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All results from a given calculation for CH2C(CH3)CH3 (1-Propene, 2-methyl-)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-156.917297
Energy at 298.15K-156.925246
HF Energy-156.168716
Nuclear repulsion energy120.500094
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=FULL/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 A1 3201 3039 5.84      
2 A1 3173 3013 15.92      
3 A1 3079 2923 25.91      
4 A1 1736 1648 11.26      
5 A1 1525 1448 14.11      
6 A1 1462 1388 0.23      
7 A1 1418 1346 0.67      
8 A1 1092 1036 3.40      
9 A1 839 797 0.21      
10 A1 379 360 0.21      
11 A2 3135 2976 0.00      
12 A2 1495 1420 0.00      
13 A2 1033 980 0.00      
14 A2 716 680 0.00      
15 A2 177 168 0.00      
16 B1 3136 2977 29.73      
17 B1 1514 1437 16.91      
18 B1 1115 1058 0.01      
19 B1 945 897 42.51      
20 B1 439 417 7.05      
21 B1 220 209 0.47      
22 B2 3276 3110 12.13      
23 B2 3172 3011 17.54      
24 B2 3075 2920 17.21      
25 B2 1509 1433 3.98      
26 B2 1423 1351 11.82      
27 B2 1321 1254 1.29      
28 B2 999 949 0.18      
29 B2 973 924 0.05      
30 B2 435 413 1.58      

Unscaled Zero Point Vibrational Energy (zpe) 24004.5 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 22789.9 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=FULL/cc-pVTZ
ABC
0.30917 0.28424 0.15655

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.108
C2 0.000 0.000 1.441
H3 0.000 0.920 2.001
H4 0.000 -0.920 2.001
C5 0.000 1.278 -0.670
C6 0.000 -1.278 -0.670
H7 0.000 2.132 -0.003
H8 0.875 1.334 -1.313
H9 -0.875 1.334 -1.313
H10 0.000 -2.132 -0.003
H11 -0.875 -1.334 -1.313
H12 0.875 -1.334 -1.313

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.33242.10452.10451.49671.49672.13522.13662.13662.13522.13662.1366
C21.33241.07711.07712.46772.46772.57533.18233.18232.57533.18233.1823
H32.10451.07711.83942.69533.45942.34293.45253.45253.65154.10234.1023
H42.10451.07711.83943.45942.69533.65154.10234.10232.34293.45253.4525
C51.49672.46772.69533.45942.55671.08331.08691.08693.47522.82922.8292
C61.49672.46773.45942.69532.55673.47522.82922.82921.08331.08691.0869
H72.13522.57532.34293.65151.08333.47521.76531.76534.26463.80753.8075
H82.13663.18233.45254.10231.08692.82921.76531.74953.80753.19102.6686
H92.13663.18233.45254.10231.08692.82921.76531.74953.80752.66863.1910
H102.13522.57533.65152.34293.47521.08334.26463.80753.80751.76531.7653
H112.13663.18234.10233.45252.82921.08693.80753.19102.66861.76531.7495
H122.13663.18234.10233.45252.82921.08693.80752.66863.19101.76531.7495

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 121.363 C1 C2 H4 121.363
C1 C5 H7 110.686 C1 C5 H8 110.580
C1 C5 H9 110.580 C1 C6 H10 110.686
C1 C6 H11 110.580 C1 C6 H12 110.580
C2 C1 C5 121.338 C2 C1 C6 121.338
H3 C2 H4 117.275 C5 C1 C6 117.323
H7 C5 H8 108.859 H7 C5 H9 108.859
H8 C5 H9 107.184 H10 C6 H11 108.859
H10 C6 H12 108.859 H11 C6 H12 107.184
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability