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All results from a given calculation for C5H10 (2-Pentene, (Z)-)

using model chemistry: MP2/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-196.072086
Energy at 298.15K-196.082127
HF Energy-195.212293
Nuclear repulsion energy172.190737
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/cc-pVTZ
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 3195 3034 41.24      
2 A 3179 3018 4.93      
3 A 3167 3007 31.82      
4 A 3163 3003 17.98      
5 A 3160 3000 12.59      
6 A 3136 2978 12.78      
7 A 3135 2977 3.73      
8 A 3077 2922 23.02      
9 A 3071 2916 20.22      
10 A 3070 2915 26.34      
11 A 1721 1634 2.58      
12 A 1521 1444 6.72      
13 A 1514 1437 6.63      
14 A 1511 1435 3.43      
15 A 1499 1424 5.53      
16 A 1494 1419 1.42      
17 A 1443 1370 6.86      
18 A 1409 1338 2.21      
19 A 1405 1334 1.92      
20 A 1336 1269 3.41      
21 A 1305 1239 0.07      
22 A 1280 1216 0.03      
23 A 1177 1118 0.29      
24 A 1100 1044 3.98      
25 A 1066 1012 1.84      
26 A 1054 1001 0.22      
27 A 1052 999 2.04      
28 A 1005 954 0.29      
29 A 951 903 9.75      
30 A 876 832 1.03      
31 A 796 756 2.58      
32 A 731 694 34.06      
33 A 562 534 4.93      
34 A 478 454 1.42      
35 A 311 296 0.05      
36 A 258 245 0.02      
37 A 226 214 0.01      
38 A 124 118 0.31      
39 A 44 42 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 30301.0 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 28770.8 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/cc-pVTZ
ABC
0.35205 0.08937 0.08129

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.155 -0.299 -0.417
H2 2.637 0.665 -0.577
H3 2.910 -0.998 -0.060
H4 1.788 -0.652 -1.380
C5 1.006 -0.172 0.583
H6 0.544 -1.146 0.738
H7 1.407 0.145 1.548
C8 -2.034 -0.685 -0.074
H9 -2.463 -0.940 -1.043
H10 -1.397 -1.508 0.241
H11 -2.861 -0.609 0.632
C12 -0.007 0.832 0.128
H13 0.372 1.842 0.006
C14 -1.295 0.614 -0.157
H15 -1.886 1.463 -0.486

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.08951.08911.08891.52802.15562.14914.22054.70443.80915.13422.49982.81843.57854.4088
H21.08951.76281.76032.16913.06422.51024.88825.36734.65435.77222.74162.61883.95524.5940
H31.08911.76281.76612.17222.50112.48004.95355.46264.34705.82553.44823.80974.50475.4071
H41.08891.76031.76612.16622.50543.05824.03914.27463.67455.06632.77453.18563.55074.3324
C51.52802.16912.17222.16621.08911.09243.15243.90792.77093.89261.49682.18912.54213.4900
H62.15563.06422.50112.50541.08911.75112.74173.50142.03613.44912.14153.08122.69853.7693
H72.14912.51022.48003.05821.09241.75113.89384.78263.50784.43042.11852.51643.22974.0893
C84.22054.88824.95354.03913.15242.74173.89381.09031.08701.09042.54003.49051.49722.1921
H94.70445.36735.46264.27463.90793.50144.78261.09031.76291.75333.24754.10872.13692.5329
H103.80914.65434.34703.67452.77092.03613.50781.08701.76291.76272.72393.79592.16173.0971
H115.13425.77225.82555.06633.89263.44914.43041.09041.75331.76273.23694.10532.13802.5479
C122.49982.74163.44822.77451.49682.14152.11852.54003.24752.72393.23691.08611.33742.0754
H132.81842.61883.80973.18562.18913.08122.51643.49054.10873.79594.10531.08612.07702.3421
C143.57853.95524.50473.55072.54212.69853.22971.49722.13692.16172.13801.33742.07701.0849
H154.40884.59405.40714.33243.49003.76934.08932.19212.53293.09712.54792.07542.34211.0849

picture of 2-Pentene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 109.764 C1 C5 H7 109.063
C1 C5 C12 111.465 H2 C1 H3 108.017
H2 C1 H4 107.815 H2 C1 C5 110.810
H3 C1 H4 108.369 H3 C1 C5 111.088
H4 C1 C5 110.623 C5 C12 H13 114.965
C5 C12 C14 127.431 H6 C5 H7 106.779
H6 C5 C12 110.829 H7 C5 C12 108.808
C8 C14 C12 127.198 C8 C14 H15 115.265
H9 C8 H10 108.128 H9 C8 H11 107.034
H9 C8 C14 110.361 H10 C8 H11 108.104
H10 C8 C14 112.580 H11 C8 C14 110.438
C12 C14 H15 117.537 H13 C12 C14 117.595
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability