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

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-156.594285
Energy at 298.15K-156.602284
HF Energy-156.110426
Nuclear repulsion energy119.939001
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/6-31G*
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 3261 3012 8.30      
2 A1 3238 2991 21.79      
3 A1 3140 2901 32.44      
4 A1 1833 1693 11.28      
5 A1 1592 1471 10.09      
6 A1 1533 1416 0.10      
7 A1 1501 1386 0.09      
8 A1 1144 1056 3.33      
9 A1 857 792 0.03      
10 A1 392 362 0.25      
11 A2 3195 2951 0.00      
12 A2 1561 1442 0.00      
13 A2 1077 995 0.00      
14 A2 739 683 0.00      
15 A2 174 161 0.00      
16 B1 3198 2954 50.19      
17 B1 1578 1458 16.27      
18 B1 1172 1083 0.13      
19 B1 968 895 48.57      
20 B1 452 417 5.62      
21 B1 211 195 0.44      
22 B2 3340 3085 19.34      
23 B2 3236 2989 21.92      
24 B2 3134 2895 18.41      
25 B2 1578 1458 4.42      
26 B2 1509 1394 9.27      
27 B2 1374 1269 2.36      
28 B2 1034 955 0.01      
29 B2 1019 941 0.32      
30 B2 453 419 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 24746.9 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 22858.7 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/6-31G*
ABC
0.30692 0.28066 0.15497

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.124
C2 0.000 0.000 1.453
H3 0.000 0.920 2.022
H4 0.000 -0.920 2.022
C5 0.000 1.273 -0.677
C6 0.000 -1.273 -0.677
H7 0.000 2.152 -0.035
H8 0.877 1.322 -1.326
H9 -0.877 1.322 -1.326
H10 0.000 -2.152 -0.035
H11 -0.877 -1.322 -1.326
H12 0.877 -1.322 -1.326

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.32872.10952.10951.50401.50402.15762.14952.14952.15762.14952.1495
C21.32871.08181.08182.48132.48132.61593.19993.19992.61593.19993.1999
H32.10951.08181.83912.72283.47782.39823.48493.48493.69684.12404.1240
H42.10951.08181.83913.47782.72283.69684.12404.12402.39823.48493.4849
C51.50402.48132.72283.47782.54551.08871.09241.09243.48422.81502.8150
C61.50402.48133.47782.72282.54553.48422.81502.81501.08871.09241.0924
H72.15762.61592.39823.69681.08873.48421.76781.76784.30353.80853.8085
H82.14953.19993.48494.12401.09242.81501.76781.75493.80853.17352.6442
H92.14953.19993.48494.12401.09242.81501.76781.75493.80852.64423.1735
H102.15762.61593.69682.39823.48421.08874.30353.80853.80851.76781.7678
H112.14953.19994.12403.48492.81501.09243.80853.17352.64421.76781.7549
H122.14953.19994.12403.48492.81501.09243.80852.64423.17351.76781.7549

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 121.786 C1 C2 H4 121.786
C1 C5 H7 111.648 C1 C5 H8 110.771
C1 C5 H9 110.771 C1 C6 H10 111.648
C1 C6 H11 110.771 C1 C6 H12 110.771
C2 C1 C5 122.193 C2 C1 C6 122.193
H3 C2 H4 116.429 C5 C1 C6 115.613
H7 C5 H8 108.298 H7 C5 H9 108.298
H8 C5 H9 106.886 H10 C6 H11 108.298
H10 C6 H12 108.298 H11 C6 H12 106.886
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability