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All results from a given calculation for C5H6 (Cyclopropylacetylene)

using model chemistry: BLYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-194.014839
Energy at 298.15K-194.019888
Nuclear repulsion energy146.578306
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/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 3402 3392 70.96      
2 A 3154 3144 13.84      
3 A 3066 3057 9.56      
4 A 3061 3052 6.10      
5 A 2143 2137 25.65      
6 A 1460 1456 0.80      
7 A 1340 1336 4.33      
8 A 1172 1168 0.30      
9 A 1108 1105 0.38      
10 A 1024 1021 6.65      
11 A 927 925 17.42      
12 A 793 790 0.79      
13 A 730 728 2.96      
14 A 632 630 43.48      
15 A 488 486 7.02      
16 A 196 196 1.15      
17 A 3139 3129 0.05      
18 A 3062 3053 21.06      
19 A 1438 1434 1.71      
20 A 1173 1169 0.69      
21 A 1083 1080 0.98      
22 A 1045 1042 5.54      
23 A 852 849 0.23      
24 A 786 784 9.91      
25 A 568 566 50.81      
26 A 498 497 0.14      
27 A 202 202 1.22      

Unscaled Zero Point Vibrational Energy (zpe) 19270.3 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 19212.5 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 BLYP/cc-pVTZ
ABC
0.52729 0.11001 0.10436

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.629 0.000
C2 -1.093 -0.304 0.000
H3 -0.297 1.677 0.000
C4 1.295 0.310 0.754
C5 1.295 0.310 -0.754
C6 -2.016 -1.089 0.000
H7 -2.829 -1.779 0.000
H8 1.778 1.132 1.275
H9 1.342 -0.647 1.265
H10 1.778 1.132 -1.275
H11 1.342 -0.647 -1.265

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 C6 H7 H8 H9 H10 H11
C11.43781.08921.53231.53232.64893.71492.24502.24282.24502.2428
C21.43782.13572.57892.57891.21122.27713.45462.76563.45462.7656
H31.08922.13572.23022.23023.25674.28402.49573.11272.49573.1127
C41.53232.57892.23021.50713.67294.68381.08681.08592.24142.2345
C51.53232.57892.23021.50713.67294.68382.24142.23451.08681.0859
C62.64891.21123.25673.67293.67291.06594.57763.61574.57763.6157
H73.71492.27714.28404.68384.68381.06595.59664.50305.59664.5030
H82.24503.45462.49571.08682.24144.57765.59661.83172.54993.1317
H92.24282.76563.11271.08592.23453.61574.50301.83173.13172.5304
H102.24503.45462.49572.24141.08684.57765.59662.54993.13171.8317
H112.24282.76563.11272.23451.08593.61574.50303.13172.53041.8317

picture of Cyclopropylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 179.858 C1 C4 C5 60.543
C1 C4 H8 116.976 C1 C4 H9 116.852
C1 C5 C4 60.543 C1 C5 H10 116.976
C1 C5 H11 116.852 C2 C1 H3 114.674
C2 C1 C4 120.492 C2 C1 C5 120.492
C2 C6 H7 179.973 H3 C1 C4 115.541
H3 C1 C5 115.541 C4 C1 C5 58.915
C4 C5 H10 118.669 C4 C5 H11 118.111
C5 C4 H8 118.669 C5 C4 H9 118.111
H8 C4 H9 114.931 H10 C5 H11 114.931
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.035      
2 C 0.020      
3 H 0.104      
4 C -0.178      
5 C -0.178      
6 C -0.241      
7 H 0.118      
8 H 0.095      
9 H 0.101      
10 H 0.095      
11 H 0.101      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.886 0.444 0.000 0.991
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.713 2.411 0.000
y 2.411 -28.197 0.000
z 0.000 0.000 -31.907
Traceless
 xyz
x 0.339 2.411 0.000
y 2.411 2.613 0.000
z 0.000 0.000 -2.952
Polar
3z2-r2-5.904
x2-y2-1.516
xy2.411
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> 122.253
(<r2>)1/2 11.057