc-pVTZ
ABC
0.35230 0.04829 0.04383

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.853 -2.054 0.000
C2 -0.333 -1.127 0.000
C3 0.000 0.360 0.000
C4 -1.244 1.249 0.000
C5 -0.911 2.740 0.000
O6 2.007 -1.708 0.000
H7 0.595 -3.134 0.000
H8 -0.947 -1.401 0.868
H9 -0.947 -1.401 -0.868
H10 0.619 0.589 -0.871
H11 0.619 0.589 0.871
H12 -1.858 1.014 0.874
H13 -1.858 1.014 -0.874
H14 -1.816 3.350 0.000
H15 -0.327 3.013 -0.881
H16 -0.327 3.013 0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 O6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
C11.50502.56003.91245.10851.20501.11072.10192.10192.79202.79204.18624.18626.02685.27675.2767
C21.50501.52372.54503.91052.41092.21111.09761.09762.14632.14632.77012.77014.71624.23314.2331
C32.56001.52371.52912.54902.88153.54432.17932.17931.09241.09242.15532.15533.49822.81492.8149
C43.91242.54501.52911.52774.39454.75352.80442.80442.15962.15961.09441.09442.17712.17452.1745
C55.10853.91052.54901.52775.31996.06454.23134.23132.78032.78032.15482.15481.09071.09171.0917
O61.20502.41092.88154.39455.31992.00743.09393.09392.82102.82104.80744.80746.33985.33945.3394
H71.11072.21113.54434.75356.06452.00742.47662.47663.82323.82324.89764.89766.91776.27836.2783
H82.10191.09762.17932.80444.23133.09392.47661.73543.07092.53132.58083.11374.90694.78824.4576
H92.10191.09762.17932.80444.23133.09392.47661.73542.53133.07093.11372.58084.90694.45764.7882
H102.79202.14631.09242.15962.78032.82103.82323.07092.53131.74183.05972.51313.78292.60273.1371
H112.79202.14631.09242.15962.78032.82103.82322.53133.07091.74182.51313.05973.78293.13712.6027
H124.18622.77012.15531.09442.15484.80744.89762.58083.11373.05972.51311.74872.49493.07002.5190
H134.18622.77012.15531.09442.15484.80744.89763.11372.58082.51313.05971.74872.49492.51903.0700
H146.02684.71623.49822.17711.09076.33986.91774.90694.90693.78293.78292.49492.49491.76251.7625
H155.27674.23312.81492.17451.09175.33946.27834.78824.45762.60273.13713.07002.51901.76251.7611
H165.27674.23312.81492.17451.09175.33946.27834.45764.78823.13712.60272.51903.07001.76251.7611

picture of Pentanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 115.390 C1 C2 H8 106.680
C1 C2 H9 106.680 C2 C1 O6 125.292
C2 C1 H7 114.569 C2 C3 C4 112.951
C2 C3 H10 109.143 C2 C3 H11 109.143
C3 C2 H8 111.445 C3 C2 H9 111.445
C3 C4 C5 113.000 C3 C4 H12 109.356
C3 C4 H13 109.356 C4 C3 H10 109.808
C4 C3 H11 109.808 C4 C5 H14 111.407
C4 C5 H15 111.141 C4 C5 H16 111.141
C5 C4 H12 109.418 C5 C4 H13 109.418
O6 C1 H7 120.139 H8 C2 H9 104.480
H10 C3 H11 105.729 H12 C4 H13 106.056
H14 C5 H15 107.721 H14 C5 H16 107.721
H15 C5 H16 107.529
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.112      
2 C -0.195      
3 C 0.077      
4 C -0.179      
5 C -0.772      
6 O -0.653      
7 H 0.354      
8 H 0.172      
9 H 0.172      
10 H 0.148      
11 H 0.148      
12 H 0.146      
13 H 0.146      
14 H 0.170      
15 H 0.188      
16 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.792 -0.019 0.000 2.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.145 4.217 0.000
y 4.217 -37.681 0.000
z 0.000 0.000 -37.706
Traceless
 xyz
x -8.452 4.217 0.000
y 4.217 4.245 0.000
z 0.000 0.000 4.207
Polar
3z2-r28.413
x2-y2-8.465
xy4.217
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.341 -0.601 0.000
y -0.601 11.590 0.000
z 0.000 0.000 8.098


<r2> (average value of r2) Å2
<r2> 253.593
(<r2>)1/2 15.925