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

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-232.218679
Energy at 298.15K-232.227130
HF Energy-232.218679
Nuclear repulsion energy175.651096
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/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' 3150 3008 21.99      
2 A' 3139 2997 46.84      
3 A' 3096 2956 4.83      
4 A' 3057 2918 19.93      
5 A' 2892 2761 102.51      
6 A' 1844 1761 230.33      
7 A' 1514 1445 21.07      
8 A' 1505 1437 10.78      
9 A' 1427 1362 2.44      
10 A' 1411 1347 3.72      
11 A' 1317 1258 0.90      
12 A' 1188 1134 9.06      
13 A' 1185 1132 0.90      
14 A' 938 895 19.96      
15 A' 855 817 20.87      
16 A' 549 524 5.88      
17 A' 352 336 7.89      
18 A' 333 318 0.21      
19 A' 235 224 0.97      
20 A" 3150 3008 14.03      
21 A" 3135 2993 3.33      
22 A" 3055 2917 25.43      
23 A" 1491 1424 2.14      
24 A" 1488 1420 2.14      
25 A" 1401 1338 6.31      
26 A" 1344 1283 0.45      
27 A" 1147 1095 1.11      
28 A" 999 954 0.48      
29 A" 957 914 0.30      
30 A" 934 891 1.87      
31 A" 328 313 0.97      
32 A" 212 202 0.05      
33 A" 67 64 6.88      

Unscaled Zero Point Vibrational Energy (zpe) 24845.8 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 23722.8 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 HSEh1PBE/6-31+G**
ABC
0.25752 0.12450 0.09409

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.276 0.555 2.172
H2 0.276 0.555 -2.172
H3 -1.019 1.398 -1.299
H4 -1.019 1.398 1.299
H5 0.632 2.043 1.271
H6 0.632 2.043 -1.271
C7 0.042 1.123 -1.267
C8 0.042 1.123 1.267
H9 1.416 0.030 0.000
C10 0.355 0.300 0.000
C11 -0.439 -0.960 0.000
H12 -1.528 -0.862 0.000
O13 0.042 -2.084 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 H4 H5 H6 C7 C8 H9 C10 C11 H12 O13
H14.34383.79911.77391.77493.76733.49311.09362.50862.18842.74303.15873.4264
H24.34381.77393.79913.76731.77491.09363.49312.50862.18842.74303.15873.4264
H33.79911.77392.59833.12211.77261.09612.79013.07982.18652.75372.65533.8648
H41.77393.79912.59831.77263.12212.79011.09613.07982.18652.75372.65533.8648
H51.77493.76733.12211.77262.54212.76311.09272.50582.17493.43193.83594.3584
H63.76731.77491.77263.12212.54211.09272.76312.50582.17493.43193.83594.3584
C73.49311.09361.09612.79012.76311.09272.53372.16501.54302.48502.82973.4485
C81.09363.49312.79011.09611.09272.76312.53372.16501.54302.48502.82973.4485
H92.50862.50863.07983.07982.50582.50582.16502.16501.09462.10253.07592.5220
C102.18842.18842.18652.18652.17492.17491.54301.54301.09461.48892.21212.4046
C112.74302.74302.75372.75373.43193.43192.48502.48502.10251.48891.09351.2227
H123.15873.15872.65532.65533.83593.83592.82972.82973.07592.21211.09351.9896
O133.42643.42643.86483.86484.35844.35843.44853.44852.52202.40461.22271.9896

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 108.212 H1 C8 H5 108.551
H1 C8 C10 111.045 H2 C7 H3 108.212
H2 C7 H6 108.551 H2 C7 C10 111.045
H3 C7 H6 108.165 H3 C7 C10 110.750
H4 C8 H5 108.165 H4 C8 C10 110.750
H5 C8 C10 110.033 H6 C7 C10 110.033
C7 C10 C8 110.374 C7 C10 H9 109.150
C7 C10 C11 110.074 C8 C10 H9 109.150
C8 C10 C11 110.074 H9 C10 C11 107.972
C10 C11 H12 117.049 C10 C11 O13 124.649
H12 C11 O13 118.302
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.181      
2 H 0.181      
3 H 0.170      
4 H 0.170      
5 H 0.173      
6 H 0.173      
7 C -0.607      
8 C -0.607      
9 H 0.189      
10 C 0.111      
11 C 0.117      
12 H 0.120      
13 O -0.372      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.513 3.054 0.000 3.097
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.015 1.207 0.000
y 1.207 -39.117 0.000
z 0.000 0.000 -31.048
Traceless
 xyz
x 4.067 1.207 0.000
y 1.207 -8.085 0.000
z 0.000 0.000 4.018
Polar
3z2-r28.036
x2-y28.102
xy1.207
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.028 -0.189 0.000
y -0.189 8.578 0.000
z 0.000 0.000 6.972


<r2> (average value of r2) Å2
<r2> 134.754
(<r2>)1/2 11.608