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All results from a given calculation for C5H6 (Cyclopropylacetylene)

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-194.036515
Energy at 298.15K-194.041679
Nuclear repulsion energy146.979597
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 B3LYPultrafine/6-31G*
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 3497 3350 64.31      
2 A 3248 3112 15.77      
3 A 3160 3027 9.37      
4 A 3154 3022 7.47      
5 A 2238 2144 13.62      
6 A 1528 1464 0.31      
7 A 1401 1342 5.21      
8 A 1228 1176 1.08      
9 A 1151 1102 0.68      
10 A 1074 1028 4.72      
11 A 975 934 19.70      
12 A 820 785 1.30      
13 A 763 731 2.66      
14 A 634 607 45.31      
15 A 510 488 4.65      
16 A 207 199 0.64      
17 A 3235 3099 0.07      
18 A 3154 3022 18.93      
19 A 1492 1430 1.40      
20 A 1214 1163 0.47      
21 A 1125 1077 1.32      
22 A 1086 1040 5.76      
23 A 906 868 1.27      
24 A 827 793 8.40      
25 A 566 542 50.95      
26 A 524 502 2.18      
27 A 214 205 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 19964.7 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 19126.2 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 B3LYPultrafine/6-31G*
ABC
0.53018 0.11063 0.10501

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.614 0.150 0.000
C2 -0.561 0.982 0.000
H3 1.556 0.694 0.000
C4 0.614 -1.175 0.750
C5 0.614 -1.175 -0.750
C6 -1.545 1.685 0.000
H7 -2.414 2.302 0.000
H8 1.527 -1.449 1.271
H9 -0.302 -1.451 1.263
H10 1.527 -1.449 -1.271
H11 -0.302 -1.451 -1.263

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 C6 H7 H8 H9 H10 H11
C11.43971.08841.52291.52292.64863.71452.23762.23602.23762.2360
C21.43972.13722.56862.56861.20892.27483.44762.75423.44762.7542
H31.08842.13722.22392.22393.25604.28372.49203.10692.49203.1069
C41.52292.56862.22391.50003.66074.67121.08631.08552.23482.2290
C51.52292.56862.22391.50003.66074.67122.23482.22901.08631.0855
C62.64861.20893.25603.66073.66071.06594.56843.60214.56843.6021
H73.71452.27484.28374.67124.67121.06595.58694.48825.58694.4882
H82.23763.44762.49201.08632.23484.56845.58691.82852.54273.1255
H92.23602.75423.10691.08552.22903.60214.48821.82853.12552.5270
H102.23763.44762.49202.23481.08634.56845.58692.54273.12551.8285
H112.23602.75423.10692.22901.08553.60214.48823.12552.52701.8285

picture of Cyclopropylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 179.798 C1 C4 C5 60.496
C1 C4 H8 117.106 C1 C4 H9 117.023
C1 C5 C4 60.496 C1 C5 H10 117.106
C1 C5 H11 117.023 C2 C1 H3 114.709
C2 C1 C4 120.198 C2 C1 C5 120.198
C2 C6 H7 179.896 H3 C1 C4 115.783
H3 C1 C5 115.783 C4 C1 C5 59.009
C4 C5 H10 118.682 C4 C5 H11 118.233
C5 C4 H8 118.682 C5 C4 H9 118.233
H8 C4 H9 114.690 H10 C5 H11 114.690
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.271      
2 C 0.369      
3 H 0.172      
4 C -0.299      
5 C -0.299      
6 C -0.515      
7 H 0.186      
8 H 0.159      
9 H 0.169      
10 H 0.159      
11 H 0.169      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.531 -0.666 0.000 0.852
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.989 -1.853 0.000
y -1.853 -29.593 0.000
z 0.000 0.000 -30.822
Traceless
 xyz
x 4.218 -1.853 0.000
y -1.853 -1.187 0.000
z 0.000 0.000 -3.031
Polar
3z2-r2-6.062
x2-y23.604
xy-1.853
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.872 -2.607 0.000
y -2.607 7.526 0.000
z 0.000 0.000 5.178


<r2> (average value of r2) Å2
<r2> 120.967
(<r2>)1/2 10.998