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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-191.974757
Energy at 298.15K-191.981291
HF Energy-191.974757
Nuclear repulsion energy119.305474
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/6-31G(2df,p)
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' 3252 2945 31.78 62.11 0.75 0.86
2 A' 3184 2883 19.19 126.82 0.01 0.03
3 A' 3158 2859 42.37 92.93 0.08 0.15
4 A' 3077 2786 112.73 110.28 0.43 0.60
5 A' 2017 1826 195.96 8.04 0.47 0.64
6 A' 1616 1463 6.38 7.48 0.75 0.86
7 A' 1579 1430 6.98 9.65 0.75 0.86
8 A' 1548 1401 13.21 8.90 0.65 0.78
9 A' 1530 1386 8.49 4.38 0.55 0.71
10 A' 1495 1354 4.12 0.88 0.33 0.50
11 A' 1195 1082 18.22 3.36 0.40 0.57
12 A' 1067 966 1.62 4.46 0.70 0.82
13 A' 905 819 15.71 12.46 0.17 0.29
14 A' 718 650 12.93 1.36 0.73 0.85
15 A' 275 249 9.96 0.43 0.36 0.53
16 A" 3262 2954 31.45 36.57 0.75 0.86
17 A" 3183 2882 16.60 87.08 0.75 0.86
18 A" 1611 1459 4.58 14.05 0.75 0.86
19 A" 1392 1260 0.15 4.68 0.75 0.86
20 A" 1265 1145 0.02 1.35 0.75 0.86
21 A" 981 888 2.57 3.80 0.75 0.86
22 A" 730 661 1.45 1.92 0.75 0.86
23 A" 252 228 0.80 0.66 0.75 0.86
24 A" 148 134 4.25 0.90 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19718.5 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 17855.1 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 HF/6-31G(2df,p)
ABC
0.56924 0.19717 0.15466

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.454 0.452 0.000
C2 0.000 0.908 0.000
C3 -0.996 -0.224 0.000
O4 -0.714 -1.372 0.000
H5 2.120 1.308 0.000
H6 1.669 -0.151 0.875
H7 1.669 -0.151 -0.875
H8 -0.222 1.530 0.867
H9 -0.222 1.530 -0.867
H10 -2.049 0.092 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52362.54142.83321.08501.08391.08392.17292.17293.5215
C21.52361.50762.38872.15772.16152.16151.08971.08972.2057
C32.54141.50761.18163.47252.80592.80592.10412.10411.0995
O42.83322.38871.18163.90092.81722.81723.06823.06821.9806
H51.08502.15773.47253.90091.76001.76002.50712.50714.3432
H61.08392.16152.80592.81721.76001.74922.53023.07143.8275
H71.08392.16152.80592.81721.76001.74923.07142.53023.8275
H82.17291.08972.10413.06822.50712.53023.07141.73312.4817
H92.17291.08972.10413.06822.50713.07142.53021.73312.4817
H103.52152.20571.09951.98064.34323.82753.82752.48172.4817

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.943 C1 C2 H8 111.416
C1 C2 H9 111.416 C2 C1 H5 110.483
C2 C1 H6 110.851 C2 C1 H7 110.851
C2 C3 O4 124.866 C2 C3 H10 114.660
C3 C2 H8 107.111 C3 C2 H9 107.111
O4 C3 H10 120.474 H5 C1 H6 108.483
H5 C1 H7 108.483 H6 C1 H7 107.592
H8 C2 H9 105.350
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.403      
2 C -0.328      
3 C 0.236      
4 O -0.350      
5 H 0.136      
6 H 0.152      
7 H 0.152      
8 H 0.146      
9 H 0.146      
10 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.182 2.774 0.000 2.780
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.750 -1.812 0.000
y -1.812 -28.590 0.000
z 0.000 0.000 -24.013
Traceless
 xyz
x 2.552 -1.812 0.000
y -1.812 -4.709 0.000
z 0.000 0.000 2.157
Polar
3z2-r24.315
x2-y24.840
xy-1.812
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.378 0.002 0.000
y 0.002 5.469 0.000
z 0.000 0.000 4.089


<r2> (average value of r2) Å2
<r2> 83.980
(<r2>)1/2 9.164