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All results from a given calculation for CH2CHCH2CH2CH3 (1-pentene)

using model chemistry: MP2/TZVP

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/TZVP
 hartrees
Energy at 0K-195.947421
Energy at 298.15K-195.957646
HF Energy-195.206072
Nuclear repulsion energy170.427708
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/TZVP
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 3115 14.35      
2 A 3192 3026 4.02      
3 A 3180 3014 23.73      
4 A 3169 3004 31.45      
5 A 3166 3001 46.31      
6 A 3135 2972 17.59      
7 A 3113 2951 3.34      
8 A 3082 2921 41.39      
9 A 3077 2917 22.81      
10 A 3062 2903 14.30      
11 A 1705 1617 7.83      
12 A 1527 1447 6.52      
13 A 1523 1443 6.69      
14 A 1511 1432 1.00      
15 A 1500 1422 3.24      
16 A 1475 1399 0.99      
17 A 1435 1360 2.40      
18 A 1406 1333 0.47      
19 A 1346 1276 0.72      
20 A 1334 1265 0.18      
21 A 1310 1242 2.22      
22 A 1284 1217 0.12      
23 A 1215 1152 0.30      
24 A 1137 1078 0.78      
25 A 1083 1027 1.66      
26 A 1047 992 3.24      
27 A 1014 961 18.77      
28 A 971 920 0.75      
29 A 906 859 4.56      
30 A 892 845 0.14      
31 A 875 830 40.57      
32 A 758 719 1.52      
33 A 637 604 9.62      
34 A 441 418 1.09      
35 A 388 368 0.28      
36 A 250 237 0.01      
37 A 232 220 0.13      
38 A 107 101 0.04      
39 A 101 95 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 30435.2 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 28849.5 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/TZVP
ABC
0.60156 0.07149 0.07038

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.458 -0.243 -0.303
C2 1.407 0.360 0.257
C3 0.071 -0.282 0.459
C4 -1.046 0.446 -0.289
C5 -2.406 -0.211 -0.084
H6 3.399 0.272 -0.444
H7 2.402 -1.272 -0.637
H8 1.500 1.394 0.581
H9 0.114 -1.322 0.124
H10 -0.171 -0.298 1.528
H11 -1.084 1.487 0.045
H12 -0.799 0.465 -1.353
H13 -3.190 0.317 -0.629
H14 -2.392 -1.244 -0.435
H15 -2.677 -0.220 0.973

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.33422.50593.57124.86901.08181.08362.09212.61523.20373.95653.49455.68494.95335.2906
C21.33421.49652.51543.87142.11282.11001.08742.12612.13032.74242.73384.68254.18164.1868
C32.50591.49651.52922.53723.49232.75972.20601.09391.09542.15262.14483.48962.79102.7959
C43.57122.51541.52921.52414.45113.86852.85292.15512.14921.09351.09282.17452.16542.1666
C54.86903.87142.53721.52415.83604.95494.27542.76242.75732.15622.15621.09051.09131.0915
H61.08182.11283.49234.45115.83601.84792.43163.69484.11754.66964.29956.59155.98546.2577
H71.08362.11002.75973.86854.95491.84793.06662.41153.50074.49743.71205.81354.79795.4306
H82.09211.08742.20602.85294.27542.43163.06663.08352.55962.64043.14484.96224.81024.4951
H92.61522.12611.09392.15512.76243.69482.41153.08351.76133.05492.49193.76442.56843.1184
H103.20372.13031.09542.14922.75734.11753.50072.55961.76132.49313.04543.76073.11112.5675
H113.95652.74242.15261.09352.15624.66964.49742.64043.05492.49311.75492.50233.06612.5126
H123.49452.73382.14481.09282.15624.29953.71203.14482.49193.04541.75492.50272.51003.0668
H135.68494.68253.48962.17451.09056.59155.81354.96223.76443.76072.50232.50271.76411.7657
H144.95334.18162.79102.16541.09135.98544.79794.81022.56843.11113.06612.51001.76411.7643
H155.29064.18682.79592.16661.09156.25775.43064.49513.11842.56752.51263.06681.76571.7643

picture of 1-pentene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.466 C1 C2 H8 119.173
C2 C1 H6 121.625 C2 C1 H7 121.207
C2 C3 C4 112.466 C2 C3 H9 109.340
C2 C3 H10 109.582 C3 C2 H8 116.352
C3 C4 C5 112.393 C3 C4 H11 109.194
C3 C4 H12 108.627 C4 C3 H9 109.366
C4 C3 H10 108.816 C4 C5 H13 111.457
C4 C5 H14 110.681 C4 C5 H15 110.768
C5 C4 H11 109.821 C5 C4 H12 109.865
H6 C1 H7 117.168 H9 C3 H10 107.124
H11 C4 H12 106.774 H13 C5 H14 107.903
H13 C5 H15 108.038 H14 C5 H15 107.857
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability