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All results from a given calculation for CH3CHCH3 (Isopropyl radical)

using model chemistry: MP2/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at MP2/aug-cc-pVQZ
 hartrees
Energy at 0K-118.226783
Energy at 298.15K-118.232999
HF Energy-117.687493
Nuclear repulsion energy75.852340
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 MP2/aug-cc-pVQZ
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' 3242 3079 17.52      
2 A' 3163 3004 13.07      
3 A' 3096 2941 33.03      
4 A' 3018 2866 31.05      
5 A' 1509 1433 5.37      
6 A' 1499 1423 14.81      
7 A' 1418 1347 4.25      
8 A' 1193 1133 2.12      
9 A' 1040 988 0.02      
10 A' 909 863 1.76      
11 A' 404 384 16.09      
12 A' 346 329 11.85      
13 A' 148 140 0.56      
14 A" 3164 3005 17.39      
15 A" 3098 2943 3.53      
16 A" 3017 2865 23.33      
17 A" 1496 1421 0.59      
18 A" 1487 1412 1.11      
19 A" 1427 1356 9.98      
20 A" 1376 1307 1.25      
21 A" 1169 1110 0.06      
22 A" 950 902 0.90      
23 A" 942 894 0.01      
24 A" 125 119 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 19617.5 cm-1
Scaled (by 0.9497) Zero Point Vibrational Energy (zpe) 18630.7 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 MP2/aug-cc-pVQZ
ABC
1.24184 0.28362 0.25259

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVQZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 0.546 0.000
C2 -0.013 -0.200 1.283
C3 -0.013 -0.200 -1.283
H4 0.266 1.588 0.000
H5 -0.783 -0.972 1.287
H6 -0.783 -0.972 -1.287
H7 0.941 -0.714 1.448
H8 -0.179 0.452 2.137
H9 0.941 -0.714 -1.448
H10 -0.179 0.452 -2.137

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48471.48471.07862.13472.13472.14352.14522.14352.1452
C21.48472.56692.21871.09082.79261.09601.08692.93813.4858
C31.48472.56692.21872.79261.09082.93813.48581.09601.0869
H41.07862.21872.21873.05203.05202.80242.46052.80242.4605
H52.13471.09082.79263.05202.57471.75041.76513.24313.7574
H62.13472.79261.09083.05202.57473.24313.75741.75041.7651
H72.14351.09602.93812.80241.75043.24311.75842.89503.9323
H82.14521.08693.48582.46051.76513.75741.75843.93234.2733
H92.14352.93811.09602.80243.24311.75042.89503.93231.7584
H102.14523.48581.08692.46053.75741.76513.93234.27331.7584

picture of Isopropyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.040 C1 C2 H7 111.431
C1 C2 H8 112.141 C1 C3 H6 111.040
C1 C3 H9 111.431 C1 C3 H10 112.141
C2 C1 C3 119.647 C2 C1 H4 119.050
C3 C1 H4 119.050 H5 C2 H7 106.343
H5 C2 H8 108.301 H6 C3 H9 106.343
H6 C3 H10 108.301 H7 C2 H8 107.323
H9 C3 H10 107.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability