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

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-196.258389
Energy at 298.15K-196.268970
Nuclear repulsion energy183.573542
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 A 3068 3036 11.42      
2 A 3047 3015 33.44      
3 A 2960 2930 39.07      
4 A 1470 1455 0.01      
5 A 1449 1434 5.13      
6 A 1371 1357 0.00      
7 A 1320 1307 2.07      
8 A 1067 1056 0.54      
9 A 1002 991 6.52      
10 A 939 929 9.85      
11 A 684 677 0.93      
12 A 335 332 0.00      
13 A 3144 3112 0.00      
14 A 3024 2993 0.00      
15 A 1428 1414 0.00      
16 A 1149 1137 0.00      
17 A 1030 1020 0.00      
18 A 861 852 0.00      
19 A 318 315 0.00      
20 A 211 209 0.00      
21 A 3064 3032 22.33      
22 A 3026 2995 50.90      
23 A 1449 1434 5.10      
24 A 1415 1401 3.18      
25 A 1117 1106 5.72      
26 A 1026 1016 0.80      
27 A 843 834 4.08      
28 A 380 376 0.88      
29 A 237 234 0.01      
30 A 3159 3126 20.31      
31 A 3044 3013 15.01      
32 A 2956 2926 33.08      
33 A 1443 1429 3.86      
34 A 1358 1344 6.03      
35 A 1284 1270 1.80      
36 A 940 930 0.56      
37 A 928 919 0.19      
38 A 762 754 0.01      
39 A 342 338 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 29325.2 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 29023.1 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
0.20384 0.17169 0.12593

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 0.153
C2 0.758 0.000 -1.159
C3 -0.758 0.000 -1.159
C4 0.000 1.277 0.973
C5 0.000 -1.277 0.973
H6 1.271 0.917 -1.459
H7 1.271 -0.917 -1.459
H8 -1.271 -0.917 -1.459
H9 -1.271 0.917 -1.459
H10 -0.891 1.333 1.624
H11 -0.891 -1.333 1.624
H12 0.891 -1.333 1.624
H13 0.891 1.333 1.624
H14 0.000 2.171 0.328
H15 0.000 -2.171 0.328

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.51541.51541.51781.51782.24852.24852.24852.24852.17582.17582.17582.17582.17792.1779
C21.51541.51642.59872.59871.09301.09302.24742.24743.49883.49883.08883.08882.73872.7387
C31.51541.51642.59872.59872.24742.24741.09301.09303.08883.08883.49883.49882.73872.7387
C41.51782.59872.59872.55392.76803.51393.51392.76801.10442.83332.83331.10441.10233.5076
C51.51782.59872.59872.55393.51392.76802.76803.51392.83331.10441.10442.83333.50761.1023
H62.24851.09302.24742.76803.51391.83473.13572.54293.78834.38663.83583.13412.52633.7879
H72.24851.09302.24743.51392.76801.83472.54293.13574.38663.78833.13413.83583.78792.5263
H82.24852.24741.09303.51392.76803.13572.54291.83473.83583.13413.78834.38663.78792.5263
H92.24852.24741.09302.76803.51392.54293.13571.83473.13413.83584.38663.78832.52633.7879
H102.17583.49883.08881.10442.83333.78834.38663.83583.13412.66573.20601.78111.78173.8403
H112.17583.49883.08882.83331.10444.38663.78833.13413.83582.66571.78113.20603.84031.7817
H122.17583.08883.49882.83331.10443.83583.13413.78834.38663.20601.78112.66573.84031.7817
H132.17583.08883.49881.10442.83333.13413.83584.38663.78831.78113.20602.66571.78173.8403
H142.17792.73872.73871.10233.50762.52633.78793.78792.52631.78173.84033.84031.78174.3417
H152.17792.73872.73873.50761.10233.78792.52632.52633.78793.84031.78171.78173.84034.3417

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 59.978 C1 C2 H6 118.183
C1 C2 H7 118.183 C1 C3 C2 59.978
C1 C3 H8 118.183 C1 C3 H9 118.183
C1 C4 H10 111.167 C1 C4 H13 111.167
C1 C4 H14 111.465 C1 C5 H11 111.167
C1 C5 H12 111.167 C1 C5 H15 111.465
C2 C1 C3 60.044 C2 C1 C4 117.907
C2 C1 C5 117.907 C2 C3 H8 118.006
C2 C3 H9 118.006 C3 C1 C4 117.907
C3 C1 C5 117.907 C3 C2 H6 118.006
C3 C2 H7 118.006 C4 C1 C5 114.555
H6 C2 H7 114.125 H8 C3 H9 114.125
H10 C4 H13 107.488 H10 C4 H14 107.682
H11 C5 H12 107.488 H11 C5 H15 107.682
H12 C5 H15 107.682 H13 C4 H14 107.682
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 0.376      
2 C -0.308      
3 C -0.308      
4 C -0.481      
5 C -0.481      
6 H 0.116      
7 H 0.116      
8 H 0.116      
9 H 0.116      
10 H 0.123      
11 H 0.123      
12 H 0.123      
13 H 0.123      
14 H 0.121      
15 H 0.121      


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 0.103 0.103
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.104 0.000 0.000
y 0.000 -32.028 0.000
z 0.000 0.000 -33.739
Traceless
 xyz
x -0.221 0.000 0.000
y 0.000 1.394 0.000
z 0.000 0.000 -1.173
Polar
3z2-r2-2.346
x2-y2-1.076
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.568 0.000 0.000
y 0.000 8.112 0.000
z 0.000 0.000 8.506


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