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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: wB97X-D/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/3-21G
 hartrees
Energy at 0K-192.022738
Energy at 298.15K-192.029085
HF Energy-192.022738
Nuclear repulsion energy118.224176
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 wB97X-D/3-21G
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' 3182 3182 14.09      
2 A' 3106 3106 11.92      
3 A' 3076 3076 15.59      
4 A' 2951 2951 127.15      
5 A' 1783 1783 79.99      
6 A' 1565 1565 10.54      
7 A' 1511 1511 24.13      
8 A' 1481 1481 18.25      
9 A' 1450 1450 4.34      
10 A' 1382 1382 14.97      
11 A' 1134 1134 22.30      
12 A' 1037 1037 0.88      
13 A' 863 863 21.39      
14 A' 694 694 3.10      
15 A' 270 270 10.83      
16 A" 3183 3183 14.32      
17 A" 3109 3109 4.23      
18 A" 1571 1571 11.06      
19 A" 1328 1328 0.16      
20 A" 1180 1180 1.08      
21 A" 947 947 2.53      
22 A" 706 706 9.41      
23 A" 229 229 0.51      
24 A" 104 104 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 18920.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18920.0 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 wB97X-D/3-21G
ABC
0.53996 0.20048 0.15458

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.441 0.421 0.000
C2 0.000 0.937 0.000
C3 -1.000 -0.197 0.000
O4 -0.698 -1.385 0.000
H5 2.153 1.250 0.000
H6 1.621 -0.199 0.882
H7 1.621 -0.199 -0.882
H8 -0.201 1.564 0.880
H9 -0.201 1.564 -0.880
H10 -2.055 0.132 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.53112.51822.80041.09301.09311.09312.18612.18613.5088
C21.53111.51192.42562.17592.16732.16731.09881.09882.2075
C32.51821.51191.22633.46942.76542.76542.12452.12451.1057
O42.80042.42561.22633.88332.75062.75063.11813.11812.0360
H51.09302.17593.46943.88331.77831.77832.53282.53284.3547
H61.09312.16732.76542.75061.77831.76432.53573.08773.7954
H71.09312.16732.76542.75061.77831.76433.08772.53573.7954
H82.18611.09882.12453.11812.53282.53573.08771.75932.5027
H92.18611.09882.12453.11812.53283.08772.53571.75932.5027
H103.50882.20751.10572.03604.35473.79543.79542.50272.5027

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 111.691 C1 C2 H8 111.390
C1 C2 H9 111.390 C2 C1 H5 110.928
C2 C1 H6 110.244 C2 C1 H7 110.244
C2 C3 O4 124.368 C2 C3 H10 114.086
C3 C2 H8 107.880 C3 C2 H9 107.880
O4 C3 H10 121.546 H5 C1 H6 108.867
H5 C1 H7 108.867 H6 C1 H7 107.611
H8 C2 H9 106.367
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.602      
2 C -0.562      
3 C 0.262      
4 O -0.426      
5 H 0.209      
6 H 0.227      
7 H 0.227      
8 H 0.241      
9 H 0.241      
10 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.154 2.529 0.000 2.534
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.730 -1.632 0.000
y -1.632 -28.081 0.000
z 0.000 0.000 -24.059
Traceless
 xyz
x 2.340 -1.632 0.000
y -1.632 -4.186 0.000
z 0.000 0.000 1.847
Polar
3z2-r23.693
x2-y24.351
xy-1.632
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.938 -0.050 0.000
y -0.050 5.202 0.000
z 0.000 0.000 3.590


<r2> (average value of r2) Å2
<r2> 83.943
(<r2>)1/2 9.162