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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: mPW1PW91/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/TZVP
 hartrees
Energy at 0K-193.164107
Energy at 298.15K-193.170442
HF Energy-193.164107
Nuclear repulsion energy118.834629
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 mPW1PW91/TZVP
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' 3150 3005 17.26      
2 A' 3073 2932 16.47      
3 A' 3037 2898 23.53      
4 A' 2904 2770 130.41      
5 A' 1842 1758 168.83      
6 A' 1503 1434 9.80      
7 A' 1455 1388 13.23      
8 A' 1432 1366 20.44      
9 A' 1418 1352 2.46      
10 A' 1374 1311 12.03      
11 A' 1123 1071 13.93      
12 A' 1012 966 0.94      
13 A' 866 827 24.02      
14 A' 681 650 5.39      
15 A' 254 243 8.84      
16 A" 3151 3006 18.18      
17 A" 3065 2924 7.37      
18 A" 1497 1428 8.75      
19 A" 1285 1226 0.34      
20 A" 1152 1099 0.38      
21 A" 910 868 2.29      
22 A" 669 638 3.88      
23 A" 229 218 0.51      
24 A" 134 128 2.37      

Unscaled Zero Point Vibrational Energy (zpe) 18607.4 cm-1
Scaled (by 0.954) Zero Point Vibrational Energy (zpe) 17751.4 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 mPW1PW91/TZVP
ABC
0.56564 0.19636 0.15393

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.449 0.463 0.000
C2 0.000 0.906 0.000
C3 -0.992 -0.219 0.000
O4 -0.710 -1.387 0.000
H5 2.117 1.325 0.000
H6 1.671 -0.144 0.877
H7 1.671 -0.144 -0.877
H8 -0.234 1.534 0.868
H9 -0.234 1.534 -0.868
H10 -2.057 0.096 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51562.53532.84361.09021.08991.08992.17612.17613.5257
C21.51561.50032.40052.15772.16012.16011.09701.09702.2106
C32.53531.50031.20163.47152.80542.80542.09872.09871.1106
O42.84362.40051.20163.91752.82582.82583.08493.08492.0042
H51.09022.15773.47153.91751.76841.76842.51452.51454.3508
H61.08992.16012.80542.82581.76841.75482.53943.08143.8378
H71.08992.16012.80542.82581.76841.75483.08142.53943.8378
H82.17611.09702.09873.08492.51452.53943.08141.73602.4789
H92.17611.09702.09873.08492.51453.08142.53941.73602.4789
H103.52572.21061.11062.00424.35083.83783.83782.47892.4789

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.418 C1 C2 H8 111.807
C1 C2 H9 111.807 C2 C1 H5 110.741
C2 C1 H6 110.947 C2 C1 H7 110.947
C2 C3 O4 124.996 C2 C3 H10 114.886
C3 C2 H8 106.779 C3 C2 H9 106.779
O4 C3 H10 120.118 H5 C1 H6 108.427
H5 C1 H7 108.427 H6 C1 H7 107.228
H8 C2 H9 104.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.359      
2 C -0.159      
3 C 0.092      
4 O -0.276      
5 H 0.123      
6 H 0.128      
7 H 0.128      
8 H 0.128      
9 H 0.128      
10 H 0.066      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.039 2.782 0.000 2.782
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.090 -1.675 0.000
y -1.675 -28.665 0.000
z 0.000 0.000 -24.201
Traceless
 xyz
x 2.343 -1.675 0.000
y -1.675 -4.519 0.000
z 0.000 0.000 2.176
Polar
3z2-r24.352
x2-y24.575
xy-1.675
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.146 -0.033 0.000
y -0.033 6.334 0.000
z 0.000 0.000 4.553


<r2> (average value of r2) Å2
<r2> 84.433
(<r2>)1/2 9.189