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All results from a given calculation for C5H6 (Cyclopropylacetylene)

using model chemistry: BLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at BLYP/6-311G*
 hartrees
Energy at 0K-193.983764
Energy at 298.15K-193.988699
Nuclear repulsion energy146.205280
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 BLYP/6-311G*
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 3391 3383 54.84      
2 A 3146 3138 24.67      
3 A 3056 3049 13.09      
4 A 3050 3043 10.40      
5 A 2144 2138 19.58      
6 A 1469 1465 0.88      
7 A 1348 1345 4.18      
8 A 1177 1174 0.41      
9 A 1113 1110 0.46      
10 A 1020 1017 7.87      
11 A 932 929 18.42      
12 A 796 794 0.94      
13 A 733 731 3.49      
14 A 591 590 50.23      
15 A 483 482 3.34      
16 A 192 191 0.84      
17 A 3130 3123 0.02      
18 A 3052 3044 28.10      
19 A 1443 1440 2.82      
20 A 1177 1174 0.69      
21 A 1079 1076 1.78      
22 A 1036 1034 6.67      
23 A 852 850 0.10      
24 A 787 785 10.42      
25 A 529 528 42.19      
26 A 471 470 11.73      
27 A 197 196 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 19196.6 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 19148.6 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 BLYP/6-311G*
ABC
0.52422 0.10951 0.10389

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.631 0.000
C2 -1.097 -0.303 0.000
H3 -0.293 1.684 0.000
C4 1.299 0.307 0.755
C5 1.299 0.307 -0.755
C6 -2.022 -1.087 0.000
H7 -2.838 -1.778 0.000
H8 1.785 1.131 1.280
H9 1.345 -0.651 1.271
H10 1.785 1.131 -1.280
H11 1.345 -0.651 -1.271

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 C6 H7 H8 H9 H10 H11
C11.44011.09331.53691.53692.65373.72302.25272.25082.25272.2508
C21.44012.14292.58502.58501.21362.28293.46372.77423.46372.7742
H31.09332.14292.23612.23613.26654.29722.50263.12272.50263.1227
C41.53692.58502.23611.51013.68074.69461.09071.08962.24852.2416
C51.53692.58502.23611.51013.68074.69462.24852.24161.09071.0896
C62.65371.21363.26653.68073.68071.06934.58863.62514.58863.6251
H73.72302.28294.29724.69464.69461.06935.61054.51475.61054.5147
H82.25273.46372.50261.09072.24854.58865.61051.83592.56003.1426
H92.25082.77423.12271.08962.24163.62514.51471.83593.14262.5411
H102.25273.46372.50262.24851.09074.58865.61052.56003.14261.8359
H112.25082.77423.12272.24161.08963.62514.51473.14262.54111.8359

picture of Cyclopropylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 179.894 C1 C4 C5 60.575
C1 C4 H8 117.012 C1 C4 H9 116.929
C1 C5 C4 60.575 C1 C5 H10 117.012
C1 C5 H11 116.929 C2 C1 H3 114.838
C2 C1 C4 120.489 C2 C1 C5 120.489
C2 C6 H7 179.973 H3 C1 C4 115.427
H3 C1 C5 115.427 C4 C1 C5 58.850
C4 C5 H10 118.769 C4 C5 H11 118.233
C5 C4 H8 118.769 C5 C4 H9 118.233
H8 C4 H9 114.712 H10 C5 H11 114.712
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.335      
2 C 0.069      
3 H 0.217      
4 C -0.383      
5 C -0.383      
6 C -0.256      
7 H 0.226      
8 H 0.208      
9 H 0.215      
10 H 0.208      
11 H 0.215      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.816 0.406 0.000 0.912
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.445 2.603 0.000
y 2.603 -27.871 0.000
z 0.000 0.000 -31.867
Traceless
 xyz
x 0.424 2.603 0.000
y 2.603 2.786 0.000
z 0.000 0.000 -3.210
Polar
3z2-r2-6.419
x2-y2-1.574
xy2.603
xz0.000
yz0.000


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


<r2> (average value of r2) Å2
<r2> 122.623
(<r2>)1/2 11.074