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All results from a given calculation for CH2C(CH3)CH3 (1-Propene, 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 C2V 1A1
Energy calculated at HSEh1PBE/3-21G
 hartrees
Energy at 0K-156.182329
Energy at 298.15K-156.190273
HF Energy-156.182329
Nuclear repulsion energy119.549667
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 A1 3170 3054 5.81      
2 A1 3151 3036 13.22      
3 A1 3053 2940 25.74      
4 A1 1754 1690 11.54      
5 A1 1560 1503 16.31      
6 A1 1493 1438 0.63      
7 A1 1463 1410 4.37      
8 A1 1121 1079 6.37      
9 A1 819 789 0.03      
10 A1 380 366 0.42      
11 A2 3103 2989 0.00      
12 A2 1535 1478 0.00      
13 A2 1060 1021 0.00      
14 A2 720 693 0.00      
15 A2 176 170 0.00      
16 B1 3107 2993 35.16      
17 B1 1555 1498 25.51      
18 B1 1146 1104 6.10      
19 B1 951 916 59.99      
20 B1 434 418 10.89      
21 B1 211 204 1.06      
22 B2 3253 3134 15.19      
23 B2 3149 3034 18.18      
24 B2 3048 2936 13.46      
25 B2 1545 1488 6.41      
26 B2 1450 1397 19.53      
27 B2 1323 1274 7.79      
28 B2 1017 980 0.37      
29 B2 985 949 0.45      
30 B2 445 429 0.71      

Unscaled Zero Point Vibrational Energy (zpe) 24088.1 cm-1
Scaled (by 0.9633) Zero Point Vibrational Energy (zpe) 23204.1 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
0.30334 0.28065 0.15419

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.128
C2 0.000 0.000 1.461
H3 0.000 0.925 2.030
H4 0.000 -0.925 2.030
C5 0.000 1.273 -0.682
C6 0.000 -1.273 -0.682
H7 0.000 2.157 -0.038
H8 0.885 1.312 -1.332
H9 -0.885 1.312 -1.332
H10 0.000 -2.157 -0.038
H11 -0.885 -1.312 -1.332
H12 0.885 -1.312 -1.332

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.33302.11512.11511.50861.50862.16372.15352.15352.16372.15352.1535
C21.33301.08621.08622.49262.49262.62733.21063.21062.62733.21063.2106
H32.11511.08621.85042.73443.49092.40763.49843.49843.71224.13464.1346
H42.11511.08621.85043.49092.73443.71224.13464.13462.40763.49843.4984
C51.50862.49262.73443.49092.54511.09421.09851.09853.48972.80822.8082
C61.50862.49263.49092.73442.54513.48972.80822.80821.09421.09851.0985
H72.16372.62732.40763.71221.09423.48971.78081.78084.31463.80723.8072
H82.15353.21063.49844.13461.09852.80821.78081.76913.80723.16502.6244
H92.15353.21063.49844.13461.09852.80821.78081.76913.80722.62443.1650
H102.16372.62733.71222.40763.48971.09424.31463.80723.80721.78081.7808
H112.15353.21064.13463.49842.80821.09853.80723.16502.62441.78081.7691
H122.15353.21064.13463.49842.80821.09853.80722.62443.16501.78081.7691

picture of 1-Propene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H3 121.590 C1 C2 H4 121.590
C1 C5 H7 111.470 C1 C5 H8 110.387
C1 C5 H9 110.387 C1 C6 H10 111.470
C1 C6 H11 110.387 C1 C6 H12 110.387
C2 C1 C5 122.488 C2 C1 C6 122.488
H3 C2 H4 116.821 C5 C1 C6 115.024
H7 C5 H8 108.606 H7 C5 H9 108.606
H8 C5 H9 107.263 H10 C6 H11 108.606
H10 C6 H12 108.606 H11 C6 H12 107.263
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability