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

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-156.755159
Energy at 298.15K-156.762897
HF Energy-156.163522
Nuclear repulsion energy119.880770
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/TZVP
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 3190 3024 9.04      
2 A1 3178 3013 20.01      
3 A1 3072 2912 29.44      
4 A1 1723 1634 9.18      
5 A1 1527 1447 12.45      
6 A1 1468 1391 0.29      
7 A1 1434 1359 0.43      
8 A1 1099 1041 2.11      
9 A1 830 787 0.13      
10 A1 377 357 0.12      
11 A2 3140 2977 0.00      
12 A2 1481 1403 0.00      
13 A2 1023 970 0.00      
14 A2 697 661 0.00      
15 A2 140 132 0.00      
16 B1 3141 2978 37.74      
17 B1 1500 1422 18.12      
18 B1 1111 1053 2.17      
19 B1 766 726 48.59      
20 B1 390 370 3.84      
21 B1 197 187 0.84      
22 B2 3284 3113 15.33      
23 B2 3177 3011 20.80      
24 B2 3068 2908 21.79      
25 B2 1512 1433 4.24      
26 B2 1433 1358 9.31      
27 B2 1318 1249 2.17      
28 B2 996 944 0.19      
29 B2 979 928 0.00      
30 B2 434 412 1.46      

Unscaled Zero Point Vibrational Energy (zpe) 23841.8 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 22599.6 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/TZVP
ABC
0.30613 0.28102 0.15490

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

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 1.457
H3 0.000 0.925 2.020
H4 0.000 -0.925 2.020
C5 0.000 1.272 -0.678
C6 0.000 -1.272 -0.678
H7 0.000 2.150 -0.033
H8 0.879 1.319 -1.326
H9 -0.879 1.319 -1.326
H10 0.000 -2.150 -0.033
H11 -0.879 -1.319 -1.326
H12 0.879 -1.319 -1.326

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.33652.11262.11261.50161.50162.15582.14532.14532.15582.14532.1453
C21.33651.08251.08252.48492.48492.61633.20223.20222.61633.20223.2022
H32.11261.08251.84912.72013.47882.39143.48163.48163.69754.12284.1228
H42.11261.08251.84913.47882.72013.69754.12284.12282.39143.48163.4816
C51.50162.48492.72013.47882.54371.08951.09281.09283.48232.81112.8111
C61.50162.48493.47882.72012.54373.48232.81112.81111.08951.09281.0928
H72.15582.61632.39143.69751.08953.48231.77041.77044.30073.80473.8047
H82.14533.20223.48164.12281.09282.81111.77041.75753.80473.16912.6371
H92.14533.20223.48164.12281.09282.81111.77041.75753.80472.63713.1691
H102.15582.61633.69752.39143.48231.08954.30073.80473.80471.77041.7704
H112.14533.20224.12283.48162.81111.09283.80473.16912.63711.77041.7575
H122.14533.20224.12283.48162.81111.09283.80472.63713.16911.77041.7575

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 121.339 C1 C2 H4 121.339
C1 C5 H7 111.626 C1 C5 H8 110.573
C1 C5 H9 110.573 C1 C6 H10 111.626
C1 C6 H11 110.573 C1 C6 H12 110.573
C2 C1 C5 122.114 C2 C1 C6 122.114
H3 C2 H4 117.322 C5 C1 C6 115.772
H7 C5 H8 108.434 H7 C5 H9 108.434
H8 C5 H9 107.054 H10 C6 H11 108.434
H10 C6 H12 108.434 H11 C6 H12 107.054
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability