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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-232.313640
Energy at 298.15K-232.321974
HF Energy-232.313640
Nuclear repulsion energy 
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 B97D3/6-31G*
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' 3075 3014 30.23      
2 A' 3066 3006 68.45      
3 A' 3023 2964 7.79      
4 A' 2991 2932 22.03      
5 A' 2766 2712 145.93      
6 A' 1782 1748 177.32      
7 A' 1513 1484 12.51      
8 A' 1505 1476 7.36      
9 A' 1421 1393 0.75      
10 A' 1403 1376 3.12      
11 A' 1299 1274 1.65      
12 A' 1170 1148 1.41      
13 A' 1161 1138 7.17      
14 A' 902 885 23.33      
15 A' 834 818 22.67      
16 A' 534 524 4.55      
17 A' 350 343 6.16      
18 A' 329 322 0.31      
19 A' 231 226 0.76      
20 A" 3074 3013 23.06      
21 A" 3059 2999 2.81      
22 A" 2987 2929 29.90      
23 A" 1492 1463 1.55      
24 A" 1490 1461 0.70      
25 A" 1394 1367 1.42      
26 A" 1331 1305 2.05      
27 A" 1113 1091 0.32      
28 A" 970 951 0.07      
29 A" 943 924 0.75      
30 A" 924 906 1.05      
31 A" 325 319 0.42      
32 A" 207 203 0.09      
33 A" 56 55 4.04      

Unscaled Zero Point Vibrational Energy (zpe) 24360.3 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 23882.8 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 B97D3/6-31G*
ABC
0.25437 0.12250 0.09265

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.312 0.568 2.182
H2 0.312 0.568 -2.182
H3 -1.039 1.351 -1.323
H4 -1.039 1.351 1.323
H5 0.583 2.077 1.274
H6 0.583 2.077 -1.274
C7 0.037 1.123 -1.273
C8 0.037 1.123 1.273
H9 1.436 0.042 0.000
C10 0.371 0.319 0.000
C11 -0.429 -0.973 0.000
H12 -1.543 -0.811 0.000
O13 0.037 -2.097 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 C10 C11 H12 O13
H14.36313.83651.78201.78213.78083.51001.09922.50982.19652.77183.17803.4547
H24.36311.78203.83653.78081.78211.09923.51002.50982.19652.77183.17803.4547
H33.83651.78202.64573.14691.77791.10132.81973.09672.19202.74322.58443.8469
H41.78203.83652.64571.77793.14692.81971.10133.09672.19202.74322.58443.8469
H51.78213.78083.14691.77792.54842.77481.09962.54842.18163.45763.80604.3984
H63.78081.78211.77793.14692.54841.09962.77482.54842.18163.45763.80604.3984
C73.51001.09921.10132.81972.77481.09962.54672.17861.54242.49662.80323.4624
C81.09923.51002.81971.10131.09962.77482.54672.17861.54242.49662.80323.4624
H92.50982.50983.09673.09672.54842.54842.17862.17861.09982.12333.09832.5552
C102.19652.19652.19202.19202.18162.18161.54241.54241.09981.52052.22312.4391
C112.77182.77182.74322.74323.45763.45762.49662.49662.12331.52051.12541.2166
H123.17803.17802.58442.58443.80603.80602.80322.80323.09832.22311.12542.0374
O133.45473.45473.84693.84694.39844.39843.46243.46242.55522.43911.21662.0374

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 108.082 H1 C8 H5 108.161
H1 C8 C10 111.516 H2 C7 H3 108.082
H2 C7 H6 108.161 H2 C7 C10 111.516
H3 C7 H6 107.674 H3 C7 C10 110.983
H4 C8 H5 107.674 H4 C8 C10 110.983
H5 C8 C10 110.290 H6 C7 C10 110.290
C7 C10 C8 111.441 C7 C10 H9 109.892
C7 C10 C11 109.305 C8 C10 H9 109.892
C8 C10 C11 109.305 H9 C10 C11 106.893
C10 C11 H12 113.827 C10 C11 O13 125.597
H12 C11 O13 120.576
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.167      
2 H 0.167      
3 H 0.153      
4 H 0.153      
5 H 0.162      
6 H 0.162      
7 C -0.471      
8 C -0.471      
9 H 0.159      
10 C -0.149      
11 C 0.253      
12 H 0.089      
13 O -0.373      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.378 2.695 0.000 2.721
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.592 0.889 0.000
y 0.889 -37.423 0.000
z 0.000 0.000 -30.425
Traceless
 xyz
x 3.332 0.889 0.000
y 0.889 -6.915 0.000
z 0.000 0.000 3.583
Polar
3z2-r27.166
x2-y26.831
xy0.889
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.423 -0.082 0.000
y -0.082 7.792 0.000
z 0.000 0.000 6.247


<r2> (average value of r2) Å2
<r2> 135.842
(<r2>)1/2 11.655