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

using model chemistry: MP2=FULL/6-311G*

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/6-311G*
 hartrees
Energy at 0K-156.759108
Energy at 298.15K-156.766952
HF Energy-156.138142
Nuclear repulsion energy119.609064
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/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3179 3011 16.06      
2 A1 3175 3007 13.06      
3 A1 3068 2906 26.86      
4 A1 1728 1636 8.24      
5 A1 1539 1457 15.54      
6 A1 1470 1392 0.63      
7 A1 1443 1367 1.70      
8 A1 1100 1042 3.77      
9 A1 836 792 0.09      
10 A1 381 361 0.22      
11 A2 3136 2971 0.00      
12 A2 1507 1428 0.00      
13 A2 1035 981 0.00      
14 A2 707 670 0.00      
15 A2 160 151 0.00      
16 B1 3138 2972 41.96      
17 B1 1527 1447 23.34      
18 B1 1119 1060 0.03      
19 B1 859 813 52.11      
20 B1 422 400 7.67      
21 B1 201 190 0.62      
22 B2 3273 3099 17.22      
23 B2 3174 3006 19.38      
24 B2 3064 2902 21.20      
25 B2 1524 1444 6.62      
26 B2 1448 1371 15.79      
27 B2 1326 1256 1.99      
28 B2 1003 950 0.00      
29 B2 985 933 0.17      
30 B2 439 415 1.15      

Unscaled Zero Point Vibrational Energy (zpe) 23982.7 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 22714.0 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/6-311G*
ABC
0.30444 0.28003 0.15418

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.120
C2 0.000 0.000 1.461
H3 0.000 0.925 2.028
H4 0.000 -0.925 2.028
C5 0.000 1.274 -0.679
C6 0.000 -1.274 -0.679
H7 0.000 2.155 -0.035
H8 0.879 1.323 -1.330
H9 -0.879 1.323 -1.330
H10 0.000 -2.155 -0.035
H11 -0.879 -1.323 -1.330
H12 0.879 -1.323 -1.330

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.34082.12052.12051.50391.50392.16072.15112.15112.16072.15112.1511
C21.34081.08541.08542.49062.49062.62363.21163.21162.62363.21163.2116
H32.12051.08541.85082.72973.48802.40213.49433.49433.70784.13614.1361
H42.12051.08541.85083.48802.72973.70784.13614.13612.40213.49433.4943
C51.50392.49062.72973.48802.54751.09151.09501.09503.48882.81782.8178
C61.50392.49063.48802.72972.54753.48882.81782.81781.09151.09501.0950
H72.16072.62362.40213.70781.09153.48881.77261.77264.31023.81403.8140
H82.15113.21163.49434.13611.09502.81781.77261.75813.81403.17682.6460
H92.15113.21163.49434.13611.09502.81781.77261.75813.81402.64603.1768
H102.16072.62363.70782.40213.48881.09154.31023.81403.81401.77261.7726
H112.15113.21164.13613.49432.81781.09503.81403.17682.64601.77261.7581
H122.15113.21164.13613.49432.81781.09503.81402.64603.17681.77261.7581

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 121.503 C1 C2 H4 121.503
C1 C5 H7 111.734 C1 C5 H8 110.742
C1 C5 H9 110.742 C1 C6 H10 111.734
C1 C6 H11 110.742 C1 C6 H12 110.742
C2 C1 C5 122.114 C2 C1 C6 122.114
H3 C2 H4 116.995 C5 C1 C6 115.772
H7 C5 H8 108.329 H7 C5 H9 108.329
H8 C5 H9 106.791 H10 C6 H11 108.329
H10 C6 H12 108.329 H11 C6 H12 106.791
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability