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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: B1B95/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-193.074933
Energy at 298.15K-193.081199
HF Energy-193.074933
Nuclear repulsion energy118.735353
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 B1B95/aug-cc-pVDZ
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' 3166 3033 17.25      
2 A' 3081 2951 16.99      
3 A' 3049 2921 26.66      
4 A' 2918 2795 127.08      
5 A' 1834 1757 173.51      
6 A' 1472 1410 8.52      
7 A' 1430 1370 10.61      
8 A' 1405 1346 17.34      
9 A' 1389 1330 7.30      
10 A' 1357 1300 8.05      
11 A' 1117 1070 10.88      
12 A' 1000 958 0.97      
13 A' 878 841 22.45      
14 A' 669 641 6.27      
15 A' 237 227 9.07      
16 A" 3166 3033 18.58      
17 A" 3082 2952 7.43      
18 A" 1461 1400 7.69      
19 A" 1265 1212 0.28      
20 A" 1135 1087 0.52      
21 A" 893 855 1.33      
22 A" 657 629 3.63      
23 A" 223 213 1.11      
24 A" 123 118 2.12      

Unscaled Zero Point Vibrational Energy (zpe) 18502.7 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 17723.8 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 B1B95/aug-cc-pVDZ
ABC
0.56147 0.19738 0.15432

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.447 0.458 0.000
C2 0.000 0.908 0.000
C3 -0.994 -0.215 0.000
O4 -0.704 -1.386 0.000
H5 2.120 1.321 0.000
H6 1.664 -0.153 0.881
H7 1.664 -0.153 -0.881
H8 -0.236 1.538 0.871
H9 -0.236 1.538 -0.871
H10 -2.064 0.096 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51472.53132.83321.09441.09431.09432.18042.18043.5292
C21.51471.49922.39952.16002.16082.16081.10091.10092.2177
C32.53131.49921.20653.47192.80012.80012.09942.09941.1149
O42.83322.39951.20653.91202.81122.81123.08723.08722.0122
H51.09442.16003.47193.91201.77681.77682.52092.52094.3596
H61.09432.16082.80012.81121.77681.76252.54293.08823.8385
H71.09432.16082.80012.81121.77681.76253.08822.54293.8385
H82.18041.10092.09943.08722.52092.54293.08821.74222.4862
H92.18041.10092.09943.08722.52093.08822.54291.74222.4862
H103.52922.21771.11492.01224.35963.83853.83852.48622.4862

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.252 C1 C2 H8 111.974
C1 C2 H9 111.974 C2 C1 H5 110.733
C2 C1 H6 110.801 C2 C1 H7 110.801
C2 C3 O4 124.602 C2 C3 H10 115.276
C3 C2 H8 106.690 C3 C2 H9 106.690
O4 C3 H10 120.122 H5 C1 H6 108.554
H5 C1 H7 108.554 H6 C1 H7 107.290
H8 C2 H9 104.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.695      
2 C 0.332      
3 C 0.639      
4 O -0.483      
5 H -0.175      
6 H -0.178      
7 H -0.178      
8 H -0.199      
9 H -0.199      
10 H -0.255      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.016 2.783 0.000 2.783
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.217 -1.638 0.000
y -1.638 -28.742 0.000
z 0.000 0.000 -24.314
Traceless
 xyz
x 2.311 -1.638 0.000
y -1.638 -4.476 0.000
z 0.000 0.000 2.165
Polar
3z2-r24.331
x2-y24.525
xy-1.638
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.813 0.045 0.000
y 0.045 6.829 0.000
z 0.000 0.000 5.032


<r2> (average value of r2) Å2
<r2> 84.389
(<r2>)1/2 9.186