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All results from a given calculation for C5H6 (Cyclopropylacetylene)

using model chemistry: B3PW91/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 B3PW91/cc-pVDZ
 hartrees
Energy at 0K-193.975202
Energy at 298.15K-193.980396
Nuclear repulsion energy146.944874
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 B3PW91/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 3493 3371 79.47      
2 A 3254 3140 7.14      
3 A 3161 3050 5.34      
4 A 3150 3040 4.81      
5 A 2233 2155 19.73      
6 A 1483 1431 0.65      
7 A 1371 1323 2.80      
8 A 1222 1179 1.03      
9 A 1128 1088 0.37      
10 A 1049 1012 4.27      
11 A 980 946 22.39      
12 A 811 782 1.34      
13 A 760 733 2.04      
14 A 674 650 38.98      
15 A 500 482 6.90      
16 A 199 192 1.16      
17 A 3240 3127 0.19      
18 A 3145 3035 12.81      
19 A 1431 1381 3.09      
20 A 1183 1142 0.63      
21 A 1097 1058 1.69      
22 A 1057 1020 5.27      
23 A 909 877 3.99      
24 A 820 791 6.57      
25 A 616 594 45.49      
26 A 513 495 0.81      
27 A 207 200 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 19842.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 19147.6 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 B3PW91/cc-pVDZ
ABC
0.52950 0.11078 0.10522

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.634 0.000
C2 -1.082 -0.313 0.000
H3 -0.316 1.682 0.000
C4 1.284 0.321 0.749
C5 1.284 0.321 -0.749
C6 -1.998 -1.110 0.000
H7 -2.806 -1.815 0.000
H8 1.766 1.149 1.272
H9 1.332 -0.640 1.264
H10 1.766 1.149 -1.272
H11 1.332 -0.640 -1.264

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 C6 H7 H8 H9 H10 H11
C11.43811.09401.51871.51872.65243.72462.23652.23512.23652.2351
C21.43812.13722.56102.56101.21422.28653.44492.74453.44492.7445
H31.09402.13722.22922.22923.25984.29302.49673.11492.49673.1149
C41.51872.56102.22921.49793.65764.67431.09191.09142.23672.2309
C51.51872.56102.22921.49793.65764.67432.23672.23091.09191.0914
C62.65241.21423.25983.65763.65761.07224.57063.59294.57063.5929
H73.72462.28654.29304.67434.67431.07225.59544.48385.59544.4838
H82.23653.44492.49671.09192.23674.57065.59541.84122.54393.1337
H92.23512.74453.11491.09142.23093.59294.48381.84123.13372.5275
H102.23653.44492.49672.23671.09194.57065.59542.54393.13371.8412
H112.23512.74453.11492.23091.09143.59294.48383.13372.52751.8412

picture of Cyclopropylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 179.818 C1 C4 C5 60.453
C1 C4 H8 116.943 C1 C4 H9 116.868
C1 C5 C4 60.453 C1 C5 H10 116.943
C1 C5 H11 116.868 C2 C1 H3 114.451
C2 C1 C4 119.998 C2 C1 C5 119.998
C2 C6 H7 179.951 H3 C1 C4 116.176
H3 C1 C5 116.176 C4 C1 C5 59.094
C4 C5 H10 118.618 C4 C5 H11 118.145
C5 C4 H8 118.618 C5 C4 H9 118.145
H8 C4 H9 114.985 H10 C5 H11 114.985
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.220      
2 C 0.456      
3 H 0.050      
4 C -0.034      
5 C -0.034      
6 C -0.445      
7 H 0.001      
8 H 0.053      
9 H 0.059      
10 H 0.053      
11 H 0.059      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.833 0.408 0.000 0.928
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.773 2.615 0.000
y 2.615 -27.158 0.000
z 0.000 0.000 -31.192
Traceless
 xyz
x 0.401 2.615 0.000
y 2.615 2.824 0.000
z 0.000 0.000 -3.226
Polar
3z2-r2-6.452
x2-y2-1.615
xy2.615
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> 121.024
(<r2>)1/2 11.001