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

using model chemistry: CCSD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-156.823722
Energy at 298.15K-156.831630
Nuclear repulsion energy 
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 CCSD/6-31G(2df,p)
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 3191 3017 5.74      
2 A1 3174 3001 17.68      
3 A1 3076 2908 24.62      
4 A1 1755 1659 10.14      
5 A1 1534 1450 9.44      
6 A1 1476 1396 0.07      
7 A1 1441 1362 0.06      
8 A1 1102 1042 3.78      
9 A1 830 785 0.11      
10 A1 375 354 0.23      
11 A2 3132 2961 0.00      
12 A2 1505 1423 0.00      
13 A2 1037 981 0.00      
14 A2 719 679 0.00      
15 A2 172 163 0.00      
16 B1 3135 2964 36.01      
17 B1 1522 1439 13.10      
18 B1 1121 1060 0.05      
19 B1 941 890 36.72      
20 B1 436 412 4.67      
21 B1 211 200 0.38      
22 B2 3275 3096 13.18      
23 B2 3171 2999 16.94      
24 B2 3072 2904 15.45      
25 B2 1519 1436 3.36      
26 B2 1445 1367 7.33      
27 B2 1326 1253 2.76      
28 B2 1004 950 0.07      
29 B2 980 927 0.16      
30 B2 434 410 1.51      

Unscaled Zero Point Vibrational Energy (zpe) 24054.0 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 22743.1 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 CCSD/6-31G(2df,p)
ABC
0.30475 0.27964 0.15413

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.114
C2 0.000 0.000 1.451
H3 0.000 0.922 2.021
H4 0.000 -0.922 2.021
C5 0.000 1.290 -0.675
C6 0.000 -1.290 -0.675
H7 0.000 2.155 -0.012
H8 0.879 1.349 -1.325
H9 -0.879 1.349 -1.325
H10 0.000 -2.155 -0.012
H11 -0.879 -1.349 -1.325
H12 0.879 -1.349 -1.325

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.33732.11832.11831.51221.51222.15872.15902.15902.15872.15902.1590
C21.33731.08401.08402.48712.48712.60483.20883.20882.60483.20883.2088
H32.11831.08401.84442.72113.48752.37753.48503.48503.68814.13794.1379
H42.11831.08401.84443.48752.72113.68814.13794.13792.37753.48503.4850
C51.51222.48712.72113.48752.58011.09001.09411.09413.50832.85642.8564
C61.51222.48713.48752.72112.58013.50832.85642.85641.09001.09411.0941
H72.15872.60482.37753.68811.09003.50831.77311.77314.31003.84373.8437
H82.15903.20883.48504.13791.09412.85641.77311.75743.84373.22032.6985
H92.15903.20883.48504.13791.09412.85641.77311.75743.84372.69853.2203
H102.15872.60483.68812.37753.50831.09004.31003.84373.84371.77311.7731
H112.15903.20884.13793.48502.85641.09413.84373.22032.69851.77311.7574
H122.15903.20884.13793.48502.85641.09413.84372.69853.22031.77311.7574

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 121.706 C1 C2 H4 121.706
C1 C5 H7 111.069 C1 C5 H8 110.841
C1 C5 H9 110.841 C1 C6 H10 111.069
C1 C6 H11 110.841 C1 C6 H12 110.841
C2 C1 C5 121.453 C2 C1 C6 121.453
H3 C2 H4 116.588 C5 C1 C6 117.094
H7 C5 H8 108.547 H7 C5 H9 108.547
H8 C5 H9 106.857 H10 C6 H11 108.547
H10 C6 H12 108.547 H11 C6 H12 106.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability