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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: M06-2X/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at M06-2X/3-21G
 hartrees
Energy at 0K-191.981674
Energy at 298.15K-191.988058
HF Energy-191.981674
Nuclear repulsion energy118.412872
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 M06-2X/3-21G
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' 3129 3000 9.28      
2 A' 3060 2934 81.73      
3 A' 3049 2923 3.73      
4 A' 3041 2915 37.63      
5 A' 1793 1719 77.75      
6 A' 1560 1496 9.65      
7 A' 1510 1448 19.92      
8 A' 1472 1412 18.00      
9 A' 1461 1400 2.80      
10 A' 1372 1316 14.97      
11 A' 1130 1083 21.59      
12 A' 1029 987 0.78      
13 A' 873 837 20.12      
14 A' 695 667 3.93      
15 A' 294 282 11.17      
16 A" 3119 2991 10.81      
17 A" 3081 2953 1.34      
18 A" 1561 1496 10.18      
19 A" 1314 1260 0.23      
20 A" 1180 1131 0.79      
21 A" 940 902 1.85      
22 A" 710 681 8.50      
23 A" 241 231 1.07      
24 A" 98 94 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 18855.9 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 18077.1 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 M06-2X/3-21G
ABC
0.53271 0.20426 0.15620

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.433 0.401 0.000
C2 0.000 0.947 0.000
C3 -1.003 -0.188 0.000
O4 -0.685 -1.374 0.000
H5 2.163 1.213 0.000
H6 1.595 -0.225 0.881
H7 1.595 -0.225 -0.881
H8 -0.195 1.575 0.880
H9 -0.195 1.575 -0.880
H10 -2.061 0.124 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.53322.50652.76371.09231.09321.09322.19122.19123.5048
C21.53321.51482.41972.17962.16672.16671.09881.09882.2190
C32.50651.51481.22773.46292.74432.74432.12992.12991.1028
O42.76372.41971.22773.84822.70152.70153.11613.11612.0340
H51.09232.17963.46293.84821.77991.77992.54292.54294.3624
H61.09322.16672.74432.70151.77991.76222.53853.08983.7773
H71.09322.16672.74432.70151.77991.76223.08982.53853.7773
H82.19121.09882.12993.11612.54292.53853.08981.76082.5222
H92.19121.09882.12993.11612.54293.08982.53851.76082.5222
H103.50482.21901.10282.03404.36243.77733.77732.52222.5222

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 110.641 C1 C2 H8 111.655
C1 C2 H9 111.655 C2 C1 H5 111.125
C2 C1 H6 110.047 C2 C1 H7 110.047
C2 C3 O4 123.504 C2 C3 H10 115.026
C3 C2 H8 108.103 C3 C2 H9 108.103
O4 C3 H10 121.470 H5 C1 H6 109.060
H5 C1 H7 109.060 H6 C1 H7 107.417
H8 C2 H9 106.494
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.560      
2 C -0.544      
3 C 0.267      
4 O -0.426      
5 H 0.198      
6 H 0.215      
7 H 0.215      
8 H 0.230      
9 H 0.230      
10 H 0.176      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.219 2.518 0.000 2.528
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.879 -1.599 0.000
y -1.599 -28.360 0.000
z 0.000 0.000 -24.316
Traceless
 xyz
x 2.459 -1.599 0.000
y -1.599 -4.262 0.000
z 0.000 0.000 1.803
Polar
3z2-r23.606
x2-y24.481
xy-1.599
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.878 -0.059 0.000
y -0.059 5.153 0.000
z 0.000 0.000 3.535


<r2> (average value of r2) Å2
<r2> 83.457
(<r2>)1/2 9.135