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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-36.467558
Energy at 298.15K-36.473795
HF Energy-36.467558
Nuclear repulsion energy65.483343
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/CEP-31G
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' 3135 3036 49.86      
2 A' 3051 2954 24.76      
3 A' 3020 2924 59.64      
4 A' 2941 2848 141.13      
5 A' 1674 1621 114.97      
6 A' 1512 1464 10.73      
7 A' 1470 1423 25.27      
8 A' 1433 1388 12.78      
9 A' 1396 1352 5.23      
10 A' 1362 1319 9.64      
11 A' 1114 1079 14.71      
12 A' 1020 988 1.75      
13 A' 853 826 17.77      
14 A' 656 636 5.87      
15 A' 247 239 10.24      
16 A" 3143 3044 57.76      
17 A" 3055 2959 25.72      
18 A" 1503 1456 9.66      
19 A" 1271 1231 0.77      
20 A" 1131 1095 2.76      
21 A" 891 863 1.57      
22 A" 681 660 11.47      
23 A" 210 204 1.05      
24 A" 122 118 3.97      

Unscaled Zero Point Vibrational Energy (zpe) 18446.4 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 17863.5 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/CEP-31G
ABC
0.53438 0.18870 0.14714

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.476 0.466 0.000
C2 0.000 0.938 0.000
C3 -1.016 -0.210 0.000
O4 -0.721 -1.429 0.000
H5 2.160 1.332 0.000
H6 1.691 -0.152 0.888
H7 1.691 -0.152 -0.888
H8 -0.222 1.572 0.882
H9 -0.222 1.572 -0.882
H10 -2.091 0.098 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.55002.58302.90181.10381.10251.10252.21062.21063.5861
C21.55001.53322.47442.19602.19862.19861.10901.10902.2530
C32.58301.53321.25443.53142.84972.84972.14152.14151.1177
O42.90182.47441.25443.99102.87002.87003.16803.16802.0516
H51.10382.19603.53143.99101.79191.79192.55162.55164.4266
H61.10252.19862.84972.87001.79191.77532.57523.12463.8925
H71.10252.19862.84972.87001.79191.77533.12462.57523.8925
H82.21061.10902.14153.16802.55162.57523.12461.76402.5383
H92.21061.10902.14153.16802.55163.12462.57521.76402.5383
H103.58612.25301.11772.05164.42663.89253.89252.53832.5383

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.803 C1 C2 H8 111.399
C1 C2 H9 111.399 C2 C1 H5 110.559
C2 C1 H6 110.842 C2 C1 H7 110.842
C2 C3 O4 124.854 C2 C3 H10 115.509
C3 C2 H8 107.198 C3 C2 H9 107.198
O4 C3 H10 119.636 H5 C1 H6 108.623
H5 C1 H7 108.623 H6 C1 H7 107.249
H8 C2 H9 105.370
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.474      
2 C -0.074      
3 C -0.248      
4 O -0.116      
5 H 0.155      
6 H 0.158      
7 H 0.158      
8 H 0.137      
9 H 0.137      
10 H 0.167      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.193 3.298 0.000 3.303
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.380 -2.139 0.000
y -2.139 -29.407 0.000
z 0.000 0.000 -24.052
Traceless
 xyz
x 3.350 -2.139 0.000
y -2.139 -5.692 0.000
z 0.000 0.000 2.342
Polar
3z2-r24.684
x2-y26.028
xy-2.139
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.297 0.049 0.000
y 0.049 5.751 0.000
z 0.000 0.000 3.807


<r2> (average value of r2) Å2
<r2> 73.549
(<r2>)1/2 8.576