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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: MP2=FULL/6-31G

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=FULL/6-31G
 hartrees
Energy at 0K-192.267812
Energy at 298.15K-192.274203
HF Energy-191.858438
Nuclear repulsion energy116.708970
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=FULL/6-31G
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' 3161 3003 23.09      
2 A' 3077 2923 16.61      
3 A' 3044 2892 33.23      
4 A' 2995 2846 109.32      
5 A' 1642 1560 39.24      
6 A' 1572 1494 7.59      
7 A' 1540 1463 17.06      
8 A' 1493 1419 6.15      
9 A' 1450 1378 4.58      
10 A' 1405 1335 8.30      
11 A' 1141 1084 15.94      
12 A' 1050 998 1.39      
13 A' 875 832 17.30      
14 A' 680 646 5.18      
15 A' 270 256 9.05      
16 A" 3168 3010 24.62      
17 A" 3079 2926 12.47      
18 A" 1570 1492 6.18      
19 A" 1325 1259 0.55      
20 A" 1193 1133 0.81      
21 A" 930 884 1.43      
22 A" 724 688 4.42      
23 A" 228 217 0.27      
24 A" 132 126 2.54      

Unscaled Zero Point Vibrational Energy (zpe) 18872.9 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 17931.2 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=FULL/6-31G
ABC
0.53406 0.19306 0.14970

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.462 0.448 0.000
C2 0.000 0.935 0.000
C3 -1.014 -0.196 0.000
O4 -0.711 -1.418 0.000
H5 2.151 1.303 0.000
H6 1.667 -0.167 0.885
H7 1.667 -0.167 -0.885
H8 -0.205 1.570 0.880
H9 -0.205 1.570 -0.880
H10 -2.078 0.107 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.54112.55852.86431.09781.09701.09702.19342.19343.5566
C21.54111.51912.45872.18252.18522.18521.10381.10382.2372
C32.55851.51911.25983.50212.82312.82312.13222.13221.1063
O42.86432.45871.25983.94892.82852.82853.15603.15602.0487
H51.09782.18253.50213.94891.78241.78242.52932.52934.3952
H61.09702.18522.82312.82851.78241.77032.55313.10373.8576
H71.09702.18522.82312.82851.78241.77033.10372.55313.8576
H82.19341.10382.13223.15602.52932.55313.10371.75912.5344
H92.19341.10382.13223.15602.52933.10372.55311.75912.5344
H103.55662.23721.10632.04874.39523.85763.85762.53442.5344

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.449 C1 C2 H8 110.971
C1 C2 H9 110.971 C2 C1 H5 110.471
C2 C1 H6 110.734 C2 C1 H7 110.734
C2 C3 O4 124.178 C2 C3 H10 115.999
C3 C2 H8 107.711 C3 C2 H9 107.711
O4 C3 H10 119.823 H5 C1 H6 108.611
H5 C1 H7 108.611 H6 C1 H7 107.592
H8 C2 H9 105.652
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability