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All results from a given calculation for C5H6 (Cyclopropylacetylene)

using model chemistry: PBEPBE/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 PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-193.781925
Energy at 298.15K-193.786925
Nuclear repulsion energy146.119938
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3420 3400 77.51      
2 A 3178 3160 7.48      
3 A 3079 3061 6.64      
4 A 3074 3056 3.96      
5 A 2165 2152 20.44      
6 A 1429 1421 0.64      
7 A 1325 1317 3.13      
8 A 1187 1180 0.84      
9 A 1094 1088 0.24      
10 A 1007 1001 4.51      
11 A 957 952 19.92      
12 A 790 786 0.94      
13 A 739 735 1.63      
14 A 625 621 38.50      
15 A 481 478 4.32      
16 A 190 189 0.91      
17 A 3164 3146 0.20      
18 A 3071 3053 13.16      
19 A 1382 1374 2.66      
20 A 1146 1140 0.56      
21 A 1053 1046 2.00      
22 A 1016 1010 4.84      
23 A 868 863 3.09      
24 A 792 788 5.49      
25 A 565 562 43.21      
26 A 486 483 0.18      
27 A 199 197 0.92      

Unscaled Zero Point Vibrational Energy (zpe) 19240.7 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 19129.1 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 PBEPBE/cc-pVDZ
ABC
0.52320 0.10966 0.10417

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.618 0.153 0.000
C2 -0.560 0.981 0.000
H3 1.570 0.708 0.000
C4 0.618 -1.178 0.753
C5 0.618 -1.178 -0.753
C6 -1.560 1.687 0.000
H7 -2.442 2.309 0.000
H8 1.544 -1.451 1.280
H9 -0.311 -1.453 1.270
H10 1.544 -1.451 -1.280
H11 -0.311 -1.453 -1.270

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 C6 H7 H8 H9 H10 H11
C11.43971.10191.52881.52882.66483.74362.25082.24832.25082.2483
C21.43972.14722.57162.57161.22512.30393.46052.75613.46052.7561
H31.10192.14722.24252.24253.28024.32002.50983.13392.50983.1339
C41.52882.57162.24251.50583.67734.69991.09941.09882.25002.2435
C51.52882.57162.24251.50583.67734.69992.25002.24351.09941.0988
C62.66481.22513.28023.67733.67731.07884.59593.61004.59593.6100
H73.74362.30394.32004.69994.69991.07885.62684.50565.62684.5056
H82.25083.46052.50981.09942.25004.59595.62681.85512.55933.1534
H92.24832.75613.13391.09882.24353.61004.50561.85513.15342.5408
H102.25083.46052.50982.25001.09944.59595.62682.55933.15341.8551
H112.24832.75613.13392.24351.09883.61004.50563.15342.54081.8551

picture of Cyclopropylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 179.873 C1 C4 C5 60.496
C1 C4 H8 116.887 C1 C4 H9 116.712
C1 C5 C4 60.496 C1 C5 H10 116.887
C1 C5 H11 116.712 C2 C1 H3 114.652
C2 C1 C4 120.030 C2 C1 C5 120.030
C2 C6 H7 179.937 H3 C1 C4 116.002
H3 C1 C5 116.002 C4 C1 C5 59.007
C4 C5 H10 118.627 C4 C5 H11 118.095
C5 C4 H8 118.627 C5 C4 H9 118.095
H8 C4 H9 115.116 H10 C5 H11 115.116
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.209      
2 C 0.491      
3 H 0.032      
4 C -0.009      
5 C -0.009      
6 C -0.436      
7 H -0.028      
8 H 0.039      
9 H 0.045      
10 H 0.039      
11 H 0.045      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.616 -0.720 0.000 0.948
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.340 -1.864 0.000
y -1.864 -30.109 0.000
z 0.000 0.000 -31.345
Traceless
 xyz
x 4.387 -1.864 0.000
y -1.864 -1.266 0.000
z 0.000 0.000 -3.121
Polar
3z2-r2-6.242
x2-y23.769
xy-1.864
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.613 -2.814 0.000
y -2.814 8.349 0.000
z 0.000 0.000 5.753


<r2> (average value of r2) Å2
<r2> 122.242
(<r2>)1/2 11.056