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

using model chemistry: CID/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 2A
Energy calculated at CID/cc-pVTZ
 hartrees
Energy at 0K-118.159193
Energy at 298.15K-118.165482
HF Energy-117.679820
Nuclear repulsion energy75.813608
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 CID/cc-pVTZ
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' 3281 3040 24.16      
2 A' 3201 2966 20.31      
3 A' 3147 2916 45.76      
4 A' 3076 2850 38.63      
5 A' 1551 1437 4.61      
6 A' 1543 1429 13.21      
7 A' 1471 1363 3.55      
8 A' 1228 1138 2.14      
9 A' 1080 1000 0.14      
10 A' 918 851 1.72      
11 A' 427 396 17.65      
12 A' 359 333 6.95      
13 A' 152 141 0.17      
14 A" 3202 2966 23.26      
15 A" 3146 2915 5.15      
16 A" 3073 2847 24.08      
17 A" 1541 1428 0.48      
18 A" 1532 1419 1.14      
19 A" 1478 1369 7.73      
20 A" 1420 1316 2.40      
21 A" 1189 1101 0.00      
22 A" 982 910 0.61      
23 A" 971 900 0.18      
24 A" 118 109 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 20042.9 cm-1
Scaled (by 0.9265) Zero Point Vibrational Energy (zpe) 18569.7 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 CID/cc-pVTZ
ABC
1.25281 0.28127 0.25113

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.013 0.543 0.000
C2 -0.013 -0.200 1.290
C3 -0.013 -0.200 -1.290
H4 0.287 1.575 0.000
H5 -0.766 -0.984 1.290
H6 -0.766 -0.984 -1.290
H7 0.946 -0.688 1.472
H8 -0.207 0.455 2.131
H9 0.946 -0.688 -1.472
H10 -0.207 0.455 -2.131

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10
C11.48821.48821.07522.13552.13552.14492.14182.14492.1418
C21.48822.57962.21451.08652.79941.09161.08342.96403.4884
C31.48822.57962.21452.79941.08652.96403.48841.09161.0834
H41.07522.21452.21453.05283.05282.77872.45802.77872.4580
H52.13551.08652.79943.05282.58041.74671.75733.26303.7533
H62.13552.79941.08653.05282.58043.26303.75331.74671.7573
H72.14491.09162.96402.77871.74673.26301.75192.94383.9518
H82.14181.08343.48842.45801.75733.75331.75193.95184.2625
H92.14492.96401.09162.77873.26301.74672.94383.95181.7519
H102.14183.48841.08342.45803.75331.75733.95184.26251.7519

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 111.112 C1 C2 H7 111.570
C1 C2 H8 111.822 C1 C3 H6 111.112
C1 C3 H9 111.570 C1 C3 H10 111.822
C2 C1 C3 120.145 C2 C1 H4 118.623
C3 C1 H4 118.623 H5 C2 H7 106.628
H5 C2 H8 108.157 H6 C3 H9 106.628
H6 C3 H10 108.157 H7 C2 H8 107.309
H9 C3 H10 107.309
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability