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All results from a given calculation for CH3CH2CHO (Propanal)

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

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-pVQZ
 hartrees
Energy at 0K-192.951995
Energy at 298.15K-192.958368
HF Energy-192.037554
Nuclear repulsion energy119.239880
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-pVQZ
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' 3196 3056 12.19      
2 A' 3102 2967 14.58      
3 A' 3075 2941 18.75      
4 A' 2968 2839 110.05      
5 A' 1774 1697 118.29      
6 A' 1520 1454 7.50      
7 A' 1464 1400 15.59      
8 A' 1433 1370 14.46      
9 A' 1417 1356 1.16      
10 A' 1379 1319 9.84      
11 A' 1132 1082 11.39      
12 A' 1016 972 0.90      
13 A' 884 845 21.13      
14 A' 675 645 5.67      
15 A' 258 247 8.23      
16 A" 3195 3056 12.35      
17 A" 3117 2981 4.42      
18 A" 1515 1449 7.76      
19 A" 1295 1238 0.30      
20 A" 1153 1102 0.82      
21 A" 908 869 1.05      
22 A" 671 642 3.53      
23 A" 236 225 0.46      
24 A" 144 137 2.96      

Unscaled Zero Point Vibrational Energy (zpe) 18762.4 cm-1
Scaled (by 0.9564) Zero Point Vibrational Energy (zpe) 17944.3 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-pVQZ
ABC
0.56070 0.20056 0.15607

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.437 0.446 0.000
C2 0.000 0.912 0.000
C3 -0.991 -0.207 0.000
O4 -0.696 -1.380 0.000
H5 2.116 1.291 0.000
H6 1.642 -0.163 0.874
H7 1.642 -0.163 -0.874
H8 -0.226 1.535 0.866
H9 -0.226 1.535 -0.866
H10 -2.051 0.098 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51082.51422.80791.08431.08431.08432.16862.16863.5052
C21.51081.49462.39562.14972.14802.14801.09081.09082.2065
C32.51421.49461.21003.44932.77422.77422.09052.09051.1028
O42.80792.39561.21003.87872.77662.77663.07753.07752.0052
H51.08432.14973.44933.87871.76151.76152.50892.50894.3343
H61.08432.14802.77422.77661.76151.74712.52433.06573.8034
H71.08432.14802.77422.77661.76151.74713.06572.52433.8034
H82.16861.09082.09053.07752.50892.52433.06571.73242.4791
H92.16861.09082.09053.07752.50893.06572.52431.73242.4791
H103.50522.20651.10282.00524.33433.80343.80342.47912.4791

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.561 C1 C2 H8 111.921
C1 C2 H9 111.921 C2 C1 H5 110.795
C2 C1 H6 110.658 C2 C1 H7 110.658
C2 C3 O4 124.356 C2 C3 H10 115.487
C3 C2 H8 106.880 C3 C2 H9 106.880
O4 C3 H10 120.157 H5 C1 H6 108.640
H5 C1 H7 108.640 H6 C1 H7 107.349
H8 C2 H9 105.146
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability