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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-195.257060
Energy at 298.15K-195.265241
HF Energy-195.257060
Nuclear repulsion energy163.202148
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 mPW1PW91/6-31G**
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' 3274 3115 16.09      
2 A' 3269 3110 15.04      
3 A' 3191 3037 10.48      
4 A' 3184 3029 3.68      
5 A' 3175 3021 12.33      
6 A' 3160 3007 10.40      
7 A' 1745 1660 29.09      
8 A' 1529 1455 1.13      
9 A' 1481 1409 0.21      
10 A' 1376 1309 0.85      
11 A' 1324 1260 2.92      
12 A' 1250 1190 3.21      
13 A' 1240 1180 1.96      
14 A' 1071 1019 1.57      
15 A' 1013 964 5.52      
16 A' 989 941 39.29      
17 A' 839 798 0.95      
18 A' 778 740 0.16      
19 A' 448 426 1.10      
20 A' 268 255 1.22      
21 A" 3255 3097 0.09      
22 A" 3171 3017 19.66      
23 A" 1482 1410 1.76      
24 A" 1208 1149 0.72      
25 A" 1138 1083 2.61      
26 A" 1081 1029 6.57      
27 A" 1032 982 6.48      
28 A" 938 893 0.36      
29 A" 924 879 52.61      
30 A" 842 801 5.72      
31 A" 685 652 4.91      
32 A" 312 297 1.06      
33 A" 123 117 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 25396.7 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 24165.0 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 mPW1PW91/6-31G**
ABC
0.50939 0.10193 0.09805

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.389 0.287 0.000
C2 0.253 -1.039 0.000
C3 -0.390 -2.205 0.000
C4 0.253 1.433 0.747
C5 0.253 1.433 -0.747
H6 -1.475 0.267 0.000
H7 1.344 -1.034 0.000
H8 0.144 -3.148 0.000
H9 -1.475 -2.256 0.000
H10 -0.401 2.124 1.266
H11 1.189 1.234 1.259
H12 -0.401 2.124 -1.266
H13 1.189 1.234 -1.259

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47312.49181.51201.51201.08632.17863.47612.76452.23192.23032.23192.2303
C21.47311.33212.58262.58262.16651.09012.11232.11373.46962.76193.46962.7619
C32.49181.33213.76983.76982.69972.09231.08391.08594.51113.98864.51113.9886
C41.51202.58263.76981.49412.21532.79884.64344.14181.08411.08472.22702.2226
C51.51202.58263.76981.49412.21532.79884.64344.14182.22702.22261.08411.0847
H61.08632.16652.69972.21532.21533.10453.77962.52262.49193.10152.49193.1015
H72.17861.09012.09232.79882.79883.10452.43113.07193.82372.59903.82372.5990
H83.47612.11231.08394.64344.64343.77962.43111.84855.45004.67825.45004.6782
H92.76452.11371.08594.14184.14182.52263.07191.84854.68454.56744.68454.5674
H102.23193.46964.51111.08412.22702.49193.82375.45004.68451.82162.53273.1141
H112.23032.76193.98861.08472.22263.10152.59904.67824.56741.82163.11412.5189
H122.23193.46964.51112.22701.08412.49193.82375.45004.68452.53273.11411.8216
H132.23032.76193.98862.22261.08473.10152.59904.67824.56743.11412.51891.8216

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.242 C1 C2 H7 115.604
C1 C4 C5 60.391 C1 C4 H10 117.623
C1 C4 H11 117.437 C1 C5 C4 60.391
C1 C5 H12 117.623 C1 C5 H13 117.437
C2 C1 C4 119.796 C2 C1 C5 119.796
C2 C1 H6 114.824 C2 C3 H8 121.588
C2 C3 H9 121.560 C3 C2 H7 119.153
C4 C1 H6 116.032 C4 C5 H12 118.621
C4 C5 H13 118.189 C5 C1 H6 116.032
C5 C4 H10 118.621 C5 C4 H11 118.189
H8 C3 H9 116.852 H10 C4 H11 114.260
H12 C5 H13 114.260
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.160      
2 C -0.023      
3 C -0.323      
4 C -0.281      
5 C -0.281      
6 H 0.134      
7 H 0.110      
8 H 0.124      
9 H 0.120      
10 H 0.146      
11 H 0.144      
12 H 0.146      
13 H 0.144      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.048 0.551 0.000 0.553
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.897 -0.984 0.000
y -0.984 -30.784 0.000
z 0.000 0.000 -32.993
Traceless
 xyz
x 2.991 -0.984 0.000
y -0.984 0.161 0.000
z 0.000 0.000 -3.152
Polar
3z2-r2-6.304
x2-y21.887
xy-0.984
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.994 0.860 0.000
y 0.860 10.436 0.000
z 0.000 0.000 5.420


<r2> (average value of r2) Å2
<r2> 133.687
(<r2>)1/2 11.562