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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: BLYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/TZVP
 hartrees
Energy at 0K-193.141087
Energy at 298.15K-193.147302
HF Energy-193.141087
Nuclear repulsion energy117.328386
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 BLYP/TZVP
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' 3036 3029 21.40      
2 A' 2977 2970 19.67      
3 A' 2926 2918 26.71      
4 A' 2760 2753 159.92      
5 A' 1724 1719 151.69      
6 A' 1468 1465 7.60      
7 A' 1415 1411 17.19      
8 A' 1390 1386 14.21      
9 A' 1378 1374 0.61      
10 A' 1319 1316 12.38      
11 A' 1074 1072 13.73      
12 A' 977 974 1.50      
13 A' 811 809 26.16      
14 A' 653 652 3.59      
15 A' 246 246 7.94      
16 A" 3040 3032 23.20      
17 A" 2941 2934 10.52      
18 A" 1462 1458 7.41      
19 A" 1247 1244 0.54      
20 A" 1111 1108 0.48      
21 A" 881 878 1.84      
22 A" 653 651 3.12      
23 A" 217 216 0.40      
24 A" 125 124 1.75      

Unscaled Zero Point Vibrational Energy (zpe) 17913.6 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 17868.9 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 BLYP/TZVP
ABC
0.55723 0.18941 0.14914

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.473 0.483 0.000
C2 0.000 0.911 0.000
C3 -1.004 -0.228 0.000
O4 -0.725 -1.413 0.000
H5 2.131 1.361 0.000
H6 1.707 -0.124 0.884
H7 1.707 -0.124 -0.884
H8 -0.241 1.545 0.873
H9 -0.241 1.545 -0.873
H10 -2.076 0.100 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.53422.57722.90261.09751.09701.09702.19732.19733.5698
C21.53421.51852.43482.17812.18302.18301.10511.10512.2289
C32.57721.51851.21793.51492.85332.85332.11802.11801.1210
O42.90262.43481.21793.98162.89072.89073.12173.12172.0289
H51.09752.17813.51493.98161.77921.77922.53442.53444.3921
H61.09702.18302.85332.89071.77921.76732.56483.10863.8912
H71.09702.18302.85332.89071.77921.76733.10862.56483.8912
H82.19731.10512.11803.12172.53442.56483.10861.74582.4931
H92.19731.10512.11803.12172.53443.10862.56481.74582.4931
H103.56982.22891.12102.02894.39213.89123.89122.49312.4931

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 115.180 C1 C2 H8 111.689
C1 C2 H9 111.689 C2 C1 H5 110.621
C2 C1 H6 111.042 C2 C1 H7 111.042
C2 C3 O4 125.339 C2 C3 H10 114.387
C3 C2 H8 106.598 C3 C2 H9 106.598
O4 C3 H10 120.274 H5 C1 H6 108.345
H5 C1 H7 108.345 H6 C1 H7 107.323
H8 C2 H9 104.348
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.350      
2 C -0.146      
3 C 0.071      
4 O -0.252      
5 H 0.119      
6 H 0.124      
7 H 0.124      
8 H 0.124      
9 H 0.124      
10 H 0.062      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.038 2.694 0.000 2.695
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.889 -1.616 0.000
y -1.616 -29.236 0.000
z 0.000 0.000 -24.764
Traceless
 xyz
x 2.111 -1.616 0.000
y -1.616 -4.410 0.000
z 0.000 0.000 2.299
Polar
3z2-r24.598
x2-y24.347
xy-1.616
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.676 0.007 0.000
y 0.007 6.770 0.000
z 0.000 0.000 4.815


<r2> (average value of r2) Å2
<r2> 86.912
(<r2>)1/2 9.323