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All results from a given calculation for C5H6 (Cyclopropylacetylene)

using model chemistry: B3LYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYP/cc-pVDZ
 hartrees
Energy at 0K-194.046310
Energy at 298.15K-194.051485
Nuclear repulsion energy146.652314
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 B3LYP/cc-pVDZ
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 3482 3378 78.33      
2 A 3235 3138 10.64      
3 A 3143 3049 7.00      
4 A 3134 3040 5.59      
5 A 2227 2160 16.75      
6 A 1480 1436 0.55      
7 A 1368 1327 3.63      
8 A 1213 1176 0.99      
9 A 1127 1094 0.43      
10 A 1049 1017 4.14      
11 A 966 937 19.78      
12 A 808 783 1.23      
13 A 754 732 2.52      
14 A 669 649 37.38      
15 A 498 484 6.40      
16 A 199 193 0.97      
17 A 3221 3124 0.17      
18 A 3130 3036 15.01      
19 A 1436 1393 2.12      
20 A 1186 1150 0.57      
21 A 1099 1066 1.13      
22 A 1062 1030 4.68      
23 A 892 865 2.87      
24 A 815 790 7.32      
25 A 609 591 43.34      
26 A 510 495 0.47      
27 A 208 202 1.02      

Unscaled Zero Point Vibrational Energy (zpe) 19759.1 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 19166.3 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 B3LYP/cc-pVDZ
ABC
0.52691 0.11033 0.10477

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.635 0.000
C2 -1.087 -0.312 0.000
H3 -0.312 1.684 0.000
C4 1.288 0.318 0.751
C5 1.288 0.318 -0.751
C6 -2.004 -1.107 0.000
H7 -2.813 -1.810 0.000
H8 1.773 1.146 1.274
H9 1.335 -0.643 1.266
H10 1.773 1.146 -1.274
H11 1.335 -0.643 -1.266

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 C6 H7 H8 H9 H10 H11
C11.44141.09421.52431.52432.65533.72712.24182.24012.24182.2401
C21.44142.14102.56922.56921.21392.28573.45312.75253.45312.7525
H31.09422.14102.23342.23343.26404.29702.50123.11912.50123.1191
C41.52432.56922.23341.50283.66494.68091.09221.09162.24082.2353
C51.52432.56922.23341.50283.66494.68092.24082.23531.09221.0916
C62.65531.21393.26403.66493.66491.07184.57823.60044.57823.6004
H73.72712.28574.29704.68094.68091.07185.60254.49085.60254.4908
H82.24183.45312.50121.09222.24084.57825.60251.84212.54753.1374
H92.24012.75253.11911.09162.23533.60044.49081.84213.13742.5319
H102.24183.45312.50122.24081.09224.57825.60252.54753.13741.8421
H112.24012.75253.11912.23531.09163.60044.49083.13742.53191.8421

picture of Cyclopropylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 179.877 C1 C4 C5 60.466
C1 C4 H8 116.952 C1 C4 H9 116.849
C1 C5 C4 60.466 C1 C5 H10 116.952
C1 C5 H11 116.849 C2 C1 H3 114.517
C2 C1 C4 120.033 C2 C1 C5 120.033
C2 C6 H7 179.974 H3 C1 C4 116.094
H3 C1 C5 116.094 C4 C1 C5 59.067
C4 C5 H10 118.572 C4 C5 H11 118.125
C5 C4 H8 118.572 C5 C4 H9 118.125
H8 C4 H9 115.028 H10 C5 H11 115.028
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.171      
2 C 0.473      
3 H 0.020      
4 C 0.014      
5 C 0.014      
6 C -0.438      
7 H -0.029      
8 H 0.027      
9 H 0.032      
10 H 0.027      
11 H 0.032      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.801 0.402 0.000 0.897
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.060 2.501 0.000
y 2.501 -27.524 0.000
z 0.000 0.000 -31.383
Traceless
 xyz
x 0.394 2.501 0.000
y 2.501 2.698 0.000
z 0.000 0.000 -3.092
Polar
3z2-r2-6.184
x2-y2-1.536
xy2.501
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.317 2.407 0.000
y 2.407 7.078 0.000
z 0.000 0.000 5.637


<r2> (average value of r2) Å2
<r2> 121.617
(<r2>)1/2 11.028