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All results from a given calculation for C5H8 (Ethenylcyclopropane)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-194.649788
Energy at 298.15K-194.657967
HF Energy-193.972678
Nuclear repulsion energy162.804668
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 MP2/6-311G*
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' 3281 3118 17.89      
2 A' 3279 3116 11.76      
3 A' 3194 3036 8.64      
4 A' 3182 3024 2.59      
5 A' 3179 3021 10.30      
6 A' 3163 3006 9.22      
7 A' 1702 1617 19.83      
8 A' 1540 1463 2.18      
9 A' 1489 1415 0.36      
10 A' 1374 1306 0.43      
11 A' 1330 1264 3.07      
12 A' 1256 1194 3.13      
13 A' 1242 1180 2.07      
14 A' 1074 1021 5.82      
15 A' 1023 972 4.93      
16 A' 986 937 38.34      
17 A' 842 800 1.37      
18 A' 786 747 0.32      
19 A' 449 427 1.19      
20 A' 270 256 1.05      
21 A" 3267 3105 0.09      
22 A" 3174 3016 15.44      
23 A" 1499 1425 3.54      
24 A" 1220 1159 0.83      
25 A" 1142 1085 3.64      
26 A" 1078 1024 6.45      
27 A" 1009 958 14.72      
28 A" 934 888 9.08      
29 A" 877 834 49.97      
30 A" 850 807 5.88      
31 A" 677 643 6.66      
32 A" 315 300 1.66      
33 A" 119 114 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 25399.2 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 24136.8 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 MP2/6-311G*
ABC
0.50438 0.10168 0.09781

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.392 0.287 0.000
C2 0.258 -1.038 0.000
C3 -0.399 -2.208 0.000
C4 0.258 1.434 0.752
C5 0.258 1.434 -0.752
H6 -1.480 0.275 0.000
H7 1.349 -1.040 0.000
H8 0.132 -3.153 0.000
H9 -1.485 -2.248 0.000
H10 -0.395 2.130 1.266
H11 1.193 1.225 1.260
H12 -0.395 2.130 -1.266
H13 1.193 1.225 -1.260

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47572.49491.51721.51721.08732.18933.48012.76012.23612.23122.23612.2312
C21.47571.34162.58332.58332.17741.09152.11922.12103.47352.75323.47352.7532
C32.49491.34163.77573.77572.70762.10241.08441.08614.51903.98774.51903.9877
C41.51722.58333.77571.50332.21922.80624.64994.14161.08411.08472.23212.2283
C51.51722.58333.77571.50332.21922.80624.64994.14162.23212.22831.08411.0847
H61.08732.17742.70762.21922.21923.11923.78802.52272.49443.10322.49443.1032
H72.18931.09152.10242.80622.80623.11922.43903.08033.83322.59613.83322.5961
H83.48012.11921.08444.64994.64993.78802.43901.85265.45864.67755.45864.6775
H92.76012.12101.08614.14164.14162.52273.08031.85264.68594.56194.68594.5619
H102.23613.47354.51901.08412.23212.49443.83325.45864.68591.82752.53233.1180
H112.23122.75323.98771.08472.22833.10322.59614.67754.56191.82753.11802.5203
H122.23613.47354.51902.23211.08412.49443.83325.45864.68592.53233.11801.8275
H132.23122.75323.98772.22831.08473.10322.59614.67754.56193.11802.52031.8275

picture of Ethenylcyclopropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.566 C1 C2 H7 116.234
C1 C4 C5 60.302 C1 C4 H10 117.580
C1 C4 H11 117.110 C1 C5 C4 60.302
C1 C5 H12 117.580 C1 C5 H13 117.110
C2 C1 C4 119.333 C2 C1 C5 119.333
C2 C1 H6 115.487 C2 C3 H8 121.385
C2 C3 H9 121.417 C3 C2 H7 119.200
C4 C1 H6 115.895 C4 C5 H12 118.332
C4 C5 H13 117.957 C5 C1 H6 115.895
C5 C4 H10 118.332 C5 C4 H11 117.957
H8 C3 H9 117.198 H10 C4 H11 114.837
H12 C5 H13 114.837
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability