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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: HF/SDD

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/SDD
 hartrees
Energy at 0K-191.892853
Energy at 298.15K-191.899357
HF Energy-191.892853
Nuclear repulsion energy118.216051
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/SDD
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' 3296 2968 45.30 56.61 0.75 0.86
2 A' 3222 2901 51.91 267.74 0.02 0.04
3 A' 3213 2893 119.63 54.14 0.28 0.44
4 A' 3189 2872 8.88 71.30 0.44 0.62
5 A' 1887 1699 173.41 10.96 0.28 0.44
6 A' 1649 1485 10.04 7.67 0.75 0.86
7 A' 1622 1460 21.29 16.63 0.75 0.86
8 A' 1577 1420 10.62 2.05 0.20 0.33
9 A' 1541 1388 7.00 8.38 0.69 0.81
10 A' 1508 1358 12.65 3.52 0.50 0.66
11 A' 1216 1095 18.30 6.47 0.45 0.62
12 A' 1113 1002 2.53 6.00 0.71 0.83
13 A' 918 827 11.88 17.17 0.19 0.32
14 A' 717 646 15.04 3.09 0.75 0.86
15 A' 274 247 12.31 0.96 0.55 0.71
16 A" 3310 2980 51.90 34.12 0.75 0.86
17 A" 3233 2911 22.54 85.50 0.75 0.86
18 A" 1643 1479 9.43 14.92 0.75 0.86
19 A" 1403 1263 0.87 10.88 0.75 0.86
20 A" 1274 1147 0.63 0.70 0.75 0.86
21 A" 996 897 2.21 2.43 0.75 0.86
22 A" 767 690 5.53 2.62 0.75 0.86
23 A" 237 214 1.09 0.67 0.75 0.86
24 A" 131 118 7.11 1.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19967.4 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 17978.7 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/SDD
ABC
0.55787 0.19410 0.15191

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.461 0.457 0.000
C2 0.000 0.916 0.000
C3 -1.004 -0.210 0.000
O4 -0.720 -1.396 0.000
H5 2.125 1.314 0.000
H6 1.679 -0.145 0.873
H7 1.679 -0.145 -0.873
H8 -0.210 1.539 0.867
H9 -0.210 1.539 -0.867
H10 -2.049 0.093 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.53192.55362.86241.08381.08251.08252.17162.17163.5296
C21.53191.50852.42222.16162.16962.16961.08751.08752.2086
C32.55361.50851.21993.47982.82152.82152.10662.10661.0889
O42.86242.42221.21993.92932.84262.84263.10243.10241.9964
H51.08382.16163.47983.92931.75811.75812.50082.50084.3491
H61.08252.16962.82152.84261.75811.74562.53073.07083.8364
H71.08252.16962.82152.84261.75811.74563.07082.53073.8364
H82.17161.08752.10663.10242.50082.53073.07081.73342.4947
H92.17161.08752.10663.10242.50083.07082.53071.73342.4947
H103.52962.20861.08891.99644.34913.83643.83642.49472.4947

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.251 C1 C2 H8 110.861
C1 C2 H9 110.861 C2 C1 H5 110.284
C2 C1 H6 111.000 C2 C1 H7 111.000
C2 C3 O4 124.854 C2 C3 H10 115.549
C3 C2 H8 107.371 C3 C2 H9 107.371
O4 C3 H10 119.597 H5 C1 H6 108.492
H5 C1 H7 108.492 H6 C1 H7 107.470
H8 C2 H9 105.685
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.538      
2 C -0.361      
3 C 0.148      
4 O -0.359      
5 H 0.177      
6 H 0.194      
7 H 0.194      
8 H 0.193      
9 H 0.193      
10 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.294 3.507 0.000 3.519
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.622 -2.266 0.000
y -2.266 -30.358 0.000
z 0.000 0.000 -24.510
Traceless
 xyz
x 3.812 -2.266 0.000
y -2.266 -6.292 0.000
z 0.000 0.000 2.480
Polar
3z2-r24.960
x2-y26.736
xy-2.266
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.757 -0.114 0.000
y -0.114 5.441 0.000
z 0.000 0.000 3.727


<r2> (average value of r2) Å2
<r2> 85.477
(<r2>)1/2 9.245