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

using model chemistry: wB97X-D/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 wB97X-D/6-31G*
 hartrees
Energy at 0K-157.172428
Energy at 298.15K-157.180287
HF Energy-157.172428
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 wB97X-D/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 3180 3017 8.97      
2 A1 3155 2992 22.96      
3 A1 3054 2897 36.39      
4 A1 1777 1686 16.15      
5 A1 1534 1455 11.04      
6 A1 1477 1401 0.91      
7 A1 1445 1371 0.30      
8 A1 1101 1044 4.01      
9 A1 833 790 0.09      
10 A1 387 367 0.26      
11 A2 3110 2950 0.00      
12 A2 1508 1430 0.00      
13 A2 1040 987 0.00      
14 A2 718 681 0.00      
15 A2 150 142 0.00      
16 B1 3113 2952 49.78      
17 B1 1527 1448 19.05      
18 B1 1129 1071 1.14      
19 B1 938 890 48.57      
20 B1 447 424 5.84      
21 B1 199 189 0.88      
22 B2 3262 3094 19.91      
23 B2 3153 2990 23.05      
24 B2 3050 2893 20.78      
25 B2 1513 1435 5.32      
26 B2 1449 1374 10.75      
27 B2 1323 1255 3.03      
28 B2 1002 951 0.10      
29 B2 979 929 0.18      
30 B2 446 423 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 23998.8 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 22762.9 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 wB97X-D/6-31G*
ABC
0.30487 0.27995 0.15429

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.115
C2 0.000 0.000 1.450
H3 0.000 0.925 2.022
H4 0.000 -0.925 2.022
C5 0.000 1.288 -0.675
C6 0.000 -1.288 -0.675
H7 0.000 2.158 -0.015
H8 0.881 1.345 -1.326
H9 -0.881 1.345 -1.326
H10 0.000 -2.158 -0.015
H11 -0.881 -1.345 -1.326
H12 0.881 -1.345 -1.326

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.33542.11942.11941.51091.51092.16222.15922.15922.16222.15922.1592
C21.33541.08721.08722.48522.48522.60893.20853.20852.60893.20853.2085
H32.11941.08721.84962.72143.48862.38153.48753.48753.69544.13994.1399
H42.11941.08721.84963.48862.72143.69544.13994.13992.38153.48753.4875
C51.51092.48522.72143.48862.57581.09221.09671.09673.50882.85182.8518
C61.51092.48523.48862.72142.57583.50882.85182.85181.09221.09671.0967
H72.16222.60892.38153.69541.09223.50881.77631.77634.31663.84303.8430
H82.15923.20853.48754.13991.09672.85181.77631.76133.84303.21572.6905
H92.15923.20853.48754.13991.09672.85181.77631.76133.84302.69053.2157
H102.16222.60893.69542.38153.50881.09224.31663.84303.84301.77631.7763
H112.15923.20854.13993.48752.85181.09673.84303.21572.69051.77631.7613
H122.15923.20854.13993.48752.85181.09673.84302.69053.21571.77631.7613

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 121.721 C1 C2 H4 121.721
C1 C5 H7 111.304 C1 C5 H8 110.794
C1 C5 H9 110.794 C1 C6 H10 111.304
C1 C6 H11 110.794 C1 C6 H12 110.794
C2 C1 C5 121.528 C2 C1 C6 121.528
H3 C2 H4 116.559 C5 C1 C6 116.943
H7 C5 H8 108.481 H7 C5 H9 108.481
H8 C5 H9 106.839 H10 C6 H11 108.481
H10 C6 H12 108.481 H11 C6 H12 106.839
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.200      
2 C -0.435      
3 H 0.154      
4 H 0.154      
5 C -0.551      
6 C -0.551      
7 H 0.173      
8 H 0.171      
9 H 0.171      
10 H 0.173      
11 H 0.171      
12 H 0.171      


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 -27.608 0.000 0.000
y 0.000 -25.197 0.000
z 0.000 0.000 -25.600
Traceless
 xyz
x -2.210 0.000 0.000
y 0.000 1.407 0.000
z 0.000 0.000 0.803
Polar
3z2-r21.605
x2-y2-2.411
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.261 0.000 0.000
y 0.000 6.341 0.000
z 0.000 0.000 8.208


<r2> (average value of r2) Å2
<r2> 90.620
(<r2>)1/2 9.519