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

using model chemistry: HF/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/cc-pVDZ
 hartrees
Energy at 0K-231.004060
Energy at 298.15K-231.012804
Nuclear repulsion energy176.144904
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/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' 3259 2960 48.20      
2 A' 3253 2953 72.63      
3 A' 3217 2921 1.85      
4 A' 3175 2883 24.67      
5 A' 3070 2788 98.72      
6 A' 2018 1832 255.69      
7 A' 1608 1460 14.72      
8 A' 1601 1453 5.27      
9 A' 1532 1391 1.66      
10 A' 1523 1382 7.42      
11 A' 1427 1296 3.98      
12 A' 1281 1163 3.08      
13 A' 1272 1155 9.54      
14 A' 994 903 11.04      
15 A' 899 816 18.68      
16 A' 582 529 9.38      
17 A' 381 346 9.41      
18 A' 354 322 0.16      
19 A' 253 229 0.99      
20 A" 3256 2957 16.30      
21 A" 3242 2944 9.52      
22 A" 3170 2879 32.68      
23 A" 1588 1442 1.83      
24 A" 1584 1438 0.47      
25 A" 1512 1373 2.33      
26 A" 1455 1321 1.30      
27 A" 1243 1129 0.56      
28 A" 1062 964 0.09      
29 A" 1032 937 1.02      
30 A" 996 904 0.44      
31 A" 354 321 0.65      
32 A" 224 204 0.01      
33 A" 73 66 8.27      

Unscaled Zero Point Vibrational Energy (zpe) 26245.4 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 23830.8 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 HF/cc-pVDZ
ABC
0.25671 0.12537 0.09435

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 -0.217 0.584 2.168
H2 -0.217 0.584 -2.168
H3 -1.705 0.142 -1.320
H4 -1.705 0.142 1.320
H5 -1.130 1.809 1.283
H6 -1.130 1.809 -1.283
C7 -0.809 0.766 -1.269
C8 -0.809 0.766 1.269
H9 0.910 1.078 0.000
C10 0.000 0.474 0.000
C11 0.446 -0.970 0.000
H12 -0.379 -1.710 0.000
O13 1.575 -1.332 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 C10 C11 H12 O13
H14.33583.81841.76941.76603.77443.49201.09212.49252.18142.74793.16033.4029
H24.33581.76943.81843.77441.76601.09213.49202.49252.18142.74793.16033.4029
H33.81841.76942.64073.14481.76441.09392.81013.07562.18242.75802.63283.8311
H41.76943.81842.64071.76443.14482.81011.09393.07562.18242.75802.63283.8311
H51.76603.77443.14481.76442.56632.77541.09162.51832.16903.44253.82034.3394
H63.77441.76601.76443.14482.56631.09162.77542.51832.16903.44253.82034.3394
C73.49201.09211.09392.81012.77541.09162.53732.15871.53242.48902.81513.4196
C81.09213.49202.81011.09391.09162.77542.53732.15871.53242.48902.81513.4196
H92.49252.49253.07563.07562.51832.51832.15872.15871.09162.09903.07112.4998
C102.18142.18142.18242.18242.16902.16901.53241.53241.09161.51122.21712.3967
C112.74792.74792.75802.75803.44253.44252.48902.48902.09901.51121.10851.1860
H123.16033.16032.63282.63283.82033.82032.81512.81513.07112.21711.10851.9903
O133.40293.40293.83113.83114.33944.33943.41963.41962.49982.39671.18601.9903

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 108.079 H1 C8 H5 107.947
H1 C8 C10 111.334 H2 C7 H3 108.079
H2 C7 H6 107.947 H2 C7 C10 111.334
H3 C7 H6 107.671 H3 C7 C10 111.295
H4 C8 H5 107.671 H4 C8 C10 111.295
H5 C8 C10 110.369 H6 C7 C10 110.369
C7 C10 C8 111.757 C7 C10 H9 109.554
C7 C10 C11 109.724 C8 C10 H9 109.554
C8 C10 C11 109.724 H9 C10 C11 106.382
C10 C11 H12 114.755 C10 C11 O13 124.958
H12 C11 O13 120.287
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.046 0.047    
2 H 0.046 0.047    
3 H 0.032 0.040    
4 H 0.032 0.040    
5 H 0.041 0.061    
6 H 0.041 0.061    
7 C -0.017 -0.230    
8 C -0.017 -0.230    
9 H 0.039 -0.047    
10 C -0.247 0.287    
11 C 0.299 0.473    
12 H 0.001 -0.035    
13 O -0.296 -0.514    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.602 1.463 0.000 2.985
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.586 3.911 0.000
y 3.911 -33.179 0.000
z 0.000 0.000 -31.106
Traceless
 xyz
x -4.444 3.911 0.000
y 3.911 0.667 0.000
z 0.000 0.000 3.777
Polar
3z2-r27.554
x2-y2-3.407
xy3.911
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.997 -0.484 0.000
y -0.484 6.503 0.000
z 0.000 0.000 6.176


<r2> (average value of r2) Å2
<r2> 134.396
(<r2>)1/2 11.593