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

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-157.132916
Energy at 298.15K-157.140690
Nuclear repulsion energy118.613644
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**
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 3070 3047 11.25      
2 A1 3046 3023 22.24      
3 A1 2950 2928 45.06      
4 A1 1676 1664 12.56      
5 A1 1480 1469 7.41      
6 A1 1418 1408 0.65      
7 A1 1390 1379 0.02      
8 A1 1061 1053 4.12      
9 A1 790 784 0.10      
10 A1 369 366 0.27      
11 A2 2987 2964 0.00      
12 A2 1449 1438 0.00      
13 A2 1000 993 0.00      
14 A2 686 681 0.00      
15 A2 173 172 0.00      
16 B1 2990 2967 58.81      
17 B1 1466 1455 11.79      
18 B1 1080 1071 0.66      
19 B1 881 874 35.91      
20 B1 425 421 4.57      
21 B1 209 207 0.59      
22 B2 3150 3125 24.80      
23 B2 3044 3021 27.37      
24 B2 2944 2921 21.19      
25 B2 1462 1451 3.07      
26 B2 1383 1372 2.82      
27 B2 1261 1251 5.64      
28 B2 963 955 0.37      
29 B2 938 931 0.00      
30 B2 427 424 1.54      

Unscaled Zero Point Vibrational Energy (zpe) 23084.0 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 22906.2 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**
ABC
0.30029 0.27452 0.15154

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.123
C2 0.000 0.000 1.470
H3 0.000 0.930 2.045
H4 0.000 -0.930 2.045
C5 0.000 1.286 -0.683
C6 0.000 -1.286 -0.683
H7 0.000 2.176 -0.037
H8 0.884 1.342 -1.344
H9 -0.884 1.342 -1.344
H10 0.000 -2.176 -0.037
H11 -0.884 -1.342 -1.344
H12 0.884 -1.342 -1.344

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.34702.13532.13531.51791.51792.18222.17592.17592.18222.17592.1759
C21.34701.09341.09342.50792.50792.64683.24063.24062.64683.24063.2406
H32.13531.09341.85992.75123.51482.42613.52673.52673.73924.17494.1749
H42.13531.09341.85993.51482.75123.73924.17494.17492.42613.52673.5267
C51.51792.50792.75123.51482.57251.10011.10531.10533.52252.85072.8507
C61.51792.50793.51482.75122.57253.52252.85072.85071.10011.10531.1053
H72.18222.64682.42613.73921.10013.52251.78541.78544.35273.85623.8562
H82.17593.24063.52674.17491.10532.85071.78541.76793.85623.21392.6840
H92.17593.24063.52674.17491.10532.85071.78541.76793.85622.68403.2139
H102.18222.64683.73922.42613.52251.10014.35273.85623.85621.78541.7854
H112.17593.24064.17493.52672.85071.10533.85623.21392.68401.78541.7679
H122.17593.24064.17493.52672.85071.10533.85622.68403.21391.78541.7679

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 121.734 C1 C2 H4 121.734
C1 C5 H7 111.938 C1 C5 H8 111.122
C1 C5 H9 111.122 C1 C6 H10 111.938
C1 C6 H11 111.122 C1 C6 H12 111.122
C2 C1 C5 122.069 C2 C1 C6 122.069
H3 C2 H4 116.531 C5 C1 C6 115.862
H7 C5 H8 108.104 H7 C5 H9 108.104
H8 C5 H9 106.214 H10 C6 H11 108.104
H10 C6 H12 108.104 H11 C6 H12 106.214
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.196      
2 C -0.252      
3 H 0.068      
4 H 0.068      
5 C -0.334      
6 C -0.334      
7 H 0.096      
8 H 0.099      
9 H 0.099      
10 H 0.096      
11 H 0.099      
12 H 0.099      


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 -0.533 0.533
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.672 0.000 0.000
y 0.000 -25.566 0.000
z 0.000 0.000 -26.050
Traceless
 xyz
x -1.864 0.000 0.000
y 0.000 1.295 0.000
z 0.000 0.000 0.569
Polar
3z2-r21.138
x2-y2-2.106
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 92.139
(<r2>)1/2 9.599