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

using model chemistry: B97D3/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/6-31+G**
 hartrees
Energy at 0K-232.335136
Energy at 298.15K-232.343476
HF Energy-232.335136
Nuclear repulsion energy174.428530
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 B97D3/6-31+G**
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' 3073 3020 29.86      
2 A' 3064 3011 66.83      
3 A' 3024 2972 6.09      
4 A' 2985 2934 26.04      
5 A' 2787 2739 131.02      
6 A' 1753 1722 225.76      
7 A' 1490 1464 16.54      
8 A' 1480 1455 9.35      
9 A' 1400 1376 1.13      
10 A' 1381 1357 2.32      
11 A' 1287 1265 1.73      
12 A' 1157 1137 3.07      
13 A' 1153 1133 6.94      
14 A' 897 882 24.42      
15 A' 830 816 20.04      
16 A' 533 524 4.12      
17 A' 350 344 7.34      
18 A' 330 324 0.23      
19 A' 229 225 0.85      
20 A" 3072 3019 22.08      
21 A" 3058 3005 2.47      
22 A" 2982 2931 34.97      
23 A" 1467 1442 1.60      
24 A" 1465 1440 1.80      
25 A" 1373 1349 2.60      
26 A" 1314 1291 1.44      
27 A" 1103 1084 1.39      
28 A" 962 945 0.13      
29 A" 935 919 0.23      
30 A" 915 899 1.52      
31 A" 326 320 0.71      
32 A" 204 200 0.05      
33 A" 59 58 5.85      

Unscaled Zero Point Vibrational Energy (zpe) 24218.0 cm-1
Scaled (by 0.9828) Zero Point Vibrational Energy (zpe) 23801.5 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 B97D3/6-31+G**
ABC
0.25408 0.12257 0.09266

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.308 0.567 2.182
H2 0.308 0.567 -2.182
H3 -1.037 1.357 -1.322
H4 -1.037 1.357 1.322
H5 0.588 2.073 1.276
H6 0.588 2.073 -1.276
C7 0.037 1.122 -1.274
C8 0.037 1.122 1.274
H9 1.435 0.043 0.000
C10 0.371 0.319 0.000
C11 -0.431 -0.970 0.000
H12 -1.543 -0.819 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
H14.36383.83541.78141.78003.78163.51121.09812.51112.19692.76943.17953.4538
H24.36381.78143.83543.78161.78001.09813.51122.51112.19692.76943.17953.4538
H33.83541.78142.64373.14631.77611.10032.81943.09612.19272.74432.59583.8508
H41.78143.83542.64371.77613.14632.81941.10033.09612.19272.74432.59583.8508
H51.78003.78163.14631.77612.55112.77651.09862.54312.17983.45353.81214.3952
H63.78161.78001.77613.14632.55111.09862.77652.54312.17983.45353.81214.3952
C73.51121.09811.10032.81942.77651.09862.54882.17831.54332.49462.80903.4623
C81.09813.51122.81941.10031.09862.77652.54882.17831.54332.49462.80903.4623
H92.51112.51113.09613.09612.54312.54312.17832.17831.09912.12313.10052.5557
C102.19692.19692.19272.19272.17982.17981.54331.54331.09911.51822.22702.4385
C112.76942.76942.74432.74433.45353.45352.49462.49462.12311.51821.12271.2197
H123.17953.17952.59582.59583.81213.81212.80902.80903.10052.22701.12272.0323
O133.45383.45383.85083.85084.39524.39523.46233.46232.55572.43851.21972.0323

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 108.138 H1 C8 H5 108.127
H1 C8 C10 111.592 H2 C7 H3 108.138
H2 C7 H6 108.127 H2 C7 C10 111.592
H3 C7 H6 107.655 H3 C7 C10 111.031
H4 C8 H5 107.655 H4 C8 C10 111.031
H5 C8 C10 110.160 H6 C7 C10 110.160
C7 C10 C8 111.509 C7 C10 H9 109.859
C7 C10 C11 109.210 C8 C10 H9 109.859
C8 C10 C11 109.210 H9 C10 C11 107.084
C10 C11 H12 114.296 C10 C11 O13 125.555
H12 C11 O13 120.149
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.167      
2 H 0.167      
3 H 0.158      
4 H 0.158      
5 H 0.160      
6 H 0.160      
7 C -0.590      
8 C -0.590      
9 H 0.166      
10 C 0.213      
11 C 0.074      
12 H 0.104      
13 O -0.348      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.452 3.019 0.000 3.053
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.281 1.156 0.000
y 1.156 -39.174 0.000
z 0.000 0.000 -31.207
Traceless
 xyz
x 3.910 1.156 0.000
y 1.156 -7.930 0.000
z 0.000 0.000 4.020
Polar
3z2-r28.041
x2-y27.894
xy1.156
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.343 -0.158 0.000
y -0.158 9.051 0.000
z 0.000 0.000 7.306


<r2> (average value of r2) Å2
<r2> 136.509
(<r2>)1/2 11.684