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All results from a given calculation for C5H6 (Cyclopropylacetylene)

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-194.033437
Energy at 298.15K-194.038689
Nuclear repulsion energy147.864667
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-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 3476 3342 77.64      
2 A 3243 3118 8.37      
3 A 3155 3034 4.85      
4 A 3148 3027 5.53      
5 A 2222 2137 26.22      
6 A 1499 1441 0.95      
7 A 1382 1329 2.72      
8 A 1224 1177 0.81      
9 A 1137 1093 0.40      
10 A 1056 1016 5.79      
11 A 978 940 23.21      
12 A 814 782 1.12      
13 A 761 732 2.22      
14 A 686 659 42.66      
15 A 506 487 9.74      
16 A 203 195 1.44      
17 A 3228 3104 0.11      
18 A 3144 3023 15.26      
19 A 1463 1406 3.33      
20 A 1199 1153 0.77      
21 A 1114 1071 1.09      
22 A 1076 1034 6.07      
23 A 908 873 3.06      
24 A 828 796 8.02      
25 A 628 604 50.50      
26 A 523 502 2.97      
27 A 210 202 1.70      

Unscaled Zero Point Vibrational Energy (zpe) 19903.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 19139.2 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 B3PW91/cc-pVTZ
ABC
0.53552 0.11212 0.10645

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.630 0.000
C2 -1.079 -0.310 0.000
H3 -0.307 1.670 0.000
C4 1.278 0.316 0.746
C5 1.278 0.316 -0.746
C6 -1.987 -1.098 0.000
H7 -2.790 -1.794 0.000
H8 1.758 1.135 1.264
H9 1.324 -0.636 1.255
H10 1.758 1.135 -1.264
H11 1.324 -0.636 -1.255

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 C6 H7 H8 H9 H10 H11
C11.43141.08391.51251.51252.63343.69592.22322.22082.22322.2208
C21.43142.12492.55042.55041.20202.26463.42582.73093.42582.7309
H31.08392.12492.21372.21373.23754.26152.47933.09082.47933.0908
C41.51252.55042.21371.49173.63534.64281.08171.08102.22292.2164
C51.51252.55042.21371.49173.63534.64282.22292.21641.08171.0810
C62.63341.20203.23753.63533.63531.06264.53983.57104.53983.5710
H73.69592.26464.26154.64284.64281.06265.55524.45425.55524.4542
H82.22323.42582.47931.08172.22294.53985.55521.82402.52813.1101
H92.22082.73093.09081.08102.21643.57104.45421.82403.11012.5100
H102.22323.42582.47932.22291.08174.53985.55522.52813.11011.8240
H112.22082.73093.09082.21641.08103.57104.45423.11012.51001.8240

picture of Cyclopropylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 179.893 C1 C4 C5 60.454
C1 C4 H8 116.991 C1 C4 H9 116.829
C1 C5 C4 60.454 C1 C5 H10 116.991
C1 C5 H11 116.829 C2 C1 H3 114.596
C2 C1 C4 120.046 C2 C1 C5 120.046
C2 C6 H7 179.977 H3 C1 C4 116.008
H3 C1 C5 116.008 C4 C1 C5 59.092
C4 C5 H10 118.625 C4 C5 H11 118.101
C5 C4 H8 118.625 C5 C4 H9 118.101
H8 C4 H9 115.004 H10 C5 H11 115.004
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.073 0.000    
2 C 0.010 0.000    
3 H 0.118 0.000    
4 C -0.190 0.000    
5 C -0.190 0.000    
6 C -0.230 0.000    
7 H 0.124 0.000    
8 H 0.104 0.000    
9 H 0.111 0.000    
10 H 0.104 0.000    
11 H 0.111 0.000    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.885 0.438 0.000 0.987
CHELPG 0.000 0.000 0.000 0.000
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.062 2.590 0.000
y 2.590 -27.409 0.000
z 0.000 0.000 -31.383
Traceless
 xyz
x 0.334 2.590 0.000
y 2.590 2.814 0.000
z 0.000 0.000 -3.148
Polar
3z2-r2-6.295
x2-y2-1.653
xy2.590
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> 119.935
(<r2>)1/2 10.951