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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: HF/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/aug-cc-pVQZ
 hartrees
Energy at 0K-192.039251
Energy at 298.15K-192.045788
HF Energy-192.039251
Nuclear repulsion energy119.401910
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 HF/aug-cc-pVQZ
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' 3233 2937 32.54 56.38 0.75 0.86
2 A' 3174 2883 20.50 194.12 0.01 0.01
3 A' 3147 2859 47.64 128.32 0.05 0.10
4 A' 3070 2789 104.92 122.72 0.38 0.55
5 A' 1991 1809 228.80 12.00 0.44 0.61
6 A' 1617 1469 7.11 2.54 0.74 0.85
7 A' 1577 1433 8.82 4.62 0.75 0.86
8 A' 1548 1407 14.94 4.51 0.56 0.72
9 A' 1531 1391 8.43 3.75 0.28 0.44
10 A' 1498 1361 4.08 0.63 0.12 0.21
11 A' 1198 1088 17.07 2.71 0.26 0.41
12 A' 1070 972 1.78 3.28 0.67 0.80
13 A' 902 819 16.81 13.63 0.13 0.23
14 A' 719 653 12.99 1.00 0.73 0.85
15 A' 273 248 9.97 0.63 0.28 0.44
16 A" 3243 2947 35.37 31.85 0.75 0.86
17 A" 3166 2876 15.88 79.52 0.75 0.86
18 A" 1609 1462 6.09 4.85 0.75 0.86
19 A" 1395 1267 0.21 1.74 0.75 0.86
20 A" 1264 1148 0.07 0.52 0.75 0.86
21 A" 985 895 1.58 2.39 0.75 0.86
22 A" 730 663 1.84 1.02 0.75 0.86
23 A" 251 228 0.74 0.35 0.75 0.86
24 A" 146 133 5.32 0.72 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19667.6 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 17868.0 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 HF/aug-cc-pVQZ
ABC
0.57498 0.19606 0.15435

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.455 0.463 0.000
C2 0.000 0.902 0.000
C3 -0.994 -0.228 0.000
O4 -0.717 -1.375 0.000
H5 2.109 1.326 0.000
H6 1.679 -0.136 0.873
H7 1.679 -0.136 -0.873
H8 -0.227 1.521 0.864
H9 -0.227 1.521 -0.864
H10 -2.045 0.086 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52022.54422.84581.08251.08141.08142.16782.16783.5202
C21.52021.50422.38762.15092.15832.15831.08741.08742.2016
C32.54421.50421.18063.46932.81332.81332.09562.09561.0968
O42.84582.38761.18063.90922.83602.83603.06213.06211.9739
H51.08252.15093.46933.90921.75521.75522.49872.49874.3346
H61.08142.15832.81332.83601.75521.74522.52603.06563.8313
H71.08142.15832.81332.83601.75521.74523.06562.52603.8313
H82.16781.08742.09563.06212.49872.52603.06561.72892.4719
H92.16781.08742.09563.06212.49873.06562.52601.72892.4719
H103.52022.20161.09681.97394.33463.83133.83132.47192.4719

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.541 C1 C2 H8 111.395
C1 C2 H9 111.395 C2 C1 H5 110.331
C2 C1 H6 110.990 C2 C1 H7 110.990
C2 C3 O4 125.132 C2 C3 H10 114.753
C3 C2 H8 106.820 C3 C2 H9 106.820
O4 C3 H10 120.115 H5 C1 H6 108.415
H5 C1 H7 108.415 H6 C1 H7 107.598
H8 C2 H9 105.310
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.741      
2 C -0.461      
3 C 0.222      
4 O -0.713      
5 H 0.304      
6 H 0.223      
7 H 0.223      
8 H 0.258      
9 H 0.258      
10 H 0.427      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.130 2.977 0.000 2.979
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.954 -1.877 0.000
y -1.877 -29.169 0.000
z 0.000 0.000 -24.322
Traceless
 xyz
x 2.792 -1.877 0.000
y -1.877 -5.031 0.000
z 0.000 0.000 2.239
Polar
3z2-r24.478
x2-y25.215
xy-1.877
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.164 0.011 0.000
y 0.011 6.207 0.000
z 0.000 0.000 4.756


<r2> (average value of r2) Å2
<r2> 84.296
(<r2>)1/2 9.181