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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: MP2=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-194.683122
Energy at 298.15K-194.691353
HF Energy-193.958817
Nuclear repulsion energy163.257267
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 MP2=FULL/6-31+G**
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' 3336 3133 13.85      
2 A' 3331 3129 12.18      
3 A' 3240 3043 7.74      
4 A' 3235 3038 3.51      
5 A' 3228 3032 9.93      
6 A' 3210 3015 9.18      
7 A' 1719 1615 24.45      
8 A' 1561 1466 1.25      
9 A' 1509 1417 0.40      
10 A' 1388 1304 1.28      
11 A' 1339 1258 3.30      
12 A' 1267 1190 4.44      
13 A' 1255 1178 1.56      
14 A' 1101 1034 4.34      
15 A' 1031 968 3.56      
16 A' 996 935 42.34      
17 A' 852 801 1.64      
18 A' 795 747 0.49      
19 A' 450 422 1.12      
20 A' 271 255 1.13      
21 A" 3319 3117 0.10      
22 A" 3223 3027 15.24      
23 A" 1518 1426 1.18      
24 A" 1233 1158 0.93      
25 A" 1162 1091 2.60      
26 A" 1106 1039 4.97      
27 A" 1023 961 17.94      
28 A" 948 890 9.13      
29 A" 897 843 49.76      
30 A" 859 807 6.76      
31 A" 682 640 6.95      
32 A" 322 303 1.47      
33 A" 120 113 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 25762.3 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 24196.0 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 MP2=FULL/6-31+G**
ABC
0.50774 0.10216 0.09827

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.390 0.288 0.000
C2 0.257 -1.034 0.000
C3 -0.401 -2.204 0.000
C4 0.257 1.430 0.749
C5 0.257 1.430 -0.749
H6 -1.473 0.272 0.000
H7 1.344 -1.037 0.000
H8 0.127 -3.146 0.000
H9 -1.482 -2.239 0.000
H10 -0.391 2.126 1.262
H11 1.189 1.222 1.256
H12 -0.391 2.126 -1.262
H13 1.189 1.222 -1.256

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47232.49171.51151.51151.08312.18223.47242.75312.22922.22312.22922.2231
C21.47231.34192.57572.57572.16811.08682.11542.11593.46372.74503.46372.7450
C32.49171.34193.76813.76812.69802.09921.07981.08174.50953.97984.50953.9798
C41.51152.57573.76811.49862.21272.79774.63854.12921.08001.08062.22452.2208
C51.51152.57573.76811.49862.21272.79774.63854.12922.22452.22081.08001.0806
H61.08312.16812.69802.21272.21273.10633.77392.51152.48983.09262.48983.0926
H72.18221.08682.09922.79772.79773.10632.43503.07133.82132.58893.82132.5889
H83.47242.11541.07984.63854.63853.77392.43501.84675.44504.66695.44504.6669
H92.75312.11591.08174.12924.12922.51153.07131.84674.67304.54864.67304.5486
H102.22923.46374.50951.08002.22452.48983.82135.44504.67301.81982.52373.1065
H112.22312.74503.97981.08062.22083.09262.58894.66694.54861.81983.10652.5118
H122.22923.46374.50952.22451.08002.48983.82135.44504.67302.52373.10651.8198
H132.22312.74503.97982.22081.08063.09262.58894.66694.54863.10652.51181.8198

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.542 C1 C2 H7 116.212
C1 C4 C5 60.281 C1 C4 H10 117.713
C1 C4 H11 117.132 C1 C5 C4 60.281
C1 C5 H12 117.713 C1 C5 H13 117.132
C2 C1 C4 119.358 C2 C1 C5 119.358
C2 C1 H6 115.247 C2 C3 H8 121.361
C2 C3 H9 121.260 C3 C2 H7 119.245
C4 C1 H6 116.058 C4 C5 H12 118.331
C4 C5 H13 117.957 C5 C1 H6 116.058
C5 C4 H10 118.331 C5 C4 H11 117.957
H8 C3 H9 117.379 H10 C4 H11 114.754
H12 C5 H13 114.754
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability