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

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-156.720637
Energy at 298.15K-156.728494
HF Energy-156.127155
Nuclear repulsion energy119.788249
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/6-31+G**
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 3228 3032 11.54      
2 A1 3220 3024 18.21      
3 A1 3106 2917 30.93      
4 A1 1740 1634 10.45      
5 A1 1550 1456 13.03      
6 A1 1487 1396 0.72      
7 A1 1453 1365 0.31      
8 A1 1109 1042 2.28      
9 A1 838 787 0.12      
10 A1 381 358 0.11      
11 A2 3183 2989 0.00      
12 A2 1513 1421 0.00      
13 A2 1040 977 0.00      
14 A2 710 667 0.00      
15 A2 164 154 0.00      
16 B1 3184 2990 35.84      
17 B1 1529 1436 18.00      
18 B1 1124 1055 1.81      
19 B1 884 830 56.39      
20 B1 410 385 7.37      
21 B1 204 192 0.92      
22 B2 3325 3123 16.77      
23 B2 3219 3023 21.59      
24 B2 3103 2914 24.68      
25 B2 1534 1441 4.99      
26 B2 1454 1366 10.48      
27 B2 1336 1255 1.92      
28 B2 1010 949 0.10      
29 B2 991 931 0.02      
30 B2 437 410 1.25      

Unscaled Zero Point Vibrational Energy (zpe) 24232.8 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 22759.5 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/6-31+G**
ABC
0.30487 0.28094 0.15452

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.119
C2 0.000 0.000 1.461
H3 0.000 0.923 2.024
H4 0.000 -0.923 2.024
C5 0.000 1.272 -0.679
C6 0.000 -1.272 -0.679
H7 0.000 2.149 -0.035
H8 0.877 1.319 -1.327
H9 -0.877 1.319 -1.327
H10 0.000 -2.149 -0.035
H11 -0.877 -1.319 -1.327
H12 0.877 -1.319 -1.327

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.34232.11742.11741.50201.50202.15452.14482.14482.15452.14482.1448
C21.34231.08131.08132.49012.49012.61843.20673.20672.61843.20673.2067
H32.11741.08131.84592.72633.48282.39663.48683.48683.69834.12664.1266
H42.11741.08131.84593.48282.72633.69834.12664.12662.39663.48683.4868
C51.50202.49012.72633.48282.54491.08811.09131.09133.48172.81192.8119
C61.50202.49013.48282.72632.54493.48172.81192.81191.08811.09131.0913
H72.15452.61842.39663.69831.08813.48171.76831.76834.29813.80393.8039
H82.14483.20673.48684.12661.09132.81191.76831.75433.80393.16882.6389
H92.14483.20673.48684.12661.09132.81191.76831.75433.80392.63893.1688
H102.15452.61843.69832.39663.48171.08814.29813.80393.80391.76831.7683
H112.14483.20674.12663.48682.81191.09133.80393.16882.63891.76831.7543
H122.14483.20674.12663.48682.81191.09133.80392.63893.16881.76831.7543

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 121.400 C1 C2 H4 121.400
C1 C5 H7 111.577 C1 C5 H8 110.598
C1 C5 H9 110.598 C1 C6 H10 111.577
C1 C6 H11 110.598 C1 C6 H12 110.598
C2 C1 C5 122.098 C2 C1 C6 122.098
H3 C2 H4 117.201 C5 C1 C6 115.804
H7 C5 H8 108.468 H7 C5 H9 108.468
H8 C5 H9 106.983 H10 C6 H11 108.468
H10 C6 H12 108.468 H11 C6 H12 106.983
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability