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

using model chemistry: HF/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-195.202411
Energy at 298.15K-195.213563
Nuclear repulsion energy185.451053
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/aug-cc-pVTZ
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 3262 2970 15.10      
2 A 3214 2926 51.22      
3 A 3148 2866 54.35      
4 A 1647 1500 1.03      
5 A 1622 1477 5.56      
6 A 1549 1410 0.00      
7 A 1458 1327 1.78      
8 A 1171 1066 1.03      
9 A 1149 1046 4.01      
10 A 1008 918 15.72      
11 A 725 660 2.44      
12 A 375 342 0.08      
13 A 3325 3027 0.00      
14 A 3190 2904 0.00      
15 A 1599 1456 0.00      
16 A 1285 1170 0.00      
17 A 1155 1052 0.00      
18 A 974 886 0.00      
19 A 356 324 0.00      
20 A 232 211 0.00      
21 A 3253 2962 34.95      
22 A 3195 2909 90.89      
23 A 1618 1473 5.24      
24 A 1590 1448 4.19      
25 A 1260 1147 4.54      
26 A 1193 1086 0.10      
27 A 919 837 11.17      
28 A 427 389 0.89      
29 A 264 241 0.00      
30 A 3341 3042 39.86      
31 A 3211 2923 28.37      
32 A 3142 2860 36.88      
33 A 1610 1466 3.83      
34 A 1539 1401 5.52      
35 A 1420 1293 1.03      
36 A 1052 958 0.39      
37 A 1013 922 0.17      
38 A 845 769 0.01      
39 A 385 351 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 31860.5 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 29005.8 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 HF/aug-cc-pVTZ
ABC
0.20707 0.17511 0.12804

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.146
C2 0.752 0.000 -1.147
C3 -0.752 0.000 -1.147
C4 0.000 1.271 0.966
C5 0.000 -1.271 0.966
H6 1.255 0.901 -1.446
H7 1.255 -0.901 -1.446
H8 -1.255 -0.901 -1.446
H9 -1.255 0.901 -1.446
H10 -0.877 1.321 1.604
H11 -0.877 -1.321 1.604
H12 0.877 -1.321 1.604
H13 0.877 1.321 1.604
H14 0.000 2.150 0.333
H15 0.000 -2.150 0.333

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.49581.49581.51291.51292.21762.21762.21762.21762.15412.15412.15412.15412.15852.1585
C21.49581.50362.57852.57851.07411.07412.21962.21963.45943.45943.05453.05452.71692.7169
C31.49581.50362.57852.57852.21962.21961.07411.07413.05453.05453.45943.45942.71692.7169
C41.51292.57852.57852.54212.74363.47983.47982.74361.08562.80942.80941.08561.08353.4794
C51.51292.57852.57852.54213.47982.74362.74363.47982.80941.08561.08562.80943.47941.0835
H62.21761.07412.21962.74363.47981.80233.08942.50923.74434.33363.79193.10132.50963.7482
H72.21761.07412.21963.47982.74361.80232.50923.08944.33363.74433.10133.79193.74822.5096
H82.21762.21961.07413.47982.74363.08942.50921.80233.79193.10133.74434.33363.74822.5096
H92.21762.21961.07412.74363.47982.50923.08941.80233.10133.79194.33363.74432.50963.7482
H102.15413.45943.05451.08562.80943.74434.33363.79193.10132.64133.17081.75431.75293.7989
H112.15413.45943.05452.80941.08564.33363.74433.10133.79192.64131.75433.17083.79891.7529
H122.15413.05453.45942.80941.08563.79193.10133.74434.33363.17081.75432.64133.79891.7529
H132.15413.05453.45941.08562.80943.10133.79194.33363.74431.75433.17082.64131.75293.7989
H142.15852.71692.71691.08353.47942.50963.74823.74822.50961.75293.79893.79891.75294.3006
H152.15852.71692.71693.47941.08353.74822.50962.50963.74823.79891.75291.75293.79894.3006

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 59.827 C1 C2 H6 118.372
C1 C2 H7 118.372 C1 C3 C2 59.827
C1 C3 H8 118.372 C1 C3 H9 118.372
C1 C4 H10 110.916 C1 C4 H13 110.916
C1 C4 H14 111.398 C1 C5 H11 110.916
C1 C5 H12 110.916 C1 C5 H15 111.398
C2 C1 C3 60.347 C2 C1 C4 117.964
C2 C1 C5 117.964 C2 C3 H8 117.910
C2 C3 H9 117.910 C3 C1 C4 117.964
C3 C1 C5 117.964 C3 C2 H6 117.910
C3 C2 H7 117.910 C4 C1 C5 114.305
H6 C2 H7 114.064 H8 C3 H9 114.064
H10 C4 H13 107.802 H10 C4 H14 107.827
H11 C5 H12 107.802 H11 C5 H15 107.827
H12 C5 H15 107.827 H13 C4 H14 107.827
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.213      
2 C -1.158      
3 C -1.158      
4 C -0.896      
5 C -0.896      
6 H 0.332      
7 H 0.332      
8 H 0.332      
9 H 0.332      
10 H 0.247      
11 H 0.247      
12 H 0.247      
13 H 0.247      
14 H 0.289      
15 H 0.289      


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 -33.783 0.000 0.000
y 0.000 -32.707 0.000
z 0.000 0.000 -34.514
Traceless
 xyz
x -0.172 0.000 0.000
y 0.000 1.441 0.000
z 0.000 0.000 -1.269
Polar
3z2-r2-2.538
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 8.104 0.000 0.000
y 0.000 8.340 0.000
z 0.000 0.000 8.984


<r2> (average value of r2) Å2
<r2> 122.045
(<r2>)1/2 11.047