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

using model chemistry: BLYP/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 BLYP/6-311G*
 hartrees
Energy at 0K-232.408930
Energy at 298.15K-232.417261
Nuclear repulsion energy173.804388
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 BLYP/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' 3022 3014 36.36      
2 A' 3016 3009 76.73      
3 A' 2977 2970 7.10      
4 A' 2956 2949 21.18      
5 A' 2717 2710 150.65      
6 A' 1737 1733 189.08      
7 A' 1493 1490 17.22      
8 A' 1486 1483 8.92      
9 A' 1402 1398 1.48      
10 A' 1381 1377 3.16      
11 A' 1283 1280 1.50      
12 A' 1153 1150 2.01      
13 A' 1144 1141 5.65      
14 A' 876 874 21.74      
15 A' 819 817 24.76      
16 A' 528 526 4.04      
17 A' 352 351 6.77      
18 A' 325 324 0.14      
19 A' 223 223 0.68      
20 A" 3021 3013 25.53      
21 A" 3008 3001 2.47      
22 A" 2953 2945 30.07      
23 A" 1474 1470 1.65      
24 A" 1471 1467 1.59      
25 A" 1377 1374 3.42      
26 A" 1318 1314 1.75      
27 A" 1094 1091 0.99      
28 A" 953 950 0.00      
29 A" 933 930 0.53      
30 A" 911 909 0.93      
31 A" 324 324 0.46      
32 A" 208 207 0.06      
33 A" 67 67 4.35      

Unscaled Zero Point Vibrational Energy (zpe) 24000.1 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 23940.1 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 BLYP/6-311G*
ABC
0.25137 0.12158 0.09171

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.221 0.616 2.190
H2 -0.221 0.616 -2.190
H3 -1.710 0.129 -1.346
H4 -1.710 0.129 1.346
H5 -1.169 1.819 1.287
H6 -1.169 1.819 -1.287
C7 -0.821 0.775 -1.282
C8 -0.821 0.775 1.282
H9 0.916 1.097 0.000
C10 0.000 0.485 0.000
C11 0.451 -0.975 0.000
H12 -0.398 -1.716 0.000
O13 1.604 -1.360 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 C10 C11 H12 O13
H14.37983.86711.77991.77793.79933.52721.09952.51382.20492.78873.20383.4680
H24.37981.77993.86713.79931.77791.09953.52722.51382.20492.78873.20383.4680
H33.86711.77992.69113.17481.77551.10152.84863.10542.20522.77472.63373.8741
H41.77993.86712.69111.77553.17482.84861.10153.10542.20522.77472.63373.8741
H51.77793.79933.17481.77552.57422.79491.09992.55412.19113.47623.84004.4098
H63.79931.77791.77553.17482.57421.09992.79492.55412.19113.47623.84004.4098
C73.52721.09951.10152.84862.79491.09992.56452.18241.54992.51482.83383.4757
C81.09953.52722.84861.10151.09992.79492.56452.18241.54992.51482.83383.4757
H92.51382.51383.10543.10542.55412.55412.18242.18241.10102.12313.10462.5510
C102.20492.20492.20522.20522.19112.19111.54991.54991.10101.52822.23722.4446
C112.78872.78872.77472.77473.47623.47622.51482.51482.12311.52821.12701.2154
H123.20383.20382.63372.63373.84003.84002.83382.83383.10462.23721.12702.0332
O133.46803.46803.87413.87414.40984.40983.47573.47572.55102.44461.21542.0332

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 107.931 H1 C8 H5 107.864
H1 C8 C10 111.523 H2 C7 H3 107.931
H2 C7 H6 107.864 H2 C7 C10 111.523
H3 C7 H6 107.513 H3 C7 C10 111.433
H4 C8 H5 107.513 H4 C8 C10 111.433
H5 C8 C10 110.410 H6 C7 C10 110.410
C7 C10 C8 111.653 C7 C10 H9 109.667
C7 C10 C11 109.573 C8 C10 H9 109.667
C8 C10 C11 109.573 H9 C10 C11 106.576
C10 C11 H12 113.973 C10 C11 O13 125.623
H12 C11 O13 120.404
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.213      
2 H 0.213      
3 H 0.197      
4 H 0.197      
5 H 0.208      
6 H 0.208      
7 C -0.594      
8 C -0.594      
9 H 0.202      
10 C -0.249      
11 C 0.123      
12 H 0.122      
13 O -0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.222 1.428 0.000 2.641
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.428 3.288 0.000
y 3.288 -33.618 0.000
z 0.000 0.000 -31.543
Traceless
 xyz
x -3.848 3.288 0.000
y 3.288 0.368 0.000
z 0.000 0.000 3.480
Polar
3z2-r26.960
x2-y2-2.810
xy3.288
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 137.634
(<r2>)1/2 11.732