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

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-156.646397
Energy at 298.15K-156.654308
HF Energy-156.109785
Nuclear repulsion energy119.669229
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/6-31G*
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 3209 3023 7.87      
2 A1 3198 3013 18.40      
3 A1 3092 2914 23.58      
4 A1 1754 1653 5.97      
5 A1 1565 1475 10.21      
6 A1 1499 1412 0.16      
7 A1 1467 1382 0.37      
8 A1 1116 1052 4.18      
9 A1 842 794 0.04      
10 A1 384 362 0.23      
11 A2 3162 2979 0.00      
12 A2 1535 1446 0.00      
13 A2 1056 995 0.00      
14 A2 720 678 0.00      
15 A2 177 167 0.00      
16 B1 3164 2981 39.06      
17 B1 1552 1462 16.95      
18 B1 1143 1077 0.15      
19 B1 906 854 46.44      
20 B1 432 407 5.29      
21 B1 209 197 0.58      
22 B2 3298 3107 16.03      
23 B2 3197 3012 16.95      
24 B2 3089 2910 17.57      
25 B2 1553 1463 4.71      
26 B2 1470 1385 9.96      
27 B2 1345 1267 2.27      
28 B2 1014 956 0.00      
29 B2 999 942 0.27      
30 B2 441 415 1.16      

Unscaled Zero Point Vibrational Energy (zpe) 24292.9 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 22888.8 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/6-31G*
ABC
0.30500 0.28033 0.15443

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.111
C2 0.000 0.000 1.453
H3 0.000 0.923 2.025
H4 0.000 -0.923 2.025
C5 0.000 1.286 -0.676
C6 0.000 -1.286 -0.676
H7 0.000 2.152 -0.011
H8 0.880 1.346 -1.325
H9 -0.880 1.346 -1.325
H10 0.000 -2.152 -0.011
H11 -0.880 -1.346 -1.325
H12 0.880 -1.346 -1.325

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.34222.12472.12471.50761.50762.15512.15562.15562.15512.15562.1556
C21.34221.08581.08582.48722.48722.60273.20973.20972.60273.20973.2097
H32.12471.08581.84652.72473.48902.37793.48873.48873.68784.14024.1402
H42.12471.08581.84653.48902.72473.68784.14024.14022.37793.48873.4887
C51.50762.48722.72473.48902.57211.09121.09491.09493.50132.85002.8500
C61.50762.48723.48902.72472.57213.50132.85002.85001.09121.09491.0949
H72.15512.60272.37793.68781.09123.50131.77431.77434.30333.83823.8382
H82.15563.20973.48874.14021.09492.85001.77431.75963.83823.21602.6919
H92.15563.20973.48874.14021.09492.85001.77431.75963.83822.69193.2160
H102.15512.60273.68782.37793.50131.09124.30333.83823.83821.77431.7743
H112.15563.20974.14023.48872.85001.09493.83823.21602.69191.77431.7596
H122.15563.20974.14023.48872.85001.09493.83822.69193.21601.77431.7596

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 121.758 C1 C2 H4 121.758
C1 C5 H7 111.034 C1 C5 H8 110.852
C1 C5 H9 110.852 C1 C6 H10 111.034
C1 C6 H11 110.852 C1 C6 H12 110.852
C2 C1 C5 121.456 C2 C1 C6 121.456
H3 C2 H4 116.484 C5 C1 C6 117.088
H7 C5 H8 108.511 H7 C5 H9 108.511
H8 C5 H9 106.946 H10 C6 H11 108.511
H10 C6 H12 108.511 H11 C6 H12 106.946
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability