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

using model chemistry: MP2/CEP-121G*

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-121G*
 hartrees
Energy at 0K-33.907008
Energy at 298.15K-33.917795
HF Energy-33.239954
Nuclear repulsion energy103.039365
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-121G*
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 3264 3110 28.44      
2 A 3251 3098 0.00      
3 A 3159 3010 19.96      
4 A 3153 3004 23.56      
5 A 3149 3001 34.86      
6 A 3148 2999 18.18      
7 A 3134 2986 63.46      
8 A 3131 2983 6.24      
9 A 3045 2902 39.93      
10 A 3042 2898 38.79      
11 A 1551 1478 0.21      
12 A 1537 1465 7.79      
13 A 1536 1464 7.62      
14 A 1529 1457 5.87      
15 A 1516 1444 0.00      
16 A 1494 1424 4.29      
17 A 1453 1384 0.04      
18 A 1444 1376 9.42      
19 A 1382 1317 0.61      
20 A 1347 1284 0.16      
21 A 1200 1144 0.00      
22 A 1173 1118 2.67      
23 A 1094 1043 0.18      
24 A 1082 1031 0.00      
25 A 1066 1015 1.74      
26 A 1057 1007 15.38      
27 A 984 937 0.45      
28 A 969 924 0.19      
29 A 960 915 11.93      
30 A 914 871 0.00      
31 A 877 836 8.76      
32 A 794 756 0.09      
33 A 690 657 1.72      
34 A 391 372 1.08      
35 A 356 339 0.98      
36 A 352 335 0.08      
37 A 336 320 0.00      
38 A 249 237 0.01      
39 A 215 205 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 30510.8 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 29070.7 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-121G*
ABC
0.20266 0.17194 0.12605

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.139 -0.000 0.000
C2 -1.170 -0.002 -0.766
C3 -1.170 -0.002 0.766
C4 0.956 1.284 -0.000
C5 0.961 -1.281 0.000
H6 -1.472 0.915 -1.267
H7 -1.470 -0.920 -1.267
H8 -1.470 -0.919 1.267
H9 -1.472 0.915 1.267
H10 1.598 1.336 0.890
H11 1.603 -1.330 0.889
H12 1.600 1.334 -0.888
H13 0.303 2.164 -0.002
H14 0.312 -2.164 -0.001
H15 1.604 -1.329 -0.889

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.51661.51661.52161.52162.24462.24482.24472.24462.16862.16852.16862.17042.17062.1685
C21.51661.53222.59982.60041.08761.08752.25062.25093.49123.49173.07732.72882.73003.0772
C31.51661.53222.59982.60052.25082.25071.08751.08763.07623.07703.49172.72972.73083.4919
C41.52162.59982.59982.56432.76353.51333.51332.76351.09802.83551.09811.09603.50712.8349
C51.52162.60042.60052.56433.51352.76482.76493.51362.83571.09782.83453.50691.09611.0980
H62.24461.08762.25082.76353.51351.83423.12842.53463.77514.37543.12322.51283.77643.8260
H72.24481.08752.25073.51332.76481.83422.53413.12854.37553.77623.82673.77542.51483.1237
H82.24472.25061.08753.51332.76493.12842.53411.83423.82583.12324.37563.77642.51603.7766
H92.24462.25091.08762.76353.51362.53463.12851.83423.12133.82603.77582.51453.77734.3755
H102.16863.49123.07621.09802.83573.77514.37553.82583.12132.66561.77781.77653.83313.2038
H112.16853.49173.07702.83551.09784.37543.77623.12323.82602.66563.20263.83291.77631.7778
H122.16863.07733.49171.09812.83453.12323.82674.37563.77581.77783.20261.77623.83172.6635
H132.17042.72882.72971.09603.50692.51283.77543.77642.51451.77653.83291.77624.32783.8317
H142.17062.73002.73083.50711.09613.77642.51482.51603.77733.83311.77633.83174.32781.7759
H152.16853.07723.49192.83491.09803.82603.12373.77664.37553.20381.77782.66353.83171.7759

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 59.658 C1 C2 H6 118.132
C1 C2 H7 118.150 C1 C3 C2 59.658
C1 C3 H8 118.147 C1 C3 H9 118.133
C1 C4 H10 110.710 C1 C4 H13 110.976
C1 C4 H14 21.887 C1 C5 H11 110.719
C1 C5 H12 49.109 C1 C5 H15 110.705
C2 C1 C3 60.684 C2 C1 C4 117.672
C2 C1 C5 117.716 C2 C3 H8 117.424
C2 C3 H9 117.442 C3 C1 C4 117.671
C3 C1 C5 117.723 C3 C2 H6 117.437
C3 C2 H7 117.428 C4 C1 C5 114.831
H6 C2 H7 114.975 H8 C3 H9 114.976
H10 C4 H13 108.134 H10 C4 H14 98.867
H11 C5 H12 99.408 H11 C5 H15 108.127
H12 C5 H15 69.836 H13 C4 H14 132.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability