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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-33.842974
Energy at 298.15K-33.853668
HF Energy-33.223623
Nuclear repulsion energy102.384242
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 3286 3119 30.19      
2 A 3270 3105 0.00      
3 A 3177 3016 40.55      
4 A 3173 3013 18.13      
5 A 3172 3011 17.33      
6 A 3171 3010 24.53      
7 A 3163 3003 69.98      
8 A 3160 3000 0.01      
9 A 3069 2914 39.41      
10 A 3068 2913 41.25      
11 A 1564 1485 0.99      
12 A 1526 1449 8.22      
13 A 1526 1448 8.11      
14 A 1514 1437 4.89      
15 A 1508 1432 0.00      
16 A 1490 1414 3.94      
17 A 1452 1379 0.12      
18 A 1447 1374 9.03      
19 A 1390 1320 1.30      
20 A 1348 1280 0.45      
21 A 1181 1122 0.00      
22 A 1177 1118 8.79      
23 A 1097 1042 0.97      
24 A 1078 1023 0.00      
25 A 1061 1007 13.74      
26 A 1054 1000 2.60      
27 A 986 936 1.40      
28 A 969 920 0.52      
29 A 967 918 15.79      
30 A 892 847 0.00      
31 A 880 835 9.01      
32 A 794 753 0.20      
33 A 691 656 2.57      
34 A 385 365 1.75      
35 A 347 330 0.03      
36 A 346 328 0.87      
37 A 328 311 0.00      
38 A 236 224 0.05      
39 A 210 199 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30574.2 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 29027.2 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
0.20039 0.16975 0.12470

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 0.153 -0.000 -0.000
C2 -1.163 -0.001 0.772
C3 -1.163 -0.000 -0.772
C4 0.979 -1.287 -0.000
C5 0.978 1.288 0.000
H6 -1.465 -0.926 1.277
H7 -1.466 0.924 1.278
H8 -1.466 0.925 -1.277
H9 -1.466 -0.925 -1.277
H10 1.627 -1.331 -0.896
H11 1.624 1.334 -0.897
H12 1.625 -1.333 0.897
H13 0.328 -2.181 -0.001
H14 0.326 2.181 0.001
H15 1.626 1.333 0.896

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52581.52581.52931.52932.25982.26012.25972.26002.17882.17872.17862.18762.18762.1787
C21.52581.54452.61482.61481.09641.09642.26872.26883.51223.51183.09212.75202.75153.0932
C31.52581.54452.61512.61472.26862.26881.09641.09643.09363.09233.51192.75172.75163.5120
C41.52932.61482.61512.57562.78073.53533.53542.78151.10662.84451.10661.10483.52902.8438
C51.52932.61482.61472.57563.53532.78122.78043.53532.84381.10662.84453.52901.10481.1066
H62.25981.09642.26862.78073.53531.85003.15362.55403.80064.40163.14002.53443.80643.8471
H72.26011.09642.26883.53532.78121.85002.55423.15374.40193.80063.84603.80692.53413.1418
H82.25972.26871.09643.53542.78043.15362.55421.84993.84733.14004.40153.80662.53393.8003
H92.26002.26881.09642.78153.53532.55403.15371.84993.14253.84633.80082.53443.80674.4018
H102.17883.51223.09361.10662.84383.80064.40193.84733.14252.66521.79251.79103.85123.2106
H112.17873.51183.09232.84451.10664.40163.80063.14003.84632.66523.21323.85121.79101.7925
H122.17863.09213.51191.10662.84453.14003.84604.40153.80081.79253.21321.79113.85122.6652
H132.18762.75202.75171.10483.52902.53443.80693.80662.53441.79103.85121.79114.36133.8512
H142.18762.75152.75163.52901.10483.80642.53412.53393.80673.85121.79103.85124.36131.7910
H152.17873.09323.51202.84381.10663.84713.14183.80034.40183.21061.79252.66523.85121.7910

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 59.593 C1 C2 H6 118.107
C1 C2 H7 118.132 C1 C3 C2 59.594
C1 C3 H8 118.105 C1 C3 H9 118.131
C1 C4 H10 110.472 C1 C4 H13 111.280
C1 C4 H14 22.012 C1 C5 H11 110.464
C1 C5 H12 49.210 C1 C5 H15 110.470
C2 C1 C3 60.813 C2 C1 C4 117.716
C2 C1 C5 117.717 C2 C3 H8 117.410
C2 C3 H9 117.418 C3 C1 C4 117.735
C3 C1 C5 117.706 C3 C2 H6 117.402
C3 C2 H7 117.423 C4 C1 C5 114.727
H6 C2 H7 115.050 H8 C3 H9 115.049
H10 C4 H13 108.173 H10 C4 H14 98.490
H11 C5 H12 99.220 H11 C5 H15 108.173
H12 C5 H15 69.426 H13 C4 H14 133.292
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability