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

using model chemistry: B1B95/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-311G*
 hartrees
Energy at 0K-157.155745
Energy at 298.15K-157.163574
Nuclear repulsion energy120.032753
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 B1B95/6-311G*
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 3145 3015 14.29      
2 A1 3135 3006 23.57      
3 A1 3038 2912 41.75      
4 A1 1745 1673 17.65      
5 A1 1513 1450 15.57      
6 A1 1450 1390 0.71      
7 A1 1416 1357 0.69      
8 A1 1082 1037 3.57      
9 A1 830 796 0.14      
10 A1 370 355 0.24      
11 A2 3086 2958 0.00      
12 A2 1481 1420 0.00      
13 A2 1022 980 0.00      
14 A2 701 672 0.00      
15 A2 158 152 0.00      
16 B1 3088 2960 56.45      
17 B1 1502 1439 21.71      
18 B1 1105 1059 0.17      
19 B1 906 869 50.05      
20 B1 435 417 8.95      
21 B1 204 196 0.55      
22 B2 3228 3094 25.06      
23 B2 3134 3004 28.49      
24 B2 3033 2907 23.54      
25 B2 1496 1434 5.15      
26 B2 1419 1361 14.00      
27 B2 1308 1254 2.47      
28 B2 991 950 0.13      
29 B2 962 922 0.08      
30 B2 433 416 1.48      

Unscaled Zero Point Vibrational Energy (zpe) 23706.7 cm-1
Scaled (by 0.9586) Zero Point Vibrational Energy (zpe) 22725.2 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 B1B95/6-311G*
ABC
0.30744 0.28174 0.15541

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G*

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 1.452
H3 0.000 0.923 2.021
H4 0.000 -0.923 2.021
C5 0.000 1.269 -0.675
C6 0.000 -1.269 -0.675
H7 0.000 2.152 -0.036
H8 0.876 1.322 -1.328
H9 -0.876 1.322 -1.328
H10 0.000 -2.152 -0.036
H11 -0.876 -1.322 -1.328
H12 0.876 -1.322 -1.328

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.32972.11172.11171.49861.49862.15762.14932.14932.15762.14932.1493
C21.32971.08471.08472.47682.47682.61613.20093.20092.61613.20093.2009
H32.11171.08471.84642.71853.47512.39623.48533.48533.69984.12664.1266
H42.11171.08471.84643.47512.71853.69984.12664.12662.39623.48533.4853
C51.49862.47682.71853.47512.53781.08991.09441.09443.47992.81192.8119
C61.49862.47683.47512.71852.53783.47992.81192.81191.08991.09441.0944
H72.15762.61612.39623.69981.08993.47991.76841.76844.30363.80853.8085
H82.14933.20093.48534.12661.09442.81191.76841.75293.80853.17212.6438
H92.14933.20093.48534.12661.09442.81191.76841.75293.80852.64383.1721
H102.15762.61613.69982.39623.47991.08994.30363.80853.80851.76841.7684
H112.14933.20094.12663.48532.81191.09443.80853.17212.64381.76841.7529
H122.14933.20094.12663.48532.81191.09443.80852.64383.17211.76841.7529

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 121.665 C1 C2 H4 121.665
C1 C5 H7 111.957 C1 C5 H8 111.012
C1 C5 H9 111.012 C1 C6 H10 111.957
C1 C6 H11 111.012 C1 C6 H12 111.012
C2 C1 C5 122.143 C2 C1 C6 122.143
H3 C2 H4 116.670 C5 C1 C6 115.714
H7 C5 H8 108.108 H7 C5 H9 108.108
H8 C5 H9 106.422 H10 C6 H11 108.108
H10 C6 H12 108.108 H11 C6 H12 106.422
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.100      
2 C -0.467      
3 H 0.202      
4 H 0.202      
5 C -0.691      
6 C -0.691      
7 H 0.224      
8 H 0.224      
9 H 0.224      
10 H 0.224      
11 H 0.224      
12 H 0.224      


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 -0.509 0.509
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.185 0.000 0.000
y 0.000 -25.628 0.000
z 0.000 0.000 -26.062
Traceless
 xyz
x -2.341 0.000 0.000
y 0.000 1.496 0.000
z 0.000 0.000 0.845
Polar
3z2-r21.690
x2-y2-2.558
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.780 0.000 0.000
y 0.000 6.857 0.000
z 0.000 0.000 8.698


<r2> (average value of r2) Å2
<r2> 90.308
(<r2>)1/2 9.503