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 CH3CH2CHO (Propanal)

using model chemistry: BLYP/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 BLYP/6-311G**
 hartrees
Energy at 0K-193.123185
Energy at 298.15K-193.129391
HF Energy-193.123185
Nuclear repulsion energy117.323098
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 BLYP/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' 3032 3021 25.05      
2 A' 2972 2961 20.53      
3 A' 2922 2910 28.02      
4 A' 2744 2733 181.31      
5 A' 1733 1726 140.68      
6 A' 1468 1462 7.36      
7 A' 1411 1406 16.38      
8 A' 1384 1379 11.88      
9 A' 1368 1363 1.77      
10 A' 1314 1309 12.48      
11 A' 1072 1068 15.13      
12 A' 973 969 1.17      
13 A' 811 808 25.51      
14 A' 652 650 3.89      
15 A' 248 247 8.02      
16 A" 3034 3022 27.06      
17 A" 2937 2926 13.41      
18 A" 1459 1454 7.37      
19 A" 1243 1239 0.33      
20 A" 1108 1103 0.39      
21 A" 878 874 2.07      
22 A" 652 649 3.47      
23 A" 220 219 0.40      
24 A" 119 118 1.31      

Unscaled Zero Point Vibrational Energy (zpe) 17877.4 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 17807.7 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 BLYP/6-311G**
ABC
0.55286 0.19061 0.14958

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.471 0.473 0.000
C2 0.000 0.917 0.000
C3 -1.007 -0.225 0.000
O4 -0.721 -1.408 0.000
H5 2.142 1.343 0.000
H6 1.696 -0.138 0.884
H7 1.696 -0.138 -0.884
H8 -0.236 1.552 0.874
H9 -0.236 1.552 -0.874
H10 -2.081 0.104 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.53672.57462.88861.09861.09821.09822.20082.20083.5710
C21.53671.52242.43382.18382.18452.18451.10621.10622.2337
C32.57461.52241.21673.51772.84552.84552.12542.12541.1233
O42.88862.43381.21673.97052.87022.87023.12423.12422.0336
H51.09862.18383.51773.97051.78181.78182.54202.54204.4005
H61.09822.18452.84552.87021.78181.76832.56743.11173.8868
H71.09822.18452.84552.87021.78181.76833.11172.56743.8868
H82.20081.10622.12543.12422.54202.56743.11171.74842.5026
H92.20081.10622.12543.12422.54203.11172.56741.74842.5026
H103.57102.23371.12332.03364.40053.88683.88682.50262.5026

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.625 C1 C2 H8 111.725
C1 C2 H9 111.725 C2 C1 H5 110.831
C2 C1 H6 110.914 C2 C1 H7 110.914
C2 C3 O4 125.007 C2 C3 H10 114.343
C3 C2 H8 106.840 C3 C2 H9 106.840
O4 C3 H10 120.650 H5 C1 H6 108.408
H5 C1 H7 108.408 H6 C1 H7 107.240
H8 C2 H9 104.418
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.279      
2 C -0.253      
3 C 0.139      
4 O -0.249      
5 H 0.103      
6 H 0.114      
7 H 0.114      
8 H 0.123      
9 H 0.123      
10 H 0.064      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.013 2.471 0.000 2.471
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.705 -1.503 0.000
y -1.503 -28.600 0.000
z 0.000 0.000 -24.614
Traceless
 xyz
x 1.902 -1.503 0.000
y -1.503 -3.941 0.000
z 0.000 0.000 2.038
Polar
3z2-r24.077
x2-y23.895
xy-1.503
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.346 -0.004 0.000
y -0.004 6.295 0.000
z 0.000 0.000 4.463


<r2> (average value of r2) Å2
<r2> 86.544
(<r2>)1/2 9.303