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

using model chemistry: HSEh1PBE/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 HSEh1PBE/3-21G
 hartrees
Energy at 0K-230.927000
Energy at 298.15K-230.935603
HF Energy-230.927000
Nuclear repulsion energy175.012197
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 HSEh1PBE/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' 3153 3037 16.28      
2 A' 3149 3033 36.78      
3 A' 3119 3005 1.66      
4 A' 3065 2952 13.72      
5 A' 2879 2773 105.15      
6 A' 1780 1714 124.58      
7 A' 1572 1514 25.97      
8 A' 1565 1507 11.47      
9 A' 1470 1416 7.38      
10 A' 1444 1391 3.07      
11 A' 1337 1288 0.43      
12 A' 1214 1169 1.04      
13 A' 1199 1155 3.24      
14 A' 933 899 25.76      
15 A' 863 832 29.23      
16 A' 547 527 5.59      
17 A' 353 340 5.80      
18 A' 345 332 0.89      
19 A' 249 240 0.82      
20 A" 3151 3036 12.55      
21 A" 3137 3022 3.18      
22 A" 3063 2950 16.16      
23 A" 1551 1494 2.60      
24 A" 1547 1490 2.60      
25 A" 1448 1395 13.20      
26 A" 1370 1319 0.49      
27 A" 1157 1114 1.63      
28 A" 1009 972 0.03      
29 A" 995 959 0.38      
30 A" 974 938 4.65      
31 A" 350 337 0.78      
32 A" 230 222 0.16      
33 A" 81 78 3.68      

Unscaled Zero Point Vibrational Energy (zpe) 25147.1 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 24224.2 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 HSEh1PBE/3-21G
ABC
0.25863 0.12278 0.09332

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.270 0.565 2.174
H2 0.270 0.565 -2.174
H3 -1.025 1.399 -1.284
H4 -1.025 1.399 1.284
H5 0.627 2.054 1.269
H6 0.627 2.054 -1.269
C7 0.039 1.132 -1.266
C8 0.039 1.132 1.266
H9 1.421 0.027 0.000
C10 0.361 0.299 0.000
C11 -0.433 -0.962 0.000
H12 -1.513 -0.818 0.000
O13 0.039 -2.107 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 C10 C11 H12 O13
H14.34743.78561.77891.77943.76793.49401.09502.51772.19172.74733.13293.4519
H24.34741.77893.78563.76791.77941.09503.49402.51772.19172.74733.13293.4519
H33.78561.77892.56843.11071.77751.09732.77633.08452.18612.75162.60773.8823
H41.77893.78562.56841.77753.11072.77631.09733.08452.18612.75162.60773.8823
H51.77943.76793.11071.77752.53732.76071.09392.51982.18183.43923.79984.3901
H63.76791.77941.77753.11072.53731.09392.76072.51982.18183.43923.79984.3901
C73.49401.09501.09732.77632.76071.09392.53222.17561.54912.49162.79523.4776
C81.09503.49402.77631.09731.09392.76072.53222.17561.54912.49162.79523.4776
H92.51772.51773.08453.08452.51982.51982.17562.17561.09452.10113.05342.5428
C102.19172.19172.18612.18612.18182.18181.54911.54911.09451.49002.18182.4279
C112.74732.74732.75162.75163.43923.43922.49162.49162.10111.49001.08981.2388
H123.13293.13292.60772.60773.79983.79982.79522.79523.05342.18181.08982.0176
O133.45193.45193.88233.88234.39014.39013.47763.47762.54282.42791.23882.0176

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 108.478 H1 C8 H5 108.764
H1 C8 C10 110.802 H2 C7 H3 108.478
H2 C7 H6 108.764 H2 C7 C10 110.802
H3 C7 H6 108.428 H3 C7 C10 110.227
H4 C8 H5 108.428 H4 C8 C10 110.227
H5 C8 C10 110.083 H6 C7 C10 110.083
C7 C10 C8 109.632 C7 C10 H9 109.568
C7 C10 C11 110.125 C8 C10 H9 109.568
C8 C10 C11 110.125 H9 C10 C11 107.796
C10 C11 H12 114.611 C10 C11 O13 125.429
H12 C11 O13 119.961
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.229      
2 H 0.229      
3 H 0.214      
4 H 0.214      
5 H 0.227      
6 H 0.227      
7 C -0.599      
8 C -0.599      
9 H 0.249      
10 C -0.434      
11 C 0.309      
12 H 0.162      
13 O -0.428      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.400 2.722 0.000 2.751
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.794 0.809 0.000
y 0.809 -37.804 0.000
z 0.000 0.000 -30.588
Traceless
 xyz
x 3.402 0.809 0.000
y 0.809 -7.112 0.000
z 0.000 0.000 3.710
Polar
3z2-r27.421
x2-y27.010
xy0.809
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.766 -0.143 0.000
y -0.143 7.035 0.000
z 0.000 0.000 5.594


<r2> (average value of r2) Å2
<r2> 134.985
(<r2>)1/2 11.618