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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: MP2=FULL/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-192.850537
Energy at 298.15K-192.856922
HF Energy-192.025504
Nuclear repulsion energy119.129830
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/aug-cc-pVTZ
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' 3176 3021 12.94      
2 A' 3096 2946 14.47      
3 A' 3065 2916 20.28      
4 A' 2957 2813 111.25      
5 A' 1773 1687 117.56      
6 A' 1527 1452 7.07      
7 A' 1469 1398 15.29      
8 A' 1437 1367 14.24      
9 A' 1420 1351 1.46      
10 A' 1387 1320 9.83      
11 A' 1135 1080 11.36      
12 A' 1019 969 0.90      
13 A' 885 842 20.61      
14 A' 675 642 5.86      
15 A' 258 246 8.26      
16 A" 3175 3021 13.13      
17 A" 3098 2948 4.92      
18 A" 1525 1451 7.44      
19 A" 1304 1241 0.36      
20 A" 1161 1105 0.82      
21 A" 918 874 0.99      
22 A" 672 640 3.26      
23 A" 233 222 0.43      
24 A" 146 139 2.95      

Unscaled Zero Point Vibrational Energy (zpe) 18754.7 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 17843.2 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/aug-cc-pVTZ
ABC
0.56151 0.19966 0.15561

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.440 0.442 0.000
C2 0.000 0.908 0.000
C3 -0.998 -0.202 0.000
O4 -0.700 -1.379 0.000
H5 2.120 1.291 0.000
H6 1.653 -0.163 0.875
H7 1.653 -0.163 -0.875
H8 -0.214 1.540 0.865
H9 -0.214 1.540 -0.865
H10 -2.056 0.096 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51362.52212.80991.08711.08541.08542.16552.16553.5140
C21.51361.49252.39092.15402.15552.15551.09261.09262.2107
C32.52211.49251.21373.45672.79212.79212.09702.09701.0999
O42.80992.39091.21373.88272.78902.78903.08253.08252.0041
H51.08712.15403.45673.88271.76051.76052.50102.50104.3436
H61.08542.15552.79212.78901.76051.75022.52743.06853.8204
H71.08542.15552.79212.78901.76051.75023.06852.52743.8204
H82.16551.09262.09703.08252.50102.52743.06851.73002.4954
H92.16551.09262.09703.08252.50103.06852.52741.73002.4954
H103.51402.21071.09992.00414.34363.82043.82042.49542.4954

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.064 C1 C2 H8 111.358
C1 C2 H9 111.358 C2 C1 H5 110.766
C2 C1 H6 110.987 C2 C1 H7 110.987
C2 C3 O4 123.810 C2 C3 H10 116.215
C3 C2 H8 107.421 C3 C2 H9 107.421
O4 C3 H10 119.976 H5 C1 H6 108.259
H5 C1 H7 108.259 H6 C1 H7 107.457
H8 C2 H9 104.685
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability