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

using model chemistry: BLYP/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 BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-157.135091
Energy at 298.15K-157.142874
Nuclear repulsion energy118.786320
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 BLYP/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 3065 3048 9.73      
2 A1 3036 3019 21.37      
3 A1 2943 2927 42.36      
4 A1 1667 1658 13.58      
5 A1 1467 1459 7.83      
6 A1 1411 1403 0.50      
7 A1 1378 1371 0.01      
8 A1 1059 1054 3.59      
9 A1 790 786 0.17      
10 A1 366 364 0.24      
11 A2 2977 2960 0.00      
12 A2 1435 1427 0.00      
13 A2 998 993 0.00      
14 A2 687 684 0.00      
15 A2 173 172 0.00      
16 B1 2980 2963 50.84      
17 B1 1453 1445 10.49      
18 B1 1077 1071 0.24      
19 B1 888 883 33.14      
20 B1 430 428 3.94      
21 B1 209 208 0.43      
22 B2 3140 3123 21.02      
23 B2 3034 3017 26.15      
24 B2 2936 2920 20.08      
25 B2 1448 1440 2.79      
26 B2 1367 1360 2.27      
27 B2 1255 1248 5.30      
28 B2 961 955 0.59      
29 B2 936 931 0.04      
30 B2 425 422 1.75      

Unscaled Zero Point Vibrational Energy (zpe) 22994.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 22867.9 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 BLYP/6-31G(2df,p)
ABC
0.30096 0.27566 0.15204

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.125
C2 0.000 0.000 1.467
H3 0.000 0.928 2.043
H4 0.000 -0.928 2.043
C5 0.000 1.283 -0.682
C6 0.000 -1.283 -0.682
H7 0.000 2.174 -0.037
H8 0.883 1.338 -1.344
H9 -0.883 1.338 -1.344
H10 0.000 -2.174 -0.037
H11 -0.883 -1.338 -1.344
H12 0.883 -1.338 -1.344

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.34272.13102.13101.51611.51612.18002.17412.17412.18002.17412.1741
C21.34271.09221.09222.50382.50382.64393.23633.23632.64393.23633.2363
H32.13101.09221.85662.74833.50982.42453.52403.52403.73514.16964.1696
H42.13101.09221.85663.50982.74833.73514.16964.16962.42453.52403.5240
C51.51612.50382.74833.50982.56681.09981.10491.10493.51712.84392.8439
C61.51612.50383.50982.74832.56683.51712.84392.84391.09981.10491.1049
H72.18002.64392.42453.73511.09983.51711.78541.78544.34803.84963.8496
H82.17413.23633.52404.16961.10492.84391.78541.76673.84963.20602.6753
H92.17413.23633.52404.16961.10492.84391.78541.76673.84962.67533.2060
H102.18002.64393.73512.42453.51711.09984.34803.84963.84961.78541.7854
H112.17413.23634.16963.52402.84391.10493.84963.20602.67531.78541.7667
H122.17413.23634.16963.52402.84391.10493.84962.67533.20601.78541.7667

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 121.794 C1 C2 H4 121.794
C1 C5 H7 111.910 C1 C5 H8 111.118
C1 C5 H9 111.118 C1 C6 H10 111.910
C1 C6 H11 111.118 C1 C6 H12 111.118
C2 C1 C5 122.166 C2 C1 C6 122.166
H3 C2 H4 116.413 C5 C1 C6 115.667
H7 C5 H8 108.151 H7 C5 H9 108.151
H8 C5 H9 106.159 H10 C6 H11 108.151
H10 C6 H12 108.151 H11 C6 H12 106.159
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.444      
2 C -0.373      
3 H 0.080      
4 H 0.080      
5 C -0.434      
6 C -0.434      
7 H 0.105      
8 H 0.107      
9 H 0.107      
10 H 0.105      
11 H 0.107      
12 H 0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -0.518 0.518
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.533 0.000 0.000
y 0.000 -25.716 0.000
z 0.000 0.000 -26.170
Traceless
 xyz
x -1.590 0.000 0.000
y 0.000 1.135 0.000
z 0.000 0.000 0.455
Polar
3z2-r20.910
x2-y2-1.817
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.673 0.000 0.000
y 0.000 7.005 0.000
z 0.000 0.000 8.567


<r2> (average value of r2) Å2
<r2> 91.931
(<r2>)1/2 9.588