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

using model chemistry: MP2/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-156.713895
Energy at 298.15K-156.721786
Nuclear repulsion energy118.887711
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/aug-cc-pVDZ
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 3171 3041 8.07      
2 A1 3160 3031 20.18      
3 A1 3047 2922 30.42      
4 A1 1706 1636 12.27      
5 A1 1492 1431 12.24      
6 A1 1438 1379 0.80      
7 A1 1393 1336 0.22      
8 A1 1074 1030 2.79      
9 A1 830 796 0.16      
10 A1 376 360 0.18      
11 A2 3119 2991 0.00      
12 A2 1458 1398 0.00      
13 A2 1008 967 0.00      
14 A2 699 671 0.00      
15 A2 176 169 0.00      
16 B1 3120 2992 34.04      
17 B1 1478 1417 15.31      
18 B1 1086 1041 0.89      
19 B1 910 873 42.53      
20 B1 429 411 8.13      
21 B1 219 210 0.55      
22 B2 3271 3137 15.03      
23 B2 3159 3030 20.18      
24 B2 3044 2919 21.14      
25 B2 1473 1413 3.55      
26 B2 1402 1344 10.03      
27 B2 1304 1251 0.77      
28 B2 991 951 0.25      
29 B2 958 919 0.04      
30 B2 433 415 1.55      

Unscaled Zero Point Vibrational Energy (zpe) 23711.8 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 22739.6 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/aug-cc-pVDZ
ABC
0.30062 0.27733 0.15253

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.118
C2 0.000 0.000 1.471
H3 0.000 0.936 2.038
H4 0.000 -0.936 2.038
C5 0.000 1.280 -0.683
C6 0.000 -1.280 -0.683
H7 0.000 2.166 -0.031
H8 0.887 1.326 -1.339
H9 -0.887 1.326 -1.339
H10 0.000 -2.166 -0.031
H11 -0.887 -1.326 -1.339
H12 0.887 -1.326 -1.339

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.35312.13542.13541.50981.50982.17132.16052.16052.17132.16052.1605
C21.35311.09371.09372.50572.50572.63633.23133.23132.63633.23133.2313
H32.13541.09371.87112.74253.50852.40743.51283.51283.72854.15964.1596
H42.13541.09371.87113.50852.74253.72854.15964.15962.40743.51283.5128
C51.50982.50572.74253.50852.55931.10031.10401.10403.50692.82962.8296
C61.50982.50573.50852.74252.55933.50692.82962.82961.10031.10401.1040
H72.17132.63632.40743.72851.10033.50691.78931.78934.33233.83303.8330
H82.16053.23133.51284.15961.10402.82961.78931.77413.83303.19092.6522
H92.16053.23133.51284.15961.10402.82961.78931.77413.83302.65223.1909
H102.17132.63633.72852.40743.50691.10034.33233.83303.83301.78931.7893
H112.16053.23134.15963.51282.82961.10403.83303.19092.65221.78931.7741
H122.16053.23134.15963.51282.82961.10403.83302.65223.19091.78931.7741

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 121.195 C1 C2 H4 121.195
C1 C5 H7 111.625 C1 C5 H8 110.537
C1 C5 H9 110.537 C1 C6 H10 111.625
C1 C6 H11 110.537 C1 C6 H12 110.537
C2 C1 C5 122.052 C2 C1 C6 122.052
H3 C2 H4 117.610 C5 C1 C6 115.895
H7 C5 H8 108.533 H7 C5 H9 108.533
H8 C5 H9 106.927 H10 C6 H11 108.533
H10 C6 H12 108.533 H11 C6 H12 106.927
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability