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

using model chemistry: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-232.339621
Energy at 298.15K-232.348113
HF Energy-232.339621
Nuclear repulsion energy175.737817
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 M06-2X/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' 3166 2998 18.16      
2 A' 3155 2987 43.28      
3 A' 3126 2960 2.90      
4 A' 3076 2913 16.17      
5 A' 2945 2789 101.67      
6 A' 1899 1799 187.59      
7 A' 1542 1460 17.25      
8 A' 1534 1452 6.98      
9 A' 1451 1375 2.32      
10 A' 1437 1361 4.52      
11 A' 1333 1262 0.59      
12 A' 1198 1135 0.03      
13 A' 1196 1133 10.41      
14 A' 945 895 16.79      
15 A' 862 816 21.59      
16 A' 553 524 7.13      
17 A' 361 342 7.32      
18 A' 333 316 0.31      
19 A' 244 231 1.09      
20 A" 3166 2998 14.68      
21 A" 3148 2981 2.04      
22 A" 3074 2911 16.65      
23 A" 1521 1440 1.74      
24 A" 1516 1436 1.14      
25 A" 1424 1349 4.08      
26 A" 1360 1288 0.68      
27 A" 1160 1098 0.26      
28 A" 1007 954 0.22      
29 A" 965 914 0.59      
30 A" 941 891 1.60      
31 A" 339 321 0.72      
32 A" 216 204 0.05      
33 A" 70 66 5.39      

Unscaled Zero Point Vibrational Energy (zpe) 25128.8 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 23797.0 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 M06-2X/6-31G*
ABC
0.25803 0.12450 0.09420

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.273 0.555 2.171
H2 0.273 0.555 -2.171
H3 -1.020 1.395 -1.293
H4 -1.020 1.395 1.293
H5 0.630 2.044 1.271
H6 0.630 2.044 -1.271
C7 0.042 1.124 -1.266
C8 0.042 1.124 1.266
H9 1.417 0.028 0.000
C10 0.357 0.299 0.000
C11 -0.440 -0.963 0.000
H12 -1.529 -0.862 0.000
O13 0.042 -2.082 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 C10 C11 H12 O13
H14.34113.79131.77411.77553.76673.49081.09322.50942.18722.74333.15723.4238
H24.34111.77413.79133.76671.77551.09323.49082.50942.18722.74333.15723.4238
H33.79131.77412.58603.11731.77291.09592.78363.07872.18392.75152.65083.8592
H41.77413.79132.58601.77293.11732.78361.09593.07872.18392.75152.65083.8592
H51.77553.76673.11731.77292.54222.76211.09232.50962.17593.43553.83684.3575
H63.76671.77551.77293.11732.54221.09232.76212.50962.17593.43553.83684.3575
C73.49081.09321.09592.78362.76211.09232.53182.16661.54332.48782.83053.4470
C81.09323.49082.78361.09591.09232.76212.53182.16661.54332.48782.83053.4470
H92.50942.50943.07873.07872.50962.50962.16662.16661.09382.10463.07722.5188
C102.18722.18722.18392.18392.17592.17591.54331.54331.09381.49282.21482.4024
C112.74332.74332.75152.75153.43553.43552.48782.48782.10461.49281.09381.2184
H123.15723.15722.65082.65083.83683.83682.83052.83053.07722.21481.09381.9890
O133.42383.42383.85923.85924.35754.35753.44703.44702.51882.40241.21841.9890

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 108.274 H1 C8 H5 108.655
H1 C8 C10 110.959 H2 C7 H3 108.274
H2 C7 H6 108.655 H2 C7 C10 110.959
H3 C7 H6 108.233 H3 C7 C10 110.532
H4 C8 H5 108.233 H4 C8 C10 110.532
H5 C8 C10 110.111 H6 C7 C10 110.111
C7 C10 C8 110.214 C7 C10 H9 109.300
C7 C10 C11 110.038 C8 C10 H9 109.300
C8 C10 C11 110.038 H9 C10 C11 107.910
C10 C11 H12 116.957 C10 C11 O13 124.458
H12 C11 O13 118.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.180      
2 H 0.180      
3 H 0.161      
4 H 0.161      
5 H 0.174      
6 H 0.174      
7 C -0.493      
8 C -0.493      
9 H 0.180      
10 C -0.205      
11 C 0.267      
12 H 0.110      
13 O -0.395      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.456 2.731 0.000 2.769
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.692 0.982 0.000
y 0.982 -37.873 0.000
z 0.000 0.000 -30.665
Traceless
 xyz
x 3.577 0.982 0.000
y 0.982 -7.194 0.000
z 0.000 0.000 3.617
Polar
3z2-r27.233
x2-y27.181
xy0.982
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.231 -0.147 0.000
y -0.147 7.401 0.000
z 0.000 0.000 6.004


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000