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All results from a given calculation for CHOCH(CH3)CH3 (Propanal, 2-methyl-)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-231.046193
Energy at 298.15K-231.054935
Nuclear repulsion energy176.467721
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 HF/6-311G**
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' 3235 2939 65.33      
2 A' 3231 2935 76.93      
3 A' 3201 2908 1.93      
4 A' 3161 2872 25.30      
5 A' 3056 2776 96.46      
6 A' 2007 1824 263.12      
7 A' 1627 1478 15.23      
8 A' 1621 1472 4.84      
9 A' 1547 1406 1.17      
10 A' 1535 1395 8.76      
11 A' 1436 1304 3.45      
12 A' 1284 1167 1.33      
13 A' 1278 1161 11.50      
14 A' 991 900 12.36      
15 A' 898 816 18.37      
16 A' 581 528 9.38      
17 A' 381 346 10.01      
18 A' 353 321 0.12      
19 A' 252 229 0.98      
20 A" 3231 2935 18.50      
21 A" 3217 2922 12.82      
22 A" 3156 2867 31.06      
23 A" 1609 1461 1.84      
24 A" 1604 1457 0.67      
25 A" 1525 1386 2.87      
26 A" 1463 1329 0.86      
27 A" 1243 1130 0.60      
28 A" 1058 961 0.16      
29 A" 1038 943 0.84      
30 A" 1002 910 0.50      
31 A" 353 320 0.82      
32 A" 224 203 0.01      
33 A" 71 65 9.19      

Unscaled Zero Point Vibrational Energy (zpe) 26233.2 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 23832.9 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 HF/6-311G**
ABC
0.25722 0.12570 0.09455

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.293 0.552 2.163
H2 0.293 0.552 -2.163
H3 -1.017 1.368 -1.318
H4 -1.017 1.368 1.318
H5 0.604 2.039 1.283
H6 0.604 2.039 -1.283
C7 0.040 1.112 -1.269
C8 0.040 1.112 1.269
H9 1.407 0.033 0.000
C10 0.359 0.313 0.000
C11 -0.431 -0.975 0.000
H12 -1.526 -0.846 0.000
O13 0.040 -2.060 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 C10 C11 H12 O13
H14.32613.80721.75921.75613.76593.48631.08562.48802.17722.74483.15273.4003
H24.32611.75923.80723.76591.75611.08563.48632.48802.17722.74483.15273.4003
H33.80721.75922.63513.13661.75451.08752.80503.06472.17762.75072.62613.8207
H41.75923.80722.63511.75453.13662.80501.08753.06472.17762.75072.62613.8207
H51.75613.76593.13661.75452.56532.77241.08522.51272.16463.43543.80864.3316
H63.76591.75611.75453.13662.56531.08522.77242.51272.16463.43543.80864.3316
C73.48631.08561.08752.80502.77241.08522.53712.15521.53332.48762.80983.4163
C81.08563.48632.80501.08751.08522.77242.53712.15521.53332.48762.80983.4163
H92.48802.48803.06473.06472.51272.51272.15522.15521.08482.09723.06202.5003
C102.17722.17722.17762.17762.16462.16461.53331.53331.08481.51102.21262.3937
C112.74482.74482.75072.75073.43543.43542.48762.48762.09721.51101.10171.1824
H123.15273.15272.62612.62613.80863.80862.80982.80983.06202.21261.10171.9803
O133.40033.40033.82073.82074.33164.33163.41633.41632.50032.39371.18241.9803

picture of Propanal, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C8 H4 108.098 H1 C8 H5 107.989
H1 C8 C10 111.325 H2 C7 H3 108.098
H2 C7 H6 107.989 H2 C7 C10 111.325
H3 C7 H6 107.711 H3 C7 C10 111.236
H4 C8 H5 107.711 H4 C8 C10 111.236
H5 C8 C10 110.342 H6 C7 C10 110.342
C7 C10 C8 111.649 C7 C10 H9 109.623
C7 C10 C11 109.594 C8 C10 H9 109.623
C8 C10 C11 109.594 H9 C10 C11 106.628
C10 C11 H12 114.840 C10 C11 O13 124.980
H12 C11 O13 120.180
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.108      
2 H 0.108      
3 H 0.092      
4 H 0.092      
5 H 0.104      
6 H 0.104      
7 C -0.237      
8 C -0.237      
9 H 0.126      
10 C -0.264      
11 C 0.322      
12 H 0.057      
13 O -0.375      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.650 3.008 0.000 3.078
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.759 1.280 0.000
y 1.280 -39.296 0.000
z 0.000 0.000 -31.117
Traceless
 xyz
x 4.447 1.280 0.000
y 1.280 -8.358 0.000
z 0.000 0.000 3.911
Polar
3z2-r27.821
x2-y28.537
xy1.280
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.306 -0.203 0.000
y -0.203 7.397 0.000
z 0.000 0.000 6.281


<r2> (average value of r2) Å2
<r2> 134.150
(<r2>)1/2 11.582