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All results from a given calculation for C5H6 (Cyclopropylacetylene)

using model chemistry: PBEPBE/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 PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-193.841895
Energy at 298.15K-193.846954
Nuclear repulsion energy147.003875
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 PBEPBE/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 3378 74.59      
2 A 3170 3148 8.72      
3 A 3079 3057 6.80      
4 A 3075 3054 4.27      
5 A 2154 2139 27.45      
6 A 1447 1437 0.97      
7 A 1336 1327 2.92      
8 A 1189 1180 0.57      
9 A 1103 1095 0.27      
10 A 1014 1007 6.72      
11 A 954 948 20.86      
12 A 793 788 0.80      
13 A 740 735 1.90      
14 A 632 628 43.78      
15 A 489 485 6.93      
16 A 194 193 1.19      
17 A 3156 3134 0.11      
18 A 3074 3053 16.31      
19 A 1416 1406 3.07      
20 A 1162 1154 0.70      
21 A 1070 1062 1.54      
22 A 1034 1027 5.85      
23 A 867 861 2.12      
24 A 800 795 7.25      
25 A 570 566 51.81      
26 A 500 497 0.20      
27 A 200 199 1.34      

Unscaled Zero Point Vibrational Energy (zpe) 19308.5 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 19175.3 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 PBEPBE/cc-pVTZ
ABC
0.52903 0.11092 0.10533

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.614 0.153 0.000
C2 -0.557 0.979 0.000
H3 1.559 0.698 0.000
C4 0.614 -1.173 0.750
C5 0.614 -1.173 -0.750
C6 -1.548 1.679 0.000
H7 -2.421 2.296 0.000
H8 1.530 -1.445 1.272
H9 -0.307 -1.445 1.262
H10 1.530 -1.445 -1.272
H11 -0.307 -1.445 -1.262

Atom - Atom Distances (Å)
  C1 C2 H3 C4 C5 C6 H7 H8 H9 H10 H11
C11.43301.09161.52331.52332.64583.71502.23822.23442.23822.2344
C21.43302.13522.56202.56201.21282.28213.44202.74363.44202.7436
H31.09162.13522.22672.22673.25824.28912.49213.10942.49213.1094
C41.52332.56202.22671.50003.65604.66941.08901.08822.23662.2292
C51.52332.56202.22671.50003.65604.66942.23662.22921.08901.0882
C62.64581.21283.25823.65603.65601.06924.56563.58954.56563.5895
H73.71502.28214.28914.66944.66941.06925.58734.47755.58734.4775
H82.23823.44202.49211.08902.23664.56565.58731.83742.54453.1300
H92.23442.74363.10941.08822.22923.58954.47751.83743.13002.5236
H102.23823.44202.49212.23661.08904.56565.58732.54453.13001.8374
H112.23442.74363.10942.22921.08823.58954.47753.13002.52361.8374

picture of Cyclopropylacetylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C6 179.962 C1 C4 C5 60.505
C1 C4 H8 116.946 C1 C4 H9 116.663
C1 C5 C4 60.505 C1 C5 H10 116.946
C1 C5 H11 116.663 C2 C1 H3 114.832
C2 C1 C4 120.114 C2 C1 C5 120.114
C2 C6 H7 179.995 H3 C1 C4 115.771
H3 C1 C5 115.771 C4 C1 C5 58.989
C4 C5 H10 118.658 C4 C5 H11 118.057
C5 C4 H8 118.658 C5 C4 H9 118.057
H8 C4 H9 115.111 H10 C5 H11 115.111
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.061      
2 C 0.019      
3 H 0.109      
4 C -0.181      
5 C -0.181      
6 C -0.247      
7 H 0.129      
8 H 0.100      
9 H 0.106      
10 H 0.100      
11 H 0.106      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.658 -0.766 0.000 1.010
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.656 -1.856 0.000
y -1.856 -30.500 0.000
z 0.000 0.000 -31.666
Traceless
 xyz
x 4.427 -1.856 0.000
y -1.856 -1.339 0.000
z 0.000 0.000 -3.087
Polar
3z2-r2-6.175
x2-y23.844
xy-1.856
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.056 -2.670 0.000
y -2.670 9.163 0.000
z 0.000 0.000 6.652


<r2> (average value of r2) Å2
<r2> 121.255
(<r2>)1/2 11.012