return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: PBE1PBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-195.061050
Energy at 298.15K-195.069214
HF Energy-195.061050
Nuclear repulsion energy162.848186
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 PBE1PBE/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' 3264 3139 11.23      
2 A' 3256 3131 10.65      
3 A' 3179 3056 8.82      
4 A' 3166 3044 1.76      
5 A' 3156 3035 10.44      
6 A' 3148 3027 8.17      
7 A' 1736 1669 32.86      
8 A' 1495 1438 1.37      
9 A' 1445 1389 0.08      
10 A' 1353 1301 1.14      
11 A' 1301 1251 2.74      
12 A' 1236 1188 2.98      
13 A' 1230 1183 2.61      
14 A' 1050 1009 2.06      
15 A' 996 957 4.63      
16 A' 985 947 39.96      
17 A' 832 800 1.04      
18 A' 767 737 0.19      
19 A' 447 430 1.08      
20 A' 268 257 1.26      
21 A" 3242 3117 0.10      
22 A" 3151 3029 15.06      
23 A" 1432 1377 2.58      
24 A" 1184 1138 0.76      
25 A" 1118 1075 2.45      
26 A" 1056 1016 5.38      
27 A" 1020 981 6.53      
28 A" 933 897 1.98      
29 A" 915 880 45.69      
30 A" 833 801 3.89      
31 A" 680 654 5.41      
32 A" 311 299 0.94      
33 A" 124 119 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 25153.7 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 24185.3 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 PBE1PBE/cc-pVDZ
ABC
0.50632 0.10172 0.09788

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.391 0.287 0.000
C2 0.253 -1.037 0.000
C3 -0.388 -2.208 0.000
C4 0.253 1.434 0.748
C5 0.253 1.434 -0.748
H6 -1.485 0.266 0.000
H7 1.351 -1.031 0.000
H8 0.156 -3.154 0.000
H9 -1.481 -2.260 0.000
H10 -0.406 2.130 1.270
H11 1.195 1.230 1.263
H12 -0.406 2.130 -1.270
H13 1.195 1.230 -1.263

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47282.49531.51331.51331.09352.18473.48482.77032.23802.23602.23802.2360
C21.47281.33542.58182.58182.17211.09782.11952.12223.47522.76063.47522.7606
C32.49531.33543.77323.77322.70612.10051.09171.09404.52013.99024.52013.9902
C41.51332.58183.77321.49582.22342.80004.65004.14871.09171.09252.23412.2300
C51.51332.58183.77321.49582.22342.80004.65004.14872.23412.23001.09171.0925
H61.09352.17212.70612.22342.22343.11813.79352.52572.49983.11502.49983.1150
H72.18471.09782.10052.80002.80003.11812.43673.08753.83292.59443.83292.5944
H83.48482.11951.09174.65004.65003.79352.43671.86595.46374.67935.46374.6793
H92.77032.12221.09404.14874.14872.52573.08751.86594.69424.57534.69424.5753
H102.23803.47524.52011.09172.23412.49983.83295.46374.69421.83662.54013.1291
H112.23602.76063.99021.09252.23003.11502.59444.67934.57531.83663.12912.5267
H122.23803.47524.52012.23411.09172.49983.83295.46374.69422.54013.12911.8366
H132.23602.76063.99022.23001.09253.11502.59444.67934.57533.12912.52671.8366

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.323 C1 C2 H7 115.629
C1 C4 C5 60.382 C1 C4 H10 117.516
C1 C4 H11 117.293 C1 C5 C4 60.382
C1 C5 H12 117.516 C1 C5 H13 117.293
C2 C1 C4 119.669 C2 C1 C5 119.669
C2 C1 H6 114.846 C2 C3 H8 121.358
C2 C3 H9 121.422 C3 C2 H7 119.049
C4 C1 H6 116.137 C4 C5 H12 118.574
C4 C5 H13 118.152 C5 C1 H6 116.137
C5 C4 H10 118.574 C5 C4 H11 118.152
H8 C3 H9 117.221 H10 C4 H11 114.462
H12 C5 H13 114.462
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.119      
2 C -0.032      
3 C -0.039      
4 C -0.045      
5 C -0.045      
6 H 0.008      
7 H 0.002      
8 H 0.039      
9 H 0.031      
10 H 0.052      
11 H 0.049      
12 H 0.052      
13 H 0.049      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.027 0.558 0.000 0.559
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.438 -1.014 0.000
y -1.014 -31.325 0.000
z 0.000 0.000 -33.530
Traceless
 xyz
x 2.989 -1.014 0.000
y -1.014 0.159 0.000
z 0.000 0.000 -3.148
Polar
3z2-r2-6.297
x2-y21.886
xy-1.014
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.346 0.913 0.000
y 0.913 10.925 0.000
z 0.000 0.000 5.836


<r2> (average value of r2) Å2
<r2> 134.340
(<r2>)1/2 11.591