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

using model chemistry: mPW1PW91/6-31G(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 mPW1PW91/6-31G(2df,p)
 hartrees
Energy at 0K-196.503306
Energy at 298.15K-196.514070
Nuclear repulsion energy184.857865
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 mPW1PW91/6-31G(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 3158 3015 10.70      
2 A 3135 2993 34.48      
3 A 3047 2909 36.16      
4 A 1527 1458 0.26      
5 A 1504 1436 5.81      
6 A 1425 1361 0.02      
7 A 1370 1308 1.79      
8 A 1106 1056 0.63      
9 A 1049 1001 5.89      
10 A 971 927 12.13      
11 A 706 674 1.35      
12 A 345 329 0.00      
13 A 3236 3090 0.00      
14 A 3115 2974 0.00      
15 A 1480 1413 0.00      
16 A 1191 1137 0.00      
17 A 1068 1020 0.00      
18 A 894 854 0.00      
19 A 329 314 0.00      
20 A 215 206 0.00      
21 A 3153 3010 21.76      
22 A 3118 2976 51.24      
23 A 1501 1433 5.45      
24 A 1468 1401 3.86      
25 A 1163 1111 6.64      
26 A 1078 1029 0.64      
27 A 878 838 5.23      
28 A 393 376 0.98      
29 A 243 232 0.01      
30 A 3250 3103 19.65      
31 A 3133 2991 15.08      
32 A 3043 2905 32.22      
33 A 1495 1427 3.91      
34 A 1414 1350 8.11      
35 A 1331 1270 1.11      
36 A 973 929 0.63      
37 A 961 917 0.21      
38 A 789 754 0.01      
39 A 353 337 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 30305.1 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 28932.3 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 mPW1PW91/6-31G(2df,p)
ABC
0.20642 0.17417 0.12758

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.151
C2 0.753 0.000 -1.151
C3 -0.753 0.000 -1.151
C4 0.000 1.270 0.967
C5 0.000 -1.270 0.967
H6 1.261 0.910 -1.449
H7 1.261 -0.910 -1.449
H8 -1.261 -0.910 -1.449
H9 -1.261 0.910 -1.449
H10 -0.884 1.325 1.611
H11 -0.884 -1.325 1.611
H12 0.884 -1.325 1.611
H13 0.884 1.325 1.611
H14 0.000 2.156 0.326
H15 0.000 -2.156 0.326

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.50361.50361.50991.50992.23092.23092.23092.23092.16112.16112.16112.16112.16332.1633
C21.50361.50552.58182.58181.08411.08412.23012.23013.47343.47343.06663.06662.72002.7200
C31.50361.50552.58182.58182.23012.23011.08411.08413.06663.06663.47343.47342.72002.7200
C41.50992.58182.58182.54042.74893.48993.48992.74891.09512.81622.81621.09511.09333.4858
C51.50992.58182.58182.54043.48992.74892.74893.48992.81621.09511.09512.81623.48581.0933
H62.23091.08412.23012.74893.48991.81983.11072.52283.76014.35433.80813.11122.50903.7607
H72.23091.08412.23013.48992.74891.81982.52283.11074.35433.76013.11123.80813.76072.5090
H82.23092.23011.08413.48992.74893.11072.52281.81983.80813.11123.76014.35433.76072.5090
H92.23092.23011.08412.74893.48992.52283.11071.81983.11123.80814.35433.76012.50903.7607
H102.16113.47343.06661.09512.81623.76014.35433.80813.11122.64973.18511.76741.76733.8144
H112.16113.47343.06662.81621.09514.35433.76013.11123.80812.64971.76743.18513.81441.7673
H122.16113.06663.47342.81621.09513.80813.11123.76014.35433.18511.76742.64973.81441.7673
H132.16113.06663.47341.09512.81623.11123.80814.35433.76011.76743.18512.64971.76733.8144
H142.16332.72002.72001.09333.48582.50903.76073.76072.50901.76733.81443.81441.76734.3123
H152.16332.72002.72003.48581.09333.76072.50902.50903.76073.81441.76731.76733.81444.3123

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 59.959 C1 C2 H6 118.202
C1 C2 H7 118.202 C1 C3 C2 59.959
C1 C3 H8 118.202 C1 C3 H9 118.202
C1 C4 H10 111.110 C1 C4 H13 111.110
C1 C4 H14 111.403 C1 C5 H11 111.110
C1 C5 H12 111.110 C1 C5 H15 111.403
C2 C1 C3 60.081 C2 C1 C4 117.906
C2 C1 C5 117.906 C2 C3 H8 117.983
C2 C3 H9 117.983 C3 C1 C4 117.906
C3 C1 C5 117.906 C3 C2 H6 117.983
C3 C2 H7 117.983 C4 C1 C5 114.544
H6 C2 H7 114.136 H8 C3 H9 114.136
H10 C4 H13 107.595 H10 C4 H14 107.722
H11 C5 H12 107.595 H11 C5 H15 107.722
H12 C5 H15 107.722 H13 C4 H14 107.722
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.299      
2 C -0.336      
3 C -0.336      
4 C -0.502      
5 C -0.502      
6 H 0.136      
7 H 0.136      
8 H 0.136      
9 H 0.136      
10 H 0.139      
11 H 0.139      
12 H 0.139      
13 H 0.139      
14 H 0.137      
15 H 0.137      


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 0.110 0.110
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.835 0.000 0.000
y 0.000 -31.739 0.000
z 0.000 0.000 -33.481
Traceless
 xyz
x -0.226 0.000 0.000
y 0.000 1.419 0.000
z 0.000 0.000 -1.193
Polar
3z2-r2-2.387
x2-y2-1.096
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.368 0.000 0.000
y 0.000 7.801 0.000
z 0.000 0.000 8.200


<r2> (average value of r2) Å2
<r2> 121.944
(<r2>)1/2 11.043