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All results from a given calculation for C5H10 (Cyclopropane, 1,1-dimethyl-)

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-195.158503
Energy at 298.15K-195.169628
Nuclear repulsion energy185.159690
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 HF/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 A 3273 2964 15.87      
2 A 3232 2926 49.25      
3 A 3159 2860 45.61      
4 A 1650 1494 0.79      
5 A 1624 1470 3.53      
6 A 1550 1404 0.14      
7 A 1460 1322 2.01      
8 A 1183 1071 1.26      
9 A 1153 1044 1.93      
10 A 1017 921 13.04      
11 A 728 660 1.96      
12 A 374 339 0.04      
13 A 3340 3024 0.00      
14 A 3210 2907 0.00      
15 A 1600 1449 0.00      
16 A 1289 1167 0.00      
17 A 1156 1047 0.00      
18 A 971 879 0.00      
19 A 354 320 0.00      
20 A 231 209 0.00      
21 A 3264 2955 31.79      
22 A 3216 2912 82.48      
23 A 1620 1467 3.83      
24 A 1591 1441 2.09      
25 A 1262 1143 5.74      
26 A 1199 1086 0.07      
27 A 925 838 10.26      
28 A 426 386 0.80      
29 A 264 239 0.00      
30 A 3355 3038 36.12      
31 A 3228 2923 25.31      
32 A 3153 2855 35.35      
33 A 1612 1459 3.24      
34 A 1540 1395 4.39      
35 A 1421 1287 1.63      
36 A 1050 951 0.28      
37 A 1014 918 0.29      
38 A 844 764 0.09      
39 A 384 348 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 31960.8 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 28940.5 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 HF/6-31G(2df,p)
ABC
0.20671 0.17439 0.12757

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.146
C2 0.752 0.000 -1.150
C3 -0.752 0.000 -1.150
C4 0.000 1.272 0.969
C5 0.000 -1.272 0.969
H6 1.256 0.902 -1.449
H7 1.256 -0.902 -1.449
H8 -1.256 -0.902 -1.449
H9 -1.256 0.902 -1.449
H10 -0.879 1.322 1.608
H11 -0.879 -1.322 1.608
H12 0.879 -1.322 1.608
H13 0.879 1.322 1.608
H14 0.000 2.153 0.335
H15 0.000 -2.153 0.335

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.49851.49851.51521.51522.22212.22212.22212.22212.15762.15762.15762.15762.16152.1615
C21.49851.50312.58352.58351.07621.07622.22162.22163.46573.46573.06093.06092.72152.7215
C31.49851.50312.58352.58352.22162.22161.07621.07623.06093.06093.46573.46572.72152.7215
C41.51522.58352.58352.54452.75023.48633.48632.75021.08752.81222.81221.08751.08563.4838
C51.51522.58352.58352.54453.48632.75022.75023.48632.81221.08751.08752.81223.48381.0856
H62.22211.07622.22162.75023.48631.80423.09362.51303.75234.34163.79913.10872.51523.7545
H72.22211.07622.22163.48632.75021.80422.51303.09364.34163.75233.10873.79913.75452.5152
H82.22212.22161.07623.48632.75023.09362.51301.80423.79913.10873.75234.34163.75452.5152
H92.22212.22161.07622.75023.48632.51303.09361.80423.10873.79914.34163.75232.51523.7545
H102.15763.46573.06091.08752.81223.75234.34163.79913.10872.64333.17421.75741.75633.8037
H112.15763.46573.06092.81221.08754.34163.75233.10873.79912.64331.75743.17423.80371.7563
H122.15763.06093.46572.81221.08753.79913.10873.75234.34163.17421.75742.64333.80371.7563
H132.15763.06093.46571.08752.81223.10873.79914.34163.75231.75743.17422.64331.75633.8037
H142.16152.72152.72151.08563.48382.51523.75453.75452.51521.75633.80373.80371.75634.3066
H152.16152.72152.72153.48381.08563.75452.51522.51523.75453.80371.75631.75633.80374.3066

picture of Cyclopropane, 1,1-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 59.897 C1 C2 H6 118.405
C1 C2 H7 118.405 C1 C3 C2 59.897
C1 C3 H8 118.405 C1 C3 H9 118.405
C1 C4 H10 110.923 C1 C4 H13 110.923
C1 C4 H14 111.353 C1 C5 H11 110.923
C1 C5 H12 110.923 C1 C5 H15 111.353
C2 C1 C3 60.206 C2 C1 C4 118.022
C2 C1 C5 118.022 C2 C3 H8 117.980
C2 C3 H9 117.980 C3 C1 C4 118.022
C3 C1 C5 118.022 C3 C2 H6 117.980
C3 C2 H7 117.980 C4 C1 C5 114.215
H6 C2 H7 113.914 H8 C3 H9 113.914
H10 C4 H13 107.811 H10 C4 H14 107.839
H11 C5 H12 107.811 H11 C5 H15 107.839
H12 C5 H15 107.839 H13 C4 H14 107.839
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.171      
2 C -0.325      
3 C -0.325      
4 C -0.428      
5 C -0.428      
6 H 0.137      
7 H 0.137      
8 H 0.137      
9 H 0.137      
10 H 0.131      
11 H 0.131      
12 H 0.131      
13 H 0.131      
14 H 0.130      
15 H 0.130      


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 0.114 0.114
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.374 0.000 0.000
y 0.000 -32.394 0.000
z 0.000 0.000 -34.089
Traceless
 xyz
x -0.132 0.000 0.000
y 0.000 1.337 0.000
z 0.000 0.000 -1.205
Polar
3z2-r2-2.410
x2-y2-0.979
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.189 0.000 0.000
y 0.000 7.441 0.000
z 0.000 0.000 7.868


<r2> (average value of r2) Å2
<r2> 122.147
(<r2>)1/2 11.052