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

using model chemistry: B3LYPultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-157.291346
Energy at 298.15K-157.299262
HF Energy-157.291346
Nuclear repulsion energy119.876834
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 B3LYPultrafine/aug-cc-pVTZ
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 3128 3026 8.72      
2 A1 3101 3000 19.16      
3 A1 3013 2915 41.72      
4 A1 1713 1658 23.64      
5 A1 1503 1454 14.27      
6 A1 1445 1398 1.62      
7 A1 1415 1369 0.34      
8 A1 1086 1051 2.72      
9 A1 814 787 0.19      
10 A1 381 369 0.33      
11 A2 3048 2949 0.00      
12 A2 1472 1424 0.00      
13 A2 1023 989 0.00      
14 A2 707 684 0.00      
15 A2 174 169 0.00      
16 B1 3051 2952 40.05      
17 B1 1490 1441 15.69      
18 B1 1109 1073 0.06      
19 B1 926 896 46.00      
20 B1 443 429 8.45      
21 B1 213 206 0.46      
22 B2 3204 3100 17.94      
23 B2 3100 2999 25.61      
24 B2 3008 2910 18.63      
25 B2 1483 1435 4.03      
26 B2 1409 1363 9.03      
27 B2 1296 1254 3.16      
28 B2 988 956 0.46      
29 B2 962 930 0.07      
30 B2 439 425 1.53      

Unscaled Zero Point Vibrational Energy (zpe) 23572.0 cm-1
Scaled (by 0.9675) Zero Point Vibrational Energy (zpe) 22805.9 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 B3LYPultrafine/aug-cc-pVTZ
ABC
0.30638 0.28070 0.15483

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/aug-cc-pVTZ

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 1.456
H3 0.000 0.921 2.024
H4 0.000 -0.921 2.024
C5 0.000 1.272 -0.678
C6 0.000 -1.272 -0.678
H7 0.000 2.153 -0.038
H8 0.877 1.320 -1.329
H9 -0.877 1.320 -1.329
H10 0.000 -2.153 -0.038
H11 -0.877 -1.320 -1.329
H12 0.877 -1.320 -1.329

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.33042.11082.11081.50491.50492.15952.15092.15092.15952.15092.1509
C21.33041.08271.08272.48452.48452.62073.20413.20412.62073.20413.2041
H32.11081.08271.84252.72543.48092.40253.48923.48923.70234.12774.1277
H42.11081.08271.84253.48092.72543.70234.12774.12772.40253.48923.4892
C51.50492.48452.72543.48092.54481.08891.09321.09323.48502.81282.8128
C61.50492.48453.48092.72542.54483.48502.81282.81281.08891.09321.0932
H72.15952.62072.40253.70231.08893.48501.76941.76944.30663.80763.8076
H82.15093.20413.48924.12771.09322.81281.76941.75403.80763.16912.6394
H92.15093.20413.48924.12771.09322.81281.76941.75403.80762.63943.1691
H102.15952.62073.70232.40253.48501.08894.30663.80763.80761.76941.7694
H112.15093.20414.12773.48922.81281.09323.80763.16912.63941.76941.7540
H122.15093.20414.12773.48922.81281.09323.80762.63943.16911.76941.7540

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 121.688 C1 C2 H4 121.688
C1 C5 H7 111.722 C1 C5 H8 110.763
C1 C5 H9 110.763 C1 C6 H10 111.722
C1 C6 H11 110.763 C1 C6 H12 110.763
C2 C1 C5 122.273 C2 C1 C6 122.273
H3 C2 H4 116.625 C5 C1 C6 115.455
H7 C5 H8 108.363 H7 C5 H9 108.363
H8 C5 H9 106.689 H10 C6 H11 108.363
H10 C6 H12 108.363 H11 C6 H12 106.689
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.925      
2 C -0.999      
3 H 0.228      
4 H 0.228      
5 C -0.770      
6 C -0.770      
7 H 0.183      
8 H 0.198      
9 H 0.198      
10 H 0.183      
11 H 0.198      
12 H 0.198      


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 -0.573 0.573
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.420 0.000 0.000
y 0.000 -26.113 0.000
z 0.000 0.000 -26.681
Traceless
 xyz
x -2.023 0.000 0.000
y 0.000 1.438 0.000
z 0.000 0.000 0.585
Polar
3z2-r21.171
x2-y2-2.307
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.243 0.000 0.000
y 0.000 7.965 0.000
z 0.000 0.000 9.568


<r2> (average value of r2) Å2
<r2> 90.911
(<r2>)1/2 9.535