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All results from a given calculation for C5H6 (Cyclopropylacetylene)

using model chemistry: B1B95/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 B1B95/cc-pVDZ
 hartrees
Energy at 0K-193.951947
Energy at 298.15K-193.957136
Nuclear repulsion energy147.328722
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 B1B95/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 3494 3358 77.83      
2 A 3268 3141 6.94      
3 A 3175 3052 5.07      
4 A 3163 3040 4.57      
5 A 2241 2154 18.99      
6 A 1485 1428 0.64      
7 A 1371 1318 2.59      
8 A 1226 1179 1.22      
9 A 1126 1083 0.27      
10 A 1050 1009 4.00      
11 A 989 950 22.48      
12 A 812 780 1.25      
13 A 761 731 1.65      
14 A 675 649 37.30      
15 A 498 478 6.75      
16 A 196 188 1.11      
17 A 3254 3128 0.21      
18 A 3158 3036 12.27      
19 A 1426 1371 2.97      
20 A 1181 1135 0.56      
21 A 1093 1051 1.78      
22 A 1056 1015 4.63      
23 A 921 885 4.68      
24 A 818 787 5.39      
25 A 616 592 43.74      
26 A 512 492 0.97      
27 A 205 198 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 19884.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 19113.2 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 B1B95/cc-pVDZ
ABC
0.53192 0.11140 0.10584

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.617 0.151 0.000
C2 -0.561 0.973 0.000
H3 1.557 0.705 0.000
C4 0.617 -1.165 0.747
C5 0.617 -1.165 -0.747
C6 -1.554 1.668 0.000
H7 -2.431 2.282 0.000
H8 1.534 -1.437 1.268
H9 -0.304 -1.439 1.260
H10 1.534 -1.437 -1.268
H11 -0.304 -1.439 -1.260

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 C6 H7 H8 H9 H10 H11
C11.43601.09151.51321.51322.64843.71942.22962.22752.22962.2275
C21.43602.13442.55262.55261.21242.28333.43582.73283.43582.7328
H31.09152.13442.22302.22303.25624.28852.49003.10622.49003.1062
C41.51322.55262.22301.49333.64674.66201.08961.08912.23032.2244
C51.51322.55262.22301.49333.64674.66202.23032.22441.08961.0891
C62.64841.21243.25623.64673.64671.07104.55933.57814.55933.5781
H73.71942.28334.28854.66204.66201.07105.58274.46735.58274.4673
H82.22963.43582.49001.08962.23034.55935.58271.83842.53603.1254
H92.22752.73283.10621.08912.22443.57814.46731.83843.12542.5191
H102.22963.43582.49002.23031.08964.55935.58272.53603.12541.8384
H112.22752.73283.10622.22441.08913.57814.46733.12542.51911.8384

picture of Cyclopropylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 179.905 C1 C4 C5 60.434
C1 C4 H8 116.943 C1 C4 H9 116.793
C1 C5 C4 60.434 C1 C5 H10 116.943
C1 C5 H11 116.793 C2 C1 H3 114.536
C2 C1 C4 119.859 C2 C1 C5 119.859
C2 C6 H7 179.948 H3 C1 C4 116.235
H3 C1 C5 116.235 C4 C1 C5 59.132
C4 C5 H10 118.585 C4 C5 H11 118.094
C5 C4 H8 118.585 C5 C4 H9 118.094
H8 C4 H9 115.089 H10 C5 H11 115.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.201      
2 C 0.450      
3 H 0.037      
4 C -0.006      
5 C -0.006      
6 C -0.432      
7 H -0.016      
8 H 0.040      
9 H 0.047      
10 H 0.040      
11 H 0.047      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.590 -0.700 0.000 0.916
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.074 -1.911 0.000
y -1.911 -29.908 0.000
z 0.000 0.000 -31.177
Traceless
 xyz
x 4.468 -1.911 0.000
y -1.911 -1.282 0.000
z 0.000 0.000 -3.186
Polar
3z2-r2-6.372
x2-y23.834
xy-1.911
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.279 -2.624 0.000
y -2.624 7.980 0.000
z 0.000 0.000 5.609


<r2> (average value of r2) Å2
<r2> 120.461
(<r2>)1/2 10.975