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

using model chemistry: B3PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/3-21G*
 hartrees
Energy at 0K-195.389827
Energy at 298.15K-195.400581
Nuclear repulsion energy183.735086
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 B3PW91/3-21G*
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 3166 3037 7.45      
2 A 3121 2994 30.92      
3 A 3043 2919 31.49      
4 A 1566 1502 4.41      
5 A 1529 1467 4.70      
6 A 1462 1403 1.06      
7 A 1358 1303 1.87      
8 A 1089 1044 2.35      
9 A 1066 1022 26.10      
10 A 940 902 11.80      
11 A 678 650 1.95      
12 A 349 335 0.02      
13 A 3244 3112 0.00      
14 A 3103 2977 0.00      
15 A 1539 1476 0.00      
16 A 1195 1147 0.00      
17 A 1091 1047 0.00      
18 A 916 879 0.00      
19 A 335 322 0.00      
20 A 217 208 0.00      
21 A 3160 3032 15.35      
22 A 3107 2981 49.80      
23 A 1559 1496 8.80      
24 A 1505 1444 7.42      
25 A 1193 1144 12.90      
26 A 1098 1053 1.84      
27 A 846 812 4.91      
28 A 384 369 2.77      
29 A 241 232 0.05      
30 A 3260 3127 15.26      
31 A 3118 2992 14.48      
32 A 3039 2915 27.87      
33 A 1550 1487 7.16      
34 A 1448 1389 15.42      
35 A 1338 1284 2.89      
36 A 1006 965 0.60      
37 A 959 920 1.17      
38 A 801 768 0.02      
39 A 350 336 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 30482.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 29244.8 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 B3PW91/3-21G*
ABC
0.20352 0.17194 0.12630

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.156
C2 0.764 0.000 -1.159
C3 -0.764 0.000 -1.159
C4 0.000 1.279 0.972
C5 0.000 -1.279 0.972
H6 1.268 0.916 -1.449
H7 1.268 -0.916 -1.449
H8 -1.268 -0.916 -1.449
H9 -1.268 0.916 -1.449
H10 -0.890 1.325 1.614
H11 -0.890 -1.325 1.614
H12 0.890 -1.325 1.614
H13 0.890 1.325 1.614
H14 0.000 2.161 0.321
H15 0.000 -2.161 0.321

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52071.52071.51701.51702.24162.24162.24162.24162.16182.16182.16182.16182.16782.1678
C21.52071.52902.59992.59991.08521.08522.24852.24853.48993.48993.07543.07542.72882.7288
C31.52071.52902.59992.59992.24852.24851.08521.08523.07543.07543.48993.48992.72882.7288
C41.51702.59992.59992.55762.75743.50573.50572.75741.09812.82572.82571.09811.09663.5013
C51.51702.59992.59992.55763.50572.75742.75743.50572.82571.09811.09812.82573.50131.0966
H62.24161.08522.24852.75743.50571.83243.12912.53643.76934.36633.81443.11342.50893.7704
H72.24161.08522.24853.50572.75741.83242.53643.12914.36633.76933.11343.81443.77042.5089
H82.24162.24851.08523.50572.75743.12912.53641.83243.81443.11343.76934.36633.77042.5089
H92.24162.24851.08522.75743.50572.53643.12911.83243.11343.81444.36633.76932.50893.7704
H102.16183.48993.07541.09812.82573.76934.36633.81443.11342.65053.19271.77981.77813.8236
H112.16183.48993.07542.82571.09814.36633.76933.11343.81442.65051.77983.19273.82361.7781
H122.16183.07543.48992.82571.09813.81443.11343.76934.36633.19271.77982.65053.82361.7781
H132.16183.07543.48991.09812.82573.11343.81444.36633.76931.77983.19272.65051.77813.8236
H142.16782.72882.72881.09663.50132.50893.77043.77042.50891.77813.82363.82361.77814.3229
H152.16782.72882.72883.50131.09663.77042.50892.50893.77043.82361.77811.77813.82364.3229

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 59.821 C1 C2 H6 117.706
C1 C2 H7 117.706 C1 C3 C2 59.821
C1 C3 H8 117.706 C1 C3 H9 117.706
C1 C4 H10 110.489 C1 C4 H13 110.489
C1 C4 H14 111.055 C1 C5 H11 110.489
C1 C5 H12 110.489 C1 C5 H15 111.055
C2 C1 C3 60.358 C2 C1 C4 117.713
C2 C1 C5 117.713 C2 C3 H8 117.656
C2 C3 H9 117.656 C3 C1 C4 117.713
C3 C1 C5 117.713 C3 C2 H6 117.656
C3 C2 H7 117.656 C4 C1 C5 114.910
H6 C2 H7 115.186 H8 C3 H9 115.186
H10 C4 H13 108.272 H10 C4 H14 108.221
H11 C5 H12 108.272 H11 C5 H15 108.221
H12 C5 H15 108.221 H13 C4 H14 108.221
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.145      
2 C -0.399      
3 C -0.399      
4 C -0.589      
5 C -0.590      
6 H 0.219      
7 H 0.219      
8 H 0.219      
9 H 0.219      
10 H 0.210      
11 H 0.210      
12 H 0.209      
13 H 0.204      
14 H 0.204      
15 H 0.210      


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 0.135 0.135
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.309 0.000 0.000
y 0.000 -31.640 0.000
z 0.000 0.000 -33.728
Traceless
 xyz
x -0.625 0.000 0.000
y 0.000 1.879 0.000
z 0.000 0.000 -1.253
Polar
3z2-r2-2.507
x2-y2-1.669
xy0.000
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 123.129
(<r2>)1/2 11.096