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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: PBE1PBE/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-311G**
 hartrees
Energy at 0K-192.967993
Energy at 298.15K-192.974320
HF Energy-192.967993
Nuclear repulsion energy118.824483
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 PBE1PBE/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3146 3018 18.65      
2 A' 3067 2943 16.45      
3 A' 3032 2909 24.33      
4 A' 2889 2772 144.79      
5 A' 1853 1778 161.27      
6 A' 1497 1436 9.78      
7 A' 1445 1386 12.95      
8 A' 1419 1361 20.24      
9 A' 1406 1349 2.34      
10 A' 1367 1312 13.28      
11 A' 1121 1075 14.19      
12 A' 1007 966 1.05      
13 A' 871 835 23.63      
14 A' 679 652 5.97      
15 A' 255 245 9.04      
16 A" 3146 3018 19.55      
17 A" 3060 2936 8.56      
18 A" 1488 1428 9.14      
19 A" 1278 1226 0.20      
20 A" 1146 1099 0.40      
21 A" 905 869 2.52      
22 A" 666 639 4.41      
23 A" 232 223 0.65      
24 A" 130 124 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 18551.8 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 17798.6 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 PBE1PBE/6-311G**
ABC
0.56171 0.19757 0.15441

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.447 0.455 0.000
C2 0.000 0.909 0.000
C3 -0.994 -0.217 0.000
O4 -0.705 -1.383 0.000
H5 2.126 1.311 0.000
H6 1.662 -0.157 0.879
H7 1.662 -0.157 -0.879
H8 -0.232 1.541 0.870
H9 -0.232 1.541 -0.870
H10 -2.062 0.101 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51662.53202.83081.09231.09221.09222.18032.18033.5265
C21.51661.50232.39872.16372.16132.16131.09921.09922.2144
C32.53201.50231.20133.47422.79842.79842.10372.10371.1140
O42.83082.39871.20133.90852.80752.80753.08683.08682.0106
H51.09232.16373.47423.90851.77231.77232.52402.52404.3590
H61.09222.16132.79842.80751.77231.75732.54343.08633.8347
H71.09222.16132.79842.80751.77231.75733.08632.54343.8347
H82.18031.09922.10373.08682.52402.54343.08631.73912.4849
H92.18031.09922.10373.08682.52403.08632.54341.73912.4849
H103.52652.21441.11402.01064.35903.83473.83472.48492.4849

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.004 C1 C2 H8 111.929
C1 C2 H9 111.929 C2 C1 H5 111.017
C2 C1 H6 110.836 C2 C1 H7 110.836
C2 C3 O4 124.677 C2 C3 H10 114.832
C3 C2 H8 106.900 C3 C2 H9 106.900
O4 C3 H10 120.491 H5 C1 H6 108.449
H5 C1 H7 108.449 H6 C1 H7 107.123
H8 C2 H9 104.567
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.335      
2 C -0.334      
3 C 0.175      
4 O -0.285      
5 H 0.125      
6 H 0.137      
7 H 0.137      
8 H 0.149      
9 H 0.149      
10 H 0.083      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.076 2.597 0.000 2.598
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.057 -1.592 0.000
y -1.592 -28.275 0.000
z 0.000 0.000 -24.211
Traceless
 xyz
x 2.186 -1.592 0.000
y -1.592 -4.141 0.000
z 0.000 0.000 1.955
Polar
3z2-r23.911
x2-y24.218
xy-1.592
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.941 -0.043 0.000
y -0.043 5.982 0.000
z 0.000 0.000 4.295


<r2> (average value of r2) Å2
<r2> 84.189
(<r2>)1/2 9.175