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

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-231.044828
Energy at 298.15K-231.053296
HF Energy-231.044828
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 B97D3/3-21G
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' 3078 3026 42.34      
2 A' 3074 3022 36.24      
3 A' 3047 2996 3.78      
4 A' 2994 2943 18.49      
5 A' 2755 2709 135.77      
6 A' 1694 1665 120.21      
7 A' 1547 1521 18.96      
8 A' 1540 1513 9.14      
9 A' 1439 1415 3.82      
10 A' 1412 1388 2.11      
11 A' 1306 1283 1.01      
12 A' 1184 1164 1.06      
13 A' 1163 1143 2.80      
14 A' 885 870 28.34      
15 A' 833 819 28.53      
16 A' 528 519 3.69      
17 A' 349 343 5.14      
18 A' 338 332 0.83      
19 A' 241 237 0.69      
20 A" 3074 3022 21.52      
21 A" 3060 3008 2.11      
22 A" 2991 2940 22.73      
23 A" 1527 1501 1.74      
24 A" 1523 1498 1.91      
25 A" 1419 1395 6.66      
26 A" 1342 1319 1.05      
27 A" 1115 1096 1.46      
28 A" 978 962 0.17      
29 A" 969 952 1.00      
30 A" 942 926 2.60      
31 A" 344 338 0.53      
32 A" 220 216 0.16      
33 A" 71 69 2.87      

Unscaled Zero Point Vibrational Energy (zpe) 24490.9 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 24074.6 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 B97D3/3-21G
ABC
0.25483 0.12074 0.09178

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.307 0.580 2.183
H2 0.307 0.580 -2.183
H3 -1.055 1.325 -1.295
H4 -1.055 1.325 1.295
H5 0.554 2.095 1.267
H6 0.554 2.095 -1.267
C7 0.028 1.130 -1.273
C8 0.028 1.130 1.273
H9 1.461 0.057 0.000
C10 0.395 0.322 0.000
C11 -0.416 -0.969 0.000
H12 -1.516 -0.751 0.000
O13 0.028 -2.123 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 C10 C11 H12 O13
H14.36663.80861.78901.78853.77653.51071.09942.52442.20022.77253.14013.4853
H24.36661.78903.80863.77651.78851.09943.51072.52442.20022.77253.14013.4853
H33.80861.78902.58903.12171.78481.10152.79363.10112.18792.71032.48953.8389
H41.78903.80862.58901.78483.12172.79361.10153.10112.18792.71032.48953.8389
H51.78853.77653.12171.78482.53362.76761.09982.56552.18533.45483.74084.4356
H63.77651.78851.78483.12172.53361.09982.76762.56552.18533.45483.74084.4356
C73.51071.09941.10152.79362.76761.09982.54572.19621.55152.49422.74633.4926
C81.09943.51072.79361.10151.09982.76762.54572.19621.55152.49422.74633.4926
H92.52442.52443.10113.10112.56552.56552.19622.19621.09822.13943.08532.6087
C102.20022.20022.18792.18792.18532.18531.55151.55151.09821.52462.19222.4720
C112.77252.77252.71032.71033.45483.45482.49422.49422.13941.52461.12151.2367
H123.14013.14012.48952.48953.74083.74082.74632.74633.08532.19221.12152.0660
O133.48533.48533.83893.83894.43564.43563.49263.49262.60872.47201.23672.0660

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 108.490 H1 C8 H5 108.516
H1 C8 C10 111.196 H2 C7 H3 108.490
H2 C7 H6 108.516 H2 C7 C10 111.196
H3 C7 H6 108.106 H3 C7 C10 110.312
H4 C8 H5 108.106 H4 C8 C10 110.312
H5 C8 C10 110.139 H6 C7 C10 110.139
C7 C10 C8 110.685 C7 C10 H9 110.600
C7 C10 C11 108.859 C8 C10 H9 110.600
C8 C10 C11 108.859 H9 C10 C11 107.138
C10 C11 H12 111.322 C10 C11 O13 126.462
H12 C11 O13 122.216
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.211      
2 H 0.211      
3 H 0.199      
4 H 0.199      
5 H 0.210      
6 H 0.210      
7 C -0.554      
8 C -0.554      
9 H 0.225      
10 C -0.383      
11 C 0.299      
12 H 0.142      
13 O -0.414      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.338 2.646 0.000 2.668
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.877 0.746 0.000
y 0.746 -37.528 0.000
z 0.000 0.000 -30.565
Traceless
 xyz
x 3.170 0.746 0.000
y 0.746 -6.807 0.000
z 0.000 0.000 3.637
Polar
3z2-r27.274
x2-y26.651
xy0.746
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.930 -0.102 0.000
y -0.102 7.310 0.000
z 0.000 0.000 5.777


<r2> (average value of r2) Å2
<r2> 136.745
(<r2>)1/2 11.694