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All results from a given calculation for C5H10 (Cyclopropane, 1,1-dimethyl-)

using model chemistry: MP2/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/CEP-31G
 hartrees
Energy at 0K-33.544785
Energy at 298.15K-33.555456
HF Energy-33.132151
Nuclear repulsion energy100.927095
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/CEP-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 3251 3142 57.77      
2 A 3235 3126 0.00      
3 A 3139 3033 20.65      
4 A 3130 3025 34.98      
5 A 3123 3018 70.15      
6 A 3119 3014 28.43      
7 A 3113 3008 112.06      
8 A 3109 3004 0.00      
9 A 3014 2912 50.09      
10 A 3012 2910 55.89      
11 A 1541 1489 0.25      
12 A 1529 1477 8.07      
13 A 1528 1476 8.10      
14 A 1519 1468 6.03      
15 A 1513 1462 0.00      
16 A 1499 1448 4.07      
17 A 1455 1406 0.37      
18 A 1443 1394 9.24      
19 A 1377 1331 1.73      
20 A 1344 1298 2.13      
21 A 1199 1159 0.00      
22 A 1187 1147 10.84      
23 A 1124 1086 17.58      
24 A 1116 1078 2.51      
25 A 1091 1054 0.00      
26 A 1084 1048 0.17      
27 A 995 961 0.69      
28 A 964 932 0.94      
29 A 933 902 14.97      
30 A 927 896 0.00      
31 A 836 808 11.19      
32 A 818 790 0.29      
33 A 661 639 3.06      
34 A 393 380 1.97      
35 A 356 344 0.80      
36 A 347 335 0.03      
37 A 323 312 0.00      
38 A 215 207 0.02      
39 A 190 183 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30374.9 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 29351.3 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 MP2/CEP-31G
ABC
0.19511 0.16324 0.12061

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.157 -0.000 -0.000
C2 -1.188 -0.000 0.787
C3 -1.188 0.000 -0.787
C4 0.999 -1.305 -0.000
C5 0.999 1.305 0.000
H6 -1.493 -0.928 1.297
H7 -1.493 0.927 1.298
H8 -1.493 0.928 -1.297
H9 -1.493 -0.928 -1.298
H10 1.651 -1.345 -0.902
H11 1.650 1.346 -0.902
H12 1.650 -1.346 0.902
H13 0.346 -2.205 -0.001
H14 0.346 2.205 0.001
H15 1.651 1.346 0.902

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.55861.55861.55341.55342.29472.29482.29482.29482.20352.20342.20342.21302.21302.2035
C21.55861.57482.66612.66611.10191.10192.30242.30253.56703.56673.14302.79942.79903.1438
C31.55861.57482.66622.66602.30242.30251.10191.10193.14393.14303.56682.79912.79933.5669
C41.55342.66612.66622.61022.83473.58893.58902.83501.11322.87521.11321.11183.57032.8746
C51.55342.66612.66602.61023.58892.83492.83473.58892.87451.11322.87523.57031.11181.1132
H62.29471.10192.30242.83473.58891.85583.19052.59533.85914.45953.19462.58793.85723.8996
H72.29481.10192.30253.58892.83491.85582.59543.19064.45953.85903.89893.85762.58753.1958
H82.29482.30241.10193.58902.83473.19052.59541.85583.89973.19464.45953.85732.58783.8590
H92.29482.30251.10192.83503.58892.59533.19061.85583.19603.89903.85902.58763.85754.4595
H102.20353.56703.14391.11322.87453.85914.45953.89973.19602.69151.80431.80353.88863.2393
H112.20343.56673.14302.87521.11324.45953.85903.19463.89902.69153.24133.88871.80351.8043
H122.20343.14303.56681.11322.87523.19463.89894.45953.85901.80433.24131.80353.88872.6916
H132.21302.79942.79911.11183.57032.58793.85763.85732.58761.80353.88871.80354.40983.8887
H142.21302.79902.79933.57031.11183.85722.58752.58783.85753.88861.80353.88874.40981.8035
H152.20353.14383.56692.87461.11323.89963.19583.85904.45953.23931.80432.69163.88871.8035

picture of Cyclopropane, 1,1-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 59.655 C1 C2 H6 118.191
C1 C2 H7 118.200 C1 C3 C2 59.656
C1 C3 H8 118.193 C1 C3 H9 118.200
C1 C4 H10 110.355 C1 C4 H13 111.184
C1 C4 H14 22.300 C1 C5 H11 110.352
C1 C5 H12 49.303 C1 C5 H15 110.355
C2 C1 C3 60.689 C2 C1 C4 117.904
C2 C1 C5 117.906 C2 C3 H8 117.585
C2 C3 H9 117.590 C3 C1 C4 117.911
C3 C1 C5 117.900 C3 C2 H6 117.582
C3 C2 H7 117.594 C4 C1 C5 114.319
H6 C2 H7 114.726 H8 C3 H9 114.725
H10 C4 H13 108.298 H10 C4 H14 98.211
H11 C5 H12 98.988 H11 C5 H15 108.262
H12 C5 H15 69.313 H13 C4 H14 133.484
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability