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

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-232.467344
Energy at 298.15K-232.475814
HF Energy-232.467344
Nuclear repulsion energy175.971851
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 wB97X-D/TZVP
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' 3142 3001 28.38      
2 A' 3131 2990 49.92      
3 A' 3093 2954 4.04      
4 A' 3054 2916 18.00      
5 A' 2870 2741 103.86      
6 A' 1854 1771 224.18      
7 A' 1519 1451 20.36      
8 A' 1515 1447 8.56      
9 A' 1444 1379 0.83      
10 A' 1428 1363 5.37      
11 A' 1330 1270 0.72      
12 A' 1195 1141 8.18      
13 A' 1192 1138 1.04      
14 A' 933 891 18.75      
15 A' 858 820 21.10      
16 A' 555 530 5.51      
17 A' 363 346 7.88      
18 A' 341 326 0.32      
19 A' 247 236 0.79      
20 A" 3141 3000 11.08      
21 A" 3125 2984 7.55      
22 A" 3052 2914 22.53      
23 A" 1503 1435 2.87      
24 A" 1494 1427 0.57      
25 A" 1411 1348 5.65      
26 A" 1350 1289 0.39      
27 A" 1149 1098 1.28      
28 A" 996 951 0.19      
29 A" 963 920 0.49      
30 A" 941 899 1.34      
31 A" 332 317 0.54      
32 A" 220 210 0.03      
33 A" 33 31 7.07      

Unscaled Zero Point Vibrational Energy (zpe) 24885.7 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 23765.9 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 wB97X-D/TZVP
ABC
0.25813 0.12487 0.09434

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.306 0.561 2.168
H2 0.306 0.561 -2.168
H3 -1.031 1.343 -1.312
H4 -1.031 1.343 1.312
H5 0.583 2.057 1.268
H6 0.583 2.057 -1.268
C7 0.037 1.112 -1.265
C8 0.037 1.112 1.265
H9 1.425 0.038 0.000
C10 0.369 0.315 0.000
C11 -0.428 -0.964 0.000
H12 -1.531 -0.826 0.000
O13 0.037 -2.073 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 C10 C11 H12 O13
H14.33533.80831.76941.76733.75753.48671.09122.49512.18252.74993.16173.4215
H24.33531.76943.80833.75751.76731.09123.48672.49512.18252.74993.16173.4215
H33.80831.76942.62333.12511.76431.09362.79853.07492.17632.72142.58393.8118
H41.76943.80832.62331.76433.12512.79851.09363.07492.17632.72142.58393.8118
H51.76733.75753.12511.76432.53632.75791.09112.52862.16483.42833.79274.3540
H63.75751.76731.76433.12512.53631.09112.75792.52862.16483.42833.79274.3540
C73.48671.09121.09362.79852.75791.09112.52962.16311.53112.47462.79523.4263
C81.09123.48672.79851.09361.09112.75792.52962.16311.53112.47462.79523.4263
H92.49512.49513.07493.07492.52862.52862.16312.16311.09182.10673.07992.5261
C102.18252.18252.17632.17632.16482.16481.53111.53111.09181.50722.21662.4109
C112.74992.74992.72142.72143.42833.42832.47462.47462.10671.50721.11171.2025
H123.16173.16172.58392.58393.79273.79272.79522.79523.07992.21661.11172.0036
O133.42153.42153.81183.81184.35404.35403.42633.42632.52612.41091.20252.0036

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 108.165 H1 C8 H5 108.158
H1 C8 C10 111.569 H2 C7 H3 108.165
H2 C7 H6 108.158 H2 C7 C10 111.569
H3 C7 H6 107.718 H3 C7 C10 110.933
H4 C8 H5 107.718 H4 C8 C10 110.933
H5 C8 C10 110.166 H6 C7 C10 110.166
C7 C10 C8 111.397 C7 C10 H9 109.989
C7 C10 C11 109.072 C8 C10 H9 109.989
C8 C10 C11 109.072 H9 C10 C11 107.221
C10 C11 H12 114.806 C10 C11 O13 125.300
H12 C11 O13 119.894
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.141      
2 H 0.141      
3 H 0.120      
4 H 0.120      
5 H 0.136      
6 H 0.136      
7 C -0.383      
8 C -0.383      
9 H 0.146      
10 C -0.058      
11 C 0.102      
12 H 0.059      
13 O -0.274      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.489 2.950 0.000 2.990
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.812 1.190 0.000
y 1.190 -38.754 0.000
z 0.000 0.000 -30.855
Traceless
 xyz
x 3.993 1.190 0.000
y 1.190 -7.920 0.000
z 0.000 0.000 3.927
Polar
3z2-r27.854
x2-y27.942
xy1.190
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.002 -0.205 0.000
y -0.205 8.356 0.000
z 0.000 0.000 6.934


<r2> (average value of r2) Å2
<r2> 134.269
(<r2>)1/2 11.587