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

using model chemistry: MP2=FULL/3-21G*

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=FULL/3-21G*
 hartrees
Energy at 0K-194.510540
Energy at 298.15K-194.521415
Nuclear repulsion energy183.102318
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/3-21G*
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 3190 3024 6.58      
2 A 3145 2981 33.00      
3 A 3069 2909 22.27      
4 A 1607 1524 3.45      
5 A 1572 1490 2.27      
6 A 1499 1421 0.05      
7 A 1366 1295 0.82      
8 A 1127 1068 20.41      
9 A 1093 1036 0.33      
10 A 927 878 10.14      
11 A 665 630 1.75      
12 A 363 344 0.00      
13 A 3271 3101 0.00      
14 A 3136 2973 0.00      
15 A 1585 1502 0.00      
16 A 1226 1163 0.00      
17 A 1123 1064 0.00      
18 A 947 898 0.00      
19 A 343 325 0.00      
20 A 230 218 0.00      
21 A 3184 3019 12.39      
22 A 3139 2975 48.28      
23 A 1600 1517 5.96      
24 A 1554 1474 3.76      
25 A 1232 1168 7.17      
26 A 1138 1079 1.24      
27 A 837 794 5.56      
28 A 398 377 1.97      
29 A 247 234 0.03      
30 A 3286 3115 15.82      
31 A 3142 2979 12.52      
32 A 3066 2907 25.42      
33 A 1597 1514 5.16      
34 A 1485 1408 8.49      
35 A 1352 1281 1.93      
36 A 1032 979 0.27      
37 A 968 918 1.05      
38 A 821 778 0.02      
39 A 363 344 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 30961.3 cm-1
Scaled (by 0.948) 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=FULL/3-21G*
ABC
0.20202 0.17033 0.12534

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.156
C2 0.770 0.000 -1.164
C3 -0.770 0.000 -1.164
C4 0.000 1.284 0.978
C5 0.000 -1.284 0.978
H6 1.274 0.915 -1.455
H7 1.274 -0.915 -1.455
H8 -1.274 -0.915 -1.455
H9 -1.274 0.915 -1.455
H10 -0.891 1.327 1.617
H11 -0.891 -1.327 1.617
H12 0.891 -1.327 1.617
H13 0.891 1.327 1.617
H14 0.000 2.163 0.323
H15 0.000 -2.163 0.323

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52821.52821.52441.52442.24862.24862.24862.24862.16512.16512.16512.16512.16962.1696
C21.52821.53922.61312.61311.08441.08442.25812.25813.50003.50003.08363.08362.73532.7353
C31.52821.53922.61312.61312.25812.25811.08441.08443.08363.08363.50003.50002.73532.7353
C41.52442.61312.61312.56832.77093.51803.51802.77091.09682.83232.83231.09681.09633.5090
C51.52442.61312.61312.56833.51802.77092.77093.51802.83231.09681.09682.83233.50901.0963
H62.24861.08442.25812.77093.51801.82933.13732.54883.78034.37583.82203.12272.51843.7757
H72.24861.08442.25813.51802.77091.82932.54883.13734.37583.78033.12273.82203.77572.5184
H82.24862.25811.08443.51802.77093.13732.54881.82933.82203.12273.78034.37583.77572.5184
H92.24862.25811.08442.77093.51802.54883.13731.82933.12273.82204.37583.78032.51843.7757
H102.16513.50003.08361.09682.83233.78034.37583.82203.12272.65493.19701.78111.77933.8278
H112.16513.50003.08362.83231.09684.37583.78033.12273.82202.65491.78113.19703.82781.7793
H122.16513.08363.50002.83231.09683.82203.12273.78034.37583.19701.78112.65493.82781.7793
H132.16513.08363.50001.09682.83233.12273.82204.37583.78031.78113.19702.65491.77933.8278
H142.16962.73532.73531.09633.50902.51843.77573.77572.51841.77933.82783.82781.77934.3263
H152.16962.73532.73533.50901.09633.77572.51842.51843.77573.82781.77931.77933.82784.3263

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 59.761 C1 C2 H6 117.781
C1 C2 H7 117.781 C1 C3 C2 59.761
C1 C3 H8 117.781 C1 C3 H9 117.781
C1 C4 H10 110.311 C1 C4 H13 110.311
C1 C4 H14 110.697 C1 C5 H11 110.311
C1 C5 H12 110.311 C1 C5 H15 110.697
C2 C1 C3 60.477 C2 C1 C4 117.746
C2 C1 C5 117.746 C2 C3 H8 117.743
C2 C3 H9 117.743 C3 C1 C4 117.746
C3 C1 C5 117.746 C3 C2 H6 117.743
C3 C2 H7 117.743 C4 C1 C5 114.787
H6 C2 H7 115.011 H8 C3 H9 115.011
H10 C4 H13 108.569 H10 C4 H14 108.444
H11 C5 H12 108.569 H11 C5 H15 108.444
H12 C5 H15 108.444 H13 C4 H14 108.444
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability