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

using model chemistry: HF/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/aug-cc-pVDZ
 hartrees
Energy at 0K-231.017094
Energy at 298.15K-231.025842
Nuclear repulsion energy176.099254
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 HF/aug-cc-pVDZ
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' 3245 2955 57.65      
2 A' 3242 2952 75.10      
3 A' 3212 2925 2.07      
4 A' 3166 2883 25.59      
5 A' 3071 2796 80.76      
6 A' 1982 1804 273.04      
7 A' 1609 1465 14.15      
8 A' 1600 1457 3.85      
9 A' 1531 1394 0.50      
10 A' 1518 1382 8.44      
11 A' 1425 1297 3.51      
12 A' 1278 1163 3.18      
13 A' 1271 1157 8.72      
14 A' 991 902 11.74      
15 A' 896 816 15.96      
16 A' 580 528 9.15      
17 A' 381 347 10.37      
18 A' 356 324 0.18      
19 A' 252 230 1.06      
20 A" 3242 2952 18.84      
21 A" 3227 2939 11.15      
22 A" 3161 2878 29.72      
23 A" 1588 1446 1.42      
24 A" 1583 1442 0.76      
25 A" 1510 1375 2.87      
26 A" 1450 1320 0.79      
27 A" 1239 1128 1.14      
28 A" 1059 964 0.01      
29 A" 1031 939 0.57      
30 A" 991 903 0.59      
31 A" 357 325 1.36      
32 A" 221 201 0.00      
33 A" 72 65 10.32      

Unscaled Zero Point Vibrational Energy (zpe) 26168.0 cm-1
Scaled (by 0.9106) Zero Point Vibrational Energy (zpe) 23828.6 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 HF/aug-cc-pVDZ
ABC
0.25654 0.12528 0.09429

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.219 0.584 2.167
H2 -0.219 0.584 -2.167
H3 -1.703 0.132 -1.319
H4 -1.703 0.132 1.319
H5 -1.139 1.802 1.282
H6 -1.139 1.802 -1.282
C7 -0.812 0.762 -1.270
C8 -0.812 0.762 1.270
H9 0.902 1.088 0.000
C10 0.000 0.477 0.000
C11 0.448 -0.966 0.000
H12 -0.368 -1.712 0.000
O13 1.581 -1.329 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 C10 C11 H12 O13
H14.33423.81551.76751.76423.77193.49201.09032.49172.18082.74683.16053.4050
H24.33421.76753.81553.77191.76421.09033.49202.49172.18082.74683.16053.4050
H33.81551.76752.63803.14201.76271.09212.80913.07252.18162.75252.63163.8285
H41.76753.81552.63801.76273.14202.80911.09213.07252.18162.75252.63163.8285
H51.76423.77193.14201.76272.56442.77481.08992.51422.16703.43903.81934.3406
H63.77191.76421.76273.14202.56441.08992.77482.51422.16703.43903.81934.3406
C73.49201.09031.09212.80912.77481.08992.53922.15811.53392.48772.81633.4219
C81.09033.49202.80911.09211.08992.77482.53922.15811.53392.48772.81633.4219
H92.49172.49173.07253.07252.51422.51422.15812.15811.08932.10343.07422.5097
C102.18082.18082.18162.18162.16702.16701.53391.53391.08931.51162.22002.4000
C112.74682.74682.75252.75253.43903.43902.48772.48772.10341.51161.10561.1887
H123.16053.16052.63162.63163.81933.81932.81632.81633.07422.22001.10561.9856
O133.40503.40503.82853.82854.34064.34063.42193.42192.50972.40001.18871.9856

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 108.172 H1 C8 H5 108.031
H1 C8 C10 111.286 H2 C7 H3 108.172
H2 C7 H6 108.031 H2 C7 C10 111.286
H3 C7 H6 107.765 H3 C7 C10 111.243
H4 C8 H5 107.765 H4 C8 C10 111.243
H5 C8 C10 110.212 H6 C7 C10 110.212
C7 C10 C8 111.726 C7 C10 H9 109.548
C7 C10 C11 109.540 C8 C10 H9 109.548
C8 C10 C11 109.540 H9 C10 C11 106.813
C10 C11 H12 115.165 C10 C11 O13 125.014
H12 C11 O13 119.821
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H -0.082      
2 H -0.082      
3 H -0.043      
4 H -0.043      
5 H -0.074      
6 H -0.074      
7 C 0.692      
8 C 0.692      
9 H -0.201      
10 C -1.007      
11 C 0.987      
12 H -0.082      
13 O -0.681      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.835 1.590 0.000 3.250
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.321 4.296 0.000
y 4.296 -33.339 0.000
z 0.000 0.000 -31.243
Traceless
 xyz
x -5.030 4.296 0.000
y 4.296 0.942 0.000
z 0.000 0.000 4.088
Polar
3z2-r28.175
x2-y2-3.982
xy4.296
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 134.657
(<r2>)1/2 11.604