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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: MP2/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/cc-pVDZ
 hartrees
Energy at 0K-192.568516
Energy at 298.15K-192.574915
HF Energy-191.965855
Nuclear repulsion energy117.985789
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 MP2/cc-pVDZ
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' 3200 3048 15.67      
2 A' 3100 2953 15.12      
3 A' 3073 2927 23.03      
4 A' 2946 2806 146.30      
5 A' 1790 1705 94.94      
6 A' 1498 1427 7.37      
7 A' 1453 1384 9.38      
8 A' 1422 1355 10.73      
9 A' 1408 1341 4.76      
10 A' 1372 1307 7.22      
11 A' 1129 1075 11.76      
12 A' 1012 964 1.04      
13 A' 887 844 20.09      
14 A' 673 641 6.01      
15 A' 263 250 7.92      
16 A" 3201 3049 15.56      
17 A" 3120 2971 8.97      
18 A" 1494 1423 6.50      
19 A" 1282 1221 0.32      
20 A" 1146 1092 0.39      
21 A" 903 860 1.82      
22 A" 679 646 2.76      
23 A" 252 240 0.27      
24 A" 146 139 1.66      

Unscaled Zero Point Vibrational Energy (zpe) 18723.0 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 17833.7 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 MP2/cc-pVDZ
ABC
0.54660 0.19736 0.15329

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.448 0.445 0.000
C2 0.000 0.924 0.000
C3 -1.002 -0.210 0.000
O4 -0.700 -1.391 0.000
H5 2.145 1.297 0.000
H6 1.651 -0.175 0.887
H7 1.651 -0.175 -0.887
H8 -0.224 1.559 0.879
H9 -0.224 1.559 -0.879
H10 -2.076 0.110 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52542.53572.82601.10121.10121.10122.19312.19313.5405
C21.52541.51302.41902.17752.17332.17331.10741.10742.2305
C32.53571.51301.21933.48922.79772.79772.12312.12311.1212
O42.82602.41901.21933.91472.79202.79203.11533.11532.0363
H51.10122.17753.48923.91471.78861.78862.54042.54044.3856
H61.10122.17332.79772.79201.78861.77392.55433.10553.8426
H71.10122.17332.79772.79201.78861.77393.10552.55433.8426
H82.19311.10742.12313.11532.54042.55433.10551.75862.5114
H92.19311.10742.12313.11532.54043.10552.55431.75862.5114
H103.54052.23051.12122.03634.38563.84263.84262.51142.5114

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.138 C1 C2 H8 111.832
C1 C2 H9 111.832 C2 C1 H5 110.963
C2 C1 H6 110.628 C2 C1 H7 110.628
C2 C3 O4 124.231 C2 C3 H10 114.905
C3 C2 H8 107.220 C3 C2 H9 107.220
O4 C3 H10 120.865 H5 C1 H6 108.605
H5 C1 H7 108.605 H6 C1 H7 107.305
H8 C2 H9 105.127
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability