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

using model chemistry: PBEPBE/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 PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-157.005638
Energy at 298.15K-157.013408
Nuclear repulsion energy119.123105
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 PBEPBE/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 3078 3047 7.03      
2 A1 3065 3034 17.92      
3 A1 2959 2928 33.92      
4 A1 1682 1664 15.18      
5 A1 1452 1437 10.48      
6 A1 1395 1381 0.50      
7 A1 1358 1344 0.29      
8 A1 1049 1038 4.57      
9 A1 809 801 0.22      
10 A1 364 360 0.30      
11 A2 3009 2978 0.00      
12 A2 1418 1403 0.00      
13 A2 987 977 0.00      
14 A2 683 676 0.00      
15 A2 174 173 0.00      
16 B1 3011 2980 37.09      
17 B1 1438 1423 13.78      
18 B1 1065 1054 0.60      
19 B1 878 869 35.93      
20 B1 427 423 5.01      
21 B1 211 209 0.58      
22 B2 3163 3130 16.53      
23 B2 3063 3032 20.26      
24 B2 2954 2923 18.83      
25 B2 1432 1417 3.47      
26 B2 1354 1340 7.55      
27 B2 1262 1249 3.87      
28 B2 960 950 0.33      
29 B2 929 920 0.04      
30 B2 420 416 1.63      

Unscaled Zero Point Vibrational Energy (zpe) 23023.2 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 22786.1 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 PBEPBE/6-31G(2df,p)
ABC
0.30242 0.27831 0.15322

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.122
C2 0.000 0.000 1.464
H3 0.000 0.931 2.038
H4 0.000 -0.931 2.038
C5 0.000 1.276 -0.680
C6 0.000 -1.276 -0.680
H7 0.000 2.167 -0.034
H8 0.883 1.329 -1.342
H9 -0.883 1.329 -1.342
H10 0.000 -2.167 -0.034
H11 -0.883 -1.329 -1.342
H12 0.883 -1.329 -1.342

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.34202.12982.12981.50731.50732.17302.16592.16592.17302.16592.1659
C21.34201.09361.09362.49502.49502.63493.22833.22832.63493.22833.2283
H32.12981.09361.86242.73933.50102.41263.51593.51593.72744.16084.1608
H42.12981.09361.86243.50102.73933.72744.16084.16082.41263.51593.5159
C51.50732.49502.73933.50102.55241.10041.10541.10543.50362.82962.8296
C61.50732.49503.50102.73932.55243.50362.82962.82961.10041.10541.1054
H72.17302.63492.41263.72741.10043.50361.78721.78724.33473.83613.8361
H82.16593.22833.51594.16081.10542.82961.78721.76693.83613.19172.6580
H92.16593.22833.51594.16081.10542.82961.78721.76693.83612.65803.1917
H102.17302.63493.72742.41263.50361.10044.33473.83613.83611.78721.7872
H112.16593.22834.16083.51592.82961.10543.83613.19172.65801.78721.7669
H122.16593.22834.16083.51592.82961.10543.83612.65803.19171.78721.7669

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 121.628 C1 C2 H4 121.628
C1 C5 H7 111.933 C1 C5 H8 111.053
C1 C5 H9 111.053 C1 C6 H10 111.933
C1 C6 H11 111.053 C1 C6 H12 111.053
C2 C1 C5 122.145 C2 C1 C6 122.145
H3 C2 H4 116.744 C5 C1 C6 115.711
H7 C5 H8 108.232 H7 C5 H9 108.232
H8 C5 H9 106.105 H10 C6 H11 108.232
H10 C6 H12 108.232 H11 C6 H12 106.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.395      
2 C -0.417      
3 H 0.107      
4 H 0.107      
5 C -0.494      
6 C -0.494      
7 H 0.131      
8 H 0.133      
9 H 0.133      
10 H 0.131      
11 H 0.133      
12 H 0.133      


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 -0.549 0.549
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.473 0.000 0.000
y 0.000 -25.382 0.000
z 0.000 0.000 -25.843
Traceless
 xyz
x -1.861 0.000 0.000
y 0.000 1.276 0.000
z 0.000 0.000 0.585
Polar
3z2-r21.170
x2-y2-2.091
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.693 0.000 0.000
y 0.000 7.009 0.000
z 0.000 0.000 8.564


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000