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All results from a given calculation for CH3CH2CHO (Propanal)

using model chemistry: CCSD/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 CCSD/6-31G**
 hartrees
Energy at 0K-192.598963
Energy at 298.15K-192.605367
HF Energy-191.960219
Nuclear repulsion energy118.433023
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 CCSD/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' 3207 2991 23.27      
2 A' 3125 2914 16.37      
3 A' 3095 2886 25.58      
4 A' 3003 2801 118.83      
5 A' 1846 1721 104.21      
6 A' 1558 1453 5.98      
7 A' 1522 1419 7.61      
8 A' 1480 1380 6.98      
9 A' 1459 1361 5.70      
10 A' 1422 1326 6.08      
11 A' 1150 1072 13.73      
12 A' 1033 963 0.98      
13 A' 890 830 16.37      
14 A' 682 636 8.07      
15 A' 268 250 8.81      
16 A" 3213 2996 23.48      
17 A" 3131 2920 13.09      
18 A" 1555 1450 4.40      
19 A" 1321 1232 0.43      
20 A" 1185 1105 0.13      
21 A" 924 862 1.64      
22 A" 701 653 1.75      
23 A" 241 225 0.30      
24 A" 136 127 2.70      

Unscaled Zero Point Vibrational Energy (zpe) 19071.2 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 17785.8 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 CCSD/6-31G**
ABC
0.55237 0.19784 0.15388

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.447 0.445 0.000
C2 0.000 0.922 0.000
C3 -1.001 -0.209 0.000
O4 -0.701 -1.389 0.000
H5 2.130 1.294 0.000
H6 1.651 -0.165 0.879
H7 1.651 -0.165 -0.879
H8 -0.217 1.549 0.871
H9 -0.217 1.549 -0.871
H10 -2.062 0.100 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.52312.53352.82471.08961.08901.08902.17822.17823.5258
C21.52311.51032.41472.16262.16292.16291.09541.09542.2200
C32.53351.51031.21683.47322.79372.79372.11342.11341.1054
O42.82472.41471.21683.90072.79342.79343.10263.10262.0166
H51.08962.16263.47323.90071.76911.76912.51662.51664.3593
H61.08902.16292.79372.79341.76911.75712.53503.08033.8247
H71.08902.16292.79372.79341.76911.75713.08032.53503.8247
H82.17821.09542.11343.10262.51662.53503.08031.74262.5033
H92.17821.09542.11343.10262.51663.08032.53501.74262.5033
H103.52582.22001.10542.01664.35933.82473.82472.50332.5033

picture of Propanal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 113.275 C1 C2 H8 111.535
C1 C2 H9 111.535 C2 C1 H5 110.636
C2 C1 H6 110.693 C2 C1 H7 110.693
C2 C3 O4 124.260 C2 C3 H10 115.276
C3 C2 H8 107.334 C3 C2 H9 107.334
O4 C3 H10 120.464 H5 C1 H6 108.585
H5 C1 H7 108.585 H6 C1 H7 107.554
H8 C2 H9 105.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability