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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: HF/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-191.966517
Energy at 298.15K-191.973029
HF Energy-191.966517
Nuclear repulsion energy119.064007
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/6-31+G**
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' 3262 2950 32.96 69.26 0.75 0.86
2 A' 3196 2890 22.43 163.66 0.01 0.02
3 A' 3170 2866 56.95 118.55 0.06 0.11
4 A' 3117 2819 96.55 121.68 0.49 0.66
5 A' 2004 1812 229.94 12.43 0.44 0.62
6 A' 1620 1465 8.00 5.80 0.75 0.86
7 A' 1583 1432 8.65 8.33 0.72 0.83
8 A' 1554 1405 12.76 6.51 0.60 0.75
9 A' 1534 1387 9.50 5.34 0.52 0.68
10 A' 1502 1359 4.83 1.18 0.09 0.16
11 A' 1200 1085 17.17 3.67 0.40 0.57
12 A' 1075 972 1.80 4.82 0.69 0.82
13 A' 910 823 15.40 12.91 0.18 0.30
14 A' 718 649 13.48 1.49 0.75 0.86
15 A' 273 247 10.75 0.56 0.34 0.51
16 A" 3275 2961 34.47 40.44 0.75 0.86
17 A" 3193 2888 17.53 92.62 0.75 0.86
18 A" 1614 1459 6.18 11.14 0.75 0.86
19 A" 1393 1260 0.49 4.20 0.75 0.86
20 A" 1262 1141 0.01 1.01 0.75 0.86
21 A" 984 890 1.99 3.91 0.75 0.86
22 A" 733 663 1.54 2.35 0.75 0.86
23 A" 248 224 0.76 0.65 0.75 0.86
24 A" 138 125 5.59 1.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19779.4 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 17884.5 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/6-31+G**
ABC
0.56926 0.19584 0.15383

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.456 0.459 0.000
C2 0.000 0.906 0.000
C3 -0.997 -0.223 0.000
O4 -0.717 -1.379 0.000
H5 2.115 1.321 0.000
H6 1.679 -0.141 0.874
H7 1.679 -0.141 -0.874
H8 -0.224 1.528 0.867
H9 -0.224 1.528 -0.867
H10 -2.049 0.085 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52352.54602.84611.08501.08371.08372.17162.17163.5255
C21.52351.50622.39542.15502.16342.16341.08971.08972.2077
C32.54601.50621.18983.47352.81582.81582.10112.10111.0969
O42.84612.39541.18983.91272.83452.83453.07353.07351.9803
H51.08502.15503.47353.91271.75901.75902.50232.50234.3436
H61.08372.16342.81582.83451.75901.74882.53093.07193.8359
H71.08372.16342.81582.83451.75901.74883.07192.53093.8359
H82.17161.08972.10113.07352.50232.53093.07191.73332.4831
H92.17161.08972.10113.07352.50233.07192.53091.73332.4831
H103.52552.20771.09691.98034.34363.83593.83592.48312.4831

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.349 C1 C2 H8 111.324
C1 C2 H9 111.324 C2 C1 H5 110.280
C2 C1 H6 111.028 C2 C1 H7 111.028
C2 C3 O4 124.955 C2 C3 H10 115.106
C3 C2 H8 106.976 C3 C2 H9 106.976
O4 C3 H10 119.938 H5 C1 H6 108.405
H5 C1 H7 108.405 H6 C1 H7 107.590
H8 C2 H9 105.368
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.437      
2 C -0.218      
3 C 0.284      
4 O -0.458      
5 H 0.131      
6 H 0.146      
7 H 0.146      
8 H 0.149      
9 H 0.149      
10 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.201 3.109 0.000 3.115
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.015 -1.988 0.000
y -1.988 -29.633 0.000
z 0.000 0.000 -24.487
Traceless
 xyz
x 3.045 -1.988 0.000
y -1.988 -5.382 0.000
z 0.000 0.000 2.337
Polar
3z2-r24.674
x2-y25.618
xy-1.988
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.538 -0.076 0.000
y -0.076 5.958 0.000
z 0.000 0.000 4.283


<r2> (average value of r2) Å2
<r2> 84.673
(<r2>)1/2 9.202