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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: mPW1PW91/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-195.263289
Energy at 298.15K-195.271471
HF Energy-195.263289
Nuclear repulsion energy163.400668
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(2df,p)
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' 3262 3115 21.67      
2 A' 3262 3114 4.73      
3 A' 3185 3041 9.64      
4 A' 3174 3030 2.77      
5 A' 3167 3024 11.77      
6 A' 3152 3009 9.27      
7 A' 1734 1655 29.06      
8 A' 1511 1442 1.16      
9 A' 1470 1403 0.33      
10 A' 1367 1305 0.86      
11 A' 1319 1259 2.79      
12 A' 1242 1186 3.80      
13 A' 1235 1179 1.51      
14 A' 1064 1016 1.53      
15 A' 1006 960 3.96      
16 A' 987 942 36.48      
17 A' 833 795 0.76      
18 A' 772 737 0.11      
19 A' 445 425 1.04      
20 A' 264 252 1.28      
21 A" 3247 3100 0.07      
22 A" 3162 3019 18.57      
23 A" 1468 1402 1.57      
24 A" 1202 1147 0.52      
25 A" 1137 1085 1.82      
26 A" 1078 1029 4.99      
27 A" 1037 990 5.67      
28 A" 936 894 1.07      
29 A" 927 885 44.20      
30 A" 839 801 4.52      
31 A" 687 656 4.78      
32 A" 312 298 0.80      
33 A" 126 121 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 25303.1 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 24156.8 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(2df,p)
ABC
0.51031 0.10223 0.09831

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.390 0.286 0.000
C2 0.252 -1.037 0.000
C3 -0.386 -2.202 0.000
C4 0.252 1.431 0.747
C5 0.252 1.431 -0.747
H6 -1.475 0.266 0.000
H7 1.342 -1.027 0.000
H8 0.150 -3.144 0.000
H9 -1.470 -2.257 0.000
H10 -0.401 2.122 1.265
H11 1.187 1.232 1.258
H12 -0.401 2.122 -1.265
H13 1.187 1.232 -1.258

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47032.48801.51111.51111.08512.17333.47172.76272.23032.22822.23032.2282
C21.47031.32882.57872.57872.16381.08972.10942.11073.46522.75733.46522.7573
C32.48801.32883.76423.76422.69822.08981.08331.08534.50593.98124.50593.9812
C41.51112.57873.76421.49372.21352.79064.63684.13881.08311.08372.22562.2208
C51.51112.57873.76421.49372.21352.79064.63684.13882.22562.22081.08311.0837
H61.08512.16382.69822.21352.21353.09963.77742.52352.48993.09862.48993.0986
H72.17331.08972.08982.79062.79063.09962.42943.06923.81522.59003.81522.5900
H83.47172.10941.08334.63684.63683.77742.42941.84665.44384.66945.44384.6694
H92.76272.11071.08534.13884.13882.52353.06921.84664.68224.56234.68224.5623
H102.23033.46524.50591.08312.22562.48993.81525.44384.68221.82052.53073.1114
H112.22822.75733.98121.08372.22083.09862.59004.66944.56231.82053.11142.5158
H122.23033.46524.50592.22561.08312.48993.81525.44384.68222.53073.11141.8205
H132.22822.75733.98122.22081.08373.09862.59004.66944.56233.11142.51581.8205

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.387 C1 C2 H7 115.387
C1 C4 C5 60.380 C1 C4 H10 117.625
C1 C4 H11 117.403 C1 C5 C4 60.380
C1 C5 H12 117.625 C1 C5 H13 117.403
C2 C1 C4 119.746 C2 C1 C5 119.746
C2 C1 H6 114.883 C2 C3 H8 121.646
C2 C3 H9 121.603 C3 C2 H7 119.227
C4 C1 H6 116.027 C4 C5 H12 118.605
C4 C5 H13 118.138 C5 C1 H6 116.027
C5 C4 H10 118.605 C5 C4 H11 118.138
H8 C3 H9 116.751 H10 C4 H11 114.323
H12 C5 H13 114.323
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.061      
2 C 0.008      
3 C -0.401      
4 C -0.316      
5 C -0.316      
6 H 0.120      
7 H 0.115      
8 H 0.138      
9 H 0.130      
10 H 0.147      
11 H 0.146      
12 H 0.147      
13 H 0.146      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.038 0.556 0.000 0.557
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.918 -0.993 0.000
y -0.993 -30.884 0.000
z 0.000 0.000 -32.865
Traceless
 xyz
x 2.956 -0.993 0.000
y -0.993 0.008 0.000
z 0.000 0.000 -2.964
Polar
3z2-r2-5.928
x2-y21.966
xy-0.993
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.114 0.856 0.000
y 0.856 10.645 0.000
z 0.000 0.000 5.825


<r2> (average value of r2) Å2
<r2> 133.379
(<r2>)1/2 11.549