return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B97D3/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/6-311+G(3df,2p)
 hartrees
Energy at 0K-196.476651
Energy at 298.15K-196.486544
HF Energy-196.476651
Nuclear repulsion energy171.178034
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 B97D3/6-311+G(3df,2p)
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 3079 3039 62.02      
2 A 3058 3018 16.78      
3 A 3049 3010 25.88      
4 A 3042 3003 34.57      
5 A 3038 2998 33.31      
6 A 3012 2973 4.56      
7 A 3000 2961 21.62      
8 A 2969 2930 40.17      
9 A 2959 2921 36.76      
10 A 2951 2913 32.51      
11 A 1678 1656 4.70      
12 A 1479 1460 6.56      
13 A 1469 1450 5.72      
14 A 1467 1448 2.77      
15 A 1454 1435 5.61      
16 A 1453 1434 1.96      
17 A 1406 1387 8.51      
18 A 1379 1361 1.27      
19 A 1373 1355 2.00      
20 A 1305 1288 5.14      
21 A 1274 1257 0.22      
22 A 1253 1236 0.07      
23 A 1147 1132 0.32      
24 A 1066 1052 4.05      
25 A 1036 1022 1.91      
26 A 1028 1014 0.07      
27 A 1002 988 4.08      
28 A 982 969 0.54      
29 A 917 905 12.20      
30 A 847 836 1.11      
31 A 780 770 3.11      
32 A 704 695 34.58      
33 A 560 552 5.28      
34 A 468 462 1.57      
35 A 301 297 0.05      
36 A 254 251 0.03      
37 A 211 209 0.01      
38 A 119 118 0.39      
39 A 42 41 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 29304.1 cm-1
Scaled (by 0.987) Zero Point Vibrational Energy (zpe) 28923.1 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 B97D3/6-311+G(3df,2p)
ABC
0.35756 0.08714 0.07949

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311+G(3df,2p)

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.150 -0.333 -0.423
H2 2.630 0.618 -0.677
H3 2.921 -1.006 -0.032
H4 1.757 -0.764 -1.350
C5 1.021 -0.124 0.601
H6 0.567 -1.089 0.849
H7 1.457 0.260 1.534
C8 -2.034 -0.698 -0.056
H9 -2.469 -0.986 -1.021
H10 -1.396 -1.518 0.282
H11 -2.871 -0.610 0.649
C12 -0.013 0.848 0.111
H13 0.353 1.864 -0.047
C14 -1.299 0.605 -0.175
H15 -1.898 1.442 -0.537

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.09581.09541.09501.53902.16712.15964.21594.70363.80515.14212.52242.86333.58314.4220
H21.09581.77191.76812.18533.08242.52854.88595.35734.65815.79092.76832.67073.96114.6050
H31.09541.77191.77542.18812.51442.48944.96445.48034.35885.84553.47403.85094.51925.4288
H41.09501.76811.77542.18122.52163.07534.00614.24483.62995.04372.80483.25143.54864.3457
C51.53902.18532.18812.18121.09461.09953.17683.94422.80833.92271.50192.19532.55273.5029
H62.16713.08242.51442.52161.09461.75552.78193.56812.08843.47772.15293.09362.72093.7956
H72.15962.52852.48943.07531.09951.75553.95404.84803.58784.50322.12942.50833.26154.1167
C84.21594.88594.96444.00613.17682.78193.95401.09771.09251.09792.54933.50141.50072.1969
H94.70365.35735.48034.24483.94423.56814.84801.09771.77001.75843.26784.12802.14942.5408
H103.80514.65814.35883.62992.80832.08843.58781.09251.77001.77022.74573.82172.17403.1115
H115.14215.79095.84555.04373.92273.47774.50321.09791.75841.77023.25304.12342.15132.5616
C122.52242.76833.47402.80481.50192.15292.12942.54933.26782.74573.25301.09161.33902.0797
H132.86332.67073.85093.25142.19533.09362.50833.50144.12803.82174.12341.09162.08082.3427
C143.58313.96114.51923.54862.55272.72093.26151.50072.14942.17402.15131.33902.08081.0908
H154.42204.60505.42884.34573.50293.79564.11672.19692.54083.11152.56162.07972.34271.0908

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 109.649 C1 C5 H7 108.818
C1 C5 C12 112.135 H2 C1 H3 107.836
H2 C1 H4 107.601 H2 C1 C5 111.039
H3 C1 H4 108.205 H3 C1 C5 111.295
H4 C1 C5 110.720 C5 C12 H13 114.702
C5 C12 C14 127.988 H6 C5 H7 106.200
H6 C5 C12 111.003 H7 C5 C12 108.834
C8 C14 C12 127.697 C8 C14 H15 115.037
H9 C8 H10 107.870 H9 C8 H11 106.539
H9 C8 C14 110.664 H10 C8 H11 107.805
H10 C8 C14 112.971 H11 C8 C14 110.723
C12 C14 H15 117.266 H13 C12 C14 117.295
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.545      
2 H 0.133      
3 H 0.118      
4 H 0.131      
5 C 0.048      
6 H 0.091      
7 H 0.117      
8 C -0.360      
9 H 0.122      
10 H 0.108      
11 H 0.119      
12 C -0.022      
13 H 0.098      
14 C -0.257      
15 H 0.099      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.006 -0.298 0.071 0.306
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.433 0.459 0.910
y 0.459 -33.161 -0.408
z 0.910 -0.408 -34.809
Traceless
 xyz
x 1.552 0.459 0.910
y 0.459 0.460 -0.408
z 0.910 -0.408 -2.012
Polar
3z2-r2-4.024
x2-y20.728
xy0.459
xz0.910
yz-0.408


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 12.734 0.314 0.369
y 0.314 9.046 -0.074
z 0.369 -0.074 8.223


<r2> (average value of r2) Å2
<r2> 164.180
(<r2>)1/2 12.813