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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-195.332554
Energy at 298.15K-195.343295
Nuclear repulsion energy184.255885
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 B1B95/3-21G
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 3179 3041 6.76      
2 A 3131 2995 32.36      
3 A 3052 2920 28.76      
4 A 1565 1498 4.24      
5 A 1528 1462 5.38      
6 A 1461 1397 0.91      
7 A 1365 1306 1.44      
8 A 1091 1044 2.50      
9 A 1069 1023 25.08      
10 A 947 906 11.79      
11 A 683 653 1.89      
12 A 340 326 0.01      
13 A 3258 3117 0.00      
14 A 3116 2981 0.00      
15 A 1537 1471 0.00      
16 A 1196 1144 0.00      
17 A 1089 1042 0.00      
18 A 913 873 0.00      
19 A 333 319 0.00      
20 A 215 205 0.00      
21 A 3173 3036 14.56      
22 A 3119 2984 48.45      
23 A 1557 1489 8.67      
24 A 1504 1439 7.83      
25 A 1193 1141 12.08      
26 A 1101 1053 1.62      
27 A 856 819 4.71      
28 A 379 363 2.46      
29 A 238 227 0.04      
30 A 3274 3132 14.69      
31 A 3128 2993 13.80      
32 A 3049 2917 28.48      
33 A 1549 1482 7.07      
34 A 1446 1384 15.98      
35 A 1342 1284 2.41      
36 A 1003 960 0.53      
37 A 962 920 1.08      
38 A 799 764 0.01      
39 A 340 325 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 30539.4 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 29217.1 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 B1B95/3-21G
ABC
0.20431 0.17325 0.12709

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.156
C2 0.762 0.000 -1.154
C3 -0.762 0.000 -1.154
C4 0.000 1.277 0.968
C5 0.000 -1.277 0.968
H6 1.265 0.915 -1.443
H7 1.265 -0.915 -1.443
H8 -1.265 -0.915 -1.443
H9 -1.265 0.915 -1.443
H10 -0.888 1.325 1.608
H11 -0.888 -1.325 1.608
H12 0.888 -1.325 1.608
H13 0.888 1.325 1.608
H14 0.000 2.154 0.314
H15 0.000 -2.154 0.314

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.51571.51571.51301.51302.23502.23502.23502.23502.15662.15662.15662.15662.16022.1602
C21.51571.52462.59102.59101.08311.08312.24302.24303.47923.47923.06543.06542.71602.7160
C31.51571.52462.59102.59102.24302.24301.08311.08313.06543.06543.47923.47922.71602.7160
C41.51302.59102.59102.55352.74693.49523.49522.74691.09572.82262.82261.09571.09463.4930
C51.51302.59102.59102.55353.49522.74692.74693.49522.82261.09571.09572.82263.49301.0946
H62.23501.08312.24302.74693.49521.82903.12232.53053.75684.35433.80323.10122.49513.7558
H72.23501.08312.24303.49522.74691.82902.53053.12234.35433.75683.10123.80323.75582.4951
H82.23502.24301.08313.49522.74693.12232.53051.82903.80323.10123.75684.35433.75582.4951
H92.23502.24301.08312.74693.49522.53053.12231.82903.10123.80324.35433.75682.49513.7558
H102.15663.47923.06541.09572.82263.75684.35433.80323.10122.64993.19031.77651.77513.8169
H112.15663.47923.06542.82261.09574.35433.75683.10123.80322.64991.77653.19033.81691.7751
H122.15663.06543.47922.82261.09573.80323.10123.75684.35433.19031.77652.64993.81691.7751
H132.15663.06543.47921.09572.82263.10123.80324.35433.75681.77653.19032.64991.77513.8169
H142.16022.71602.71601.09463.49302.49513.75583.75582.49511.77513.81693.81691.77514.3088
H152.16022.71602.71603.49301.09463.75582.49512.49513.75583.81691.77511.77513.81694.3088

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 59.804 C1 C2 H6 117.677
C1 C2 H7 117.677 C1 C3 C2 59.804
C1 C3 H8 117.677 C1 C3 H9 117.677
C1 C4 H10 110.507 C1 C4 H13 110.507
C1 C4 H14 110.854 C1 C5 H11 110.507
C1 C5 H12 110.507 C1 C5 H15 110.854
C2 C1 C3 60.392 C2 C1 C4 117.628
C2 C1 C5 117.628 C2 C3 H8 117.670
C2 C3 H9 117.670 C3 C1 C4 117.628
C3 C1 C5 117.628 C3 C2 H6 117.670
C3 C2 H7 117.670 C4 C1 C5 115.104
H6 C2 H7 115.211 H8 C3 H9 115.211
H10 C4 H13 108.332 H10 C4 H14 108.277
H11 C5 H12 108.332 H11 C5 H15 108.277
H12 C5 H15 108.277 H13 C4 H14 108.277
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.169      
2 C -0.387      
3 C -0.387      
4 C -0.568      
5 C -0.568      
6 H 0.215      
7 H 0.215      
8 H 0.215      
9 H 0.215      
10 H 0.205      
11 H 0.205      
12 H 0.205      
13 H 0.205      
14 H 0.198      
15 H 0.198      


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 0.136 0.136
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.285 0.000 0.000
y 0.000 -31.665 0.000
z 0.000 0.000 -33.699
Traceless
 xyz
x -0.603 0.000 0.000
y 0.000 1.827 0.000
z 0.000 0.000 -1.224
Polar
3z2-r2-2.449
x2-y2-1.620
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.807 0.000 0.000
y 0.000 7.082 0.000
z 0.000 0.000 7.399


<r2> (average value of r2) Å2
<r2> 122.513
(<r2>)1/2 11.069