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All results from a given calculation for C5H6 (Cyclopropylacetylene)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-193.769701
Energy at 298.15K-193.774656
Nuclear repulsion energy146.370941
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 PBEPBEultrafine/6-31G*
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 3427 3370 64.01      
2 A 3188 3135 11.75      
3 A 3095 3044 7.56      
4 A 3086 3035 6.76      
5 A 2173 2137 17.08      
6 A 1475 1451 0.43      
7 A 1357 1335 4.49      
8 A 1204 1184 0.90      
9 A 1117 1099 0.52      
10 A 1028 1011 5.76      
11 A 965 949 20.27      
12 A 800 787 1.13      
13 A 748 735 1.69      
14 A 578 569 49.09      
15 A 490 482 1.30      
16 A 197 194 0.52      
17 A 3173 3121 0.09      
18 A 3091 3040 16.77      
19 A 1441 1417 2.19      
20 A 1174 1154 0.53      
21 A 1079 1061 2.29      
22 A 1035 1018 6.52      
23 A 877 863 1.22      
24 A 807 794 7.24      
25 A 529 520 27.05      
26 A 472 464 26.91      
27 A 203 200 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 19404.7 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 19084.5 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 PBEPBEultrafine/6-31G*
ABC
0.52601 0.10984 0.10430

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.615 0.151 0.000
C2 -0.558 0.983 0.000
H3 1.568 0.695 0.000
C4 0.615 -1.180 0.752
C5 0.615 -1.180 -0.752
C6 -1.552 1.692 0.000
H7 -2.428 2.313 0.000
H8 1.535 -1.452 1.278
H9 -0.309 -1.454 1.268
H10 1.535 -1.452 -1.278
H11 -0.309 -1.454 -1.268

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 C6 H7 H8 H9 H10 H11
C11.43811.09691.52861.52862.65883.73242.24752.24502.24752.2450
C21.43812.14542.57282.57281.22072.29433.45612.75903.45612.7590
H31.09692.14542.23312.23313.27524.31072.49903.12232.49903.1223
C41.52862.57282.23311.50343.67524.69281.09411.09332.24512.2379
C51.52862.57282.23311.50343.67524.69282.24512.23791.09411.0933
C62.65881.22073.27523.67523.67521.07364.58773.61304.58773.6130
H73.73242.29434.31074.69284.69281.07365.61354.50475.61354.5047
H82.24753.45612.49901.09412.24514.58775.61351.84332.55633.1434
H92.24502.75903.12231.09332.23793.61304.50471.84333.14342.5361
H102.24753.45612.49902.24511.09414.58775.61352.55633.14341.8433
H112.24502.75903.12232.23791.09333.61304.50473.14342.53611.8433

picture of Cyclopropylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 179.838 C1 C4 C5 60.544
C1 C4 H8 116.972 C1 C4 H9 116.815
C1 C5 C4 60.544 C1 C5 H10 116.972
C1 C5 H11 116.815 C2 C1 H3 114.962
C2 C1 C4 120.240 C2 C1 C5 120.240
C2 C6 H7 179.847 H3 C1 C4 115.558
H3 C1 C5 115.558 C4 C1 C5 58.912
C4 C5 H10 118.760 C4 C5 H11 118.183
C5 C4 H8 118.760 C5 C4 H9 118.183
H8 C4 H9 114.849 H10 C5 H11 114.849
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.309      
2 C 0.382      
3 H 0.185      
4 C -0.321      
5 C -0.321      
6 C -0.513      
7 H 0.189      
8 H 0.172      
9 H 0.182      
10 H 0.172      
11 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.565 -0.708 0.000 0.906
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.812 -1.878 0.000
y -1.878 -29.579 0.000
z 0.000 0.000 -30.787
Traceless
 xyz
x 4.370 -1.878 0.000
y -1.878 -1.279 0.000
z 0.000 0.000 -3.091
Polar
3z2-r2-6.183
x2-y23.766
xy-1.878
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.141 -2.769 0.000
y -2.769 7.796 0.000
z 0.000 0.000 5.285


<r2> (average value of r2) Å2
<r2> 121.682
(<r2>)1/2 11.031