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

using model chemistry: HF/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-33.150217
Energy at 298.15K-33.161341
Nuclear repulsion energy103.013819
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/CEP-121G
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 3362 3068 61.15      
2 A 3346 3053 0.00      
3 A 3264 2978 17.75      
4 A 3249 2965 39.42      
5 A 3225 2942 67.97      
6 A 3220 2938 35.44      
7 A 3210 2929 126.62      
8 A 3202 2922 0.01      
9 A 3131 2857 61.56      
10 A 3125 2851 52.73      
11 A 1648 1504 0.43      
12 A 1639 1496 6.83      
13 A 1635 1492 8.87      
14 A 1631 1489 5.41      
15 A 1623 1481 0.00      
16 A 1598 1458 4.92      
17 A 1564 1428 0.15      
18 A 1553 1417 10.50      
19 A 1469 1340 0.76      
20 A 1435 1310 0.79      
21 A 1291 1178 0.00      
22 A 1275 1163 9.37      
23 A 1217 1111 0.10      
24 A 1182 1079 4.01      
25 A 1164 1062 0.00      
26 A 1160 1058 2.31      
27 A 1062 969 0.75      
28 A 1024 935 0.19      
29 A 1010 922 25.80      
30 A 995 908 0.00      
31 A 903 824 17.25      
32 A 860 785 0.17      
33 A 717 654 4.35      
34 A 430 392 1.53      
35 A 386 352 0.73      
36 A 376 343 0.06      
37 A 353 322 0.00      
38 A 244 223 0.00      
39 A 213 195 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 31993.8 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 29194.3 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 HF/CEP-121G
ABC
0.20318 0.16993 0.12502

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.137 0.000 -0.000
C2 -1.181 -0.000 -0.765
C3 -1.181 -0.000 0.765
C4 0.967 1.282 -0.000
C5 0.967 -1.282 -0.000
H6 -1.481 0.902 -1.269
H7 -1.481 -0.902 -1.270
H8 -1.480 -0.902 1.270
H9 -1.480 0.902 1.270
H10 1.606 1.329 0.880
H11 1.606 -1.329 0.880
H12 1.606 1.329 -0.880
H13 0.334 2.166 -0.000
H14 0.334 -2.166 -0.000
H15 1.606 -1.329 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52391.52381.52751.52752.24532.24532.24532.24532.16782.16782.16782.17452.17452.1678
C21.52391.53002.61612.61611.07631.07632.24582.24583.49873.49873.08992.75152.75153.0900
C31.52381.53002.61612.61612.24572.24581.07631.07633.08983.08973.49872.75152.75153.4987
C41.52752.61612.61612.56402.78333.51773.51772.78321.08872.82851.08861.08693.50522.8283
C51.52752.61612.61612.56403.51772.78342.78323.51762.82851.08872.82833.50521.08691.0887
H62.24531.07632.24572.78333.51771.80473.11522.53923.78544.37343.14002.54943.78373.8285
H72.24531.07632.24583.51772.78341.80472.53933.11534.37343.78553.82833.78362.54953.1402
H82.24532.24581.07633.51772.78323.11522.53931.80473.82823.13974.37333.78372.54953.7855
H92.24532.24581.07632.78323.51762.53923.11531.80473.13973.82813.78542.54953.78374.3733
H102.16783.49873.08981.08872.82853.78544.37343.82823.13972.65791.76061.75863.82163.1880
H112.16783.49873.08972.82851.08874.37343.78553.13973.82812.65793.18813.82161.75861.7606
H122.16783.08993.49871.08862.82833.14003.82834.37333.78541.76063.18811.75863.82142.6577
H132.17452.75152.75151.08693.50522.54943.78363.78372.54951.75863.82161.75864.33113.8214
H142.17452.75152.75153.50521.08693.78372.54952.54953.78373.82161.75863.82144.33111.7586
H152.16783.09003.49872.82831.08873.82853.14023.78554.37333.18801.76062.65773.82141.7586

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 59.866 C1 C2 H6 118.410
C1 C2 H7 118.415 C1 C3 C2 59.867
C1 C3 H8 118.412 C1 C3 H9 118.411
C1 C4 H10 110.802 C1 C4 H13 111.443
C1 C4 H14 22.527 C1 C5 H11 110.802
C1 C5 H12 49.309 C1 C5 H15 110.804
C2 C1 C3 60.267 C2 C1 C4 118.047
C2 C1 C5 118.047 C2 C3 H8 117.959
C2 C3 H9 117.961 C3 C1 C4 118.046
C3 C1 C5 118.044 C3 C2 H6 117.954
C3 C2 H7 117.964 C4 C1 C5 114.136
H6 C2 H7 113.940 H8 C3 H9 113.940
H10 C4 H13 107.864 H10 C4 H14 98.535
H11 C5 H12 99.149 H11 C5 H15 107.919
H12 C5 H15 69.849 H13 C4 H14 133.970
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.311      
2 C -0.385      
3 C -0.385      
4 C -0.496      
5 C -0.496      
6 H 0.150      
7 H 0.150      
8 H 0.150      
9 H 0.150      
10 H 0.143      
11 H 0.143      
12 H 0.143      
13 H 0.139      
14 H 0.139      
15 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.254 0.000 0.000 0.254
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.705 0.000 0.000
y 0.000 -32.634 0.000
z 0.000 0.000 -34.037
Traceless
 xyz
x -1.369 0.000 0.000
y 0.000 1.737 0.000
z 0.000 0.000 -0.368
Polar
3z2-r2-0.736
x2-y2-2.071
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.342 0.000 0.000
y 0.000 7.686 0.000
z 0.000 0.000 7.696


<r2> (average value of r2) Å2
<r2> 106.209
(<r2>)1/2 10.306