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: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-195.344388
Energy at 298.15K-195.354335
HF Energy-195.344388
Nuclear repulsion energy 
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 B97D3/3-21G
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 3103 3050 73.42      
2 A 3084 3032 13.29      
3 A 3079 3027 38.28      
4 A 3069 3017 17.52      
5 A 3062 3010 20.61      
6 A 3046 2994 3.51      
7 A 3021 2970 25.84      
8 A 2992 2941 28.43      
9 A 2989 2938 31.55      
10 A 2979 2929 32.22      
11 A 1690 1661 1.11      
12 A 1544 1518 10.15      
13 A 1536 1510 4.02      
14 A 1535 1508 5.58      
15 A 1525 1499 6.91      
16 A 1515 1489 1.71      
17 A 1442 1417 6.49      
18 A 1431 1406 5.48      
19 A 1420 1396 2.30      
20 A 1340 1318 1.67      
21 A 1314 1292 0.88      
22 A 1294 1272 0.35      
23 A 1170 1150 1.98      
24 A 1096 1077 5.60      
25 A 1075 1057 0.04      
26 A 1061 1043 0.86      
27 A 991 974 0.37      
28 A 984 967 5.19      
29 A 917 902 11.48      
30 A 851 837 1.88      
31 A 798 784 3.42      
32 A 716 704 43.54      
33 A 567 558 7.32      
34 A 481 473 2.64      
35 A 320 315 0.11      
36 A 253 249 0.04      
37 A 217 213 0.02      
38 A 117 115 0.43      
39 A 29 28 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 29825.7 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 29318.6 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 B97D3/3-21G
ABC
0.33513 0.08936 0.08108

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.096 -0.393 -0.443
H2 2.564 0.529 -0.819
H3 2.882 -1.043 -0.030
H4 1.615 -0.906 -1.288
C5 1.032 -0.055 0.641
H6 0.572 -0.984 1.004
H7 1.536 0.422 1.499
C8 -1.994 -0.727 -0.020
H9 -2.357 -1.111 -0.989
H10 -1.336 -1.484 0.424
H11 -2.876 -0.608 0.632
C12 -0.014 0.889 0.086
H13 0.352 1.899 -0.124
C14 -1.292 0.601 -0.210
H15 -1.915 1.393 -0.636

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 C8 H9 H10 H11 C12 H13 C14 H15
C11.10071.10071.09941.55602.18272.17954.12524.54323.70365.09062.52462.89753.53804.3946
H21.10071.78711.78292.19583.09572.53884.79545.19034.56165.74382.75622.69353.90474.5656
H31.10071.78711.79102.20292.53242.51014.88725.32724.26605.81263.48363.88174.49015.4146
H41.09941.78291.79102.18832.52023.08903.83003.98903.46064.89352.78653.28893.44734.2629
C51.55602.19582.20292.18831.09871.10353.16993.90642.77453.94651.51392.20552.56033.5231
H62.18273.09572.53242.52021.09871.77522.77543.54542.05633.48802.16663.10372.73163.8114
H72.17952.53882.51013.08901.10351.77524.01164.86823.61094.61242.14862.49373.30934.1728
C84.12524.79544.88723.83003.16992.77544.01161.10331.09711.10322.55813.52271.51382.2087
H94.54325.19035.32723.98903.90643.54544.86821.10331.78231.77503.26314.14102.16152.5673
H103.70364.56164.26603.46062.77452.05633.61091.09711.78231.78352.73713.81992.17923.1199
H115.09065.74385.81264.89353.94653.48804.61241.10321.77501.78353.27534.15602.16302.5563
C122.52462.75623.48362.78651.51392.16662.14862.55813.26312.73713.27531.09461.34332.0953
H132.89752.69353.88173.28892.20553.10372.49373.52274.14103.81994.15601.09462.09642.3785
C143.53803.90474.49013.44732.56032.73163.30931.51382.16152.17922.16301.34332.09641.0941
H154.39464.56565.41464.26293.52313.81144.17282.20872.56733.11992.55632.09532.37851.0941

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 109.598 C1 C5 H7 108.949
C1 C5 C12 111.378 H2 C1 H3 108.197
H2 C1 H4 107.980 H2 C1 C5 110.664
H3 C1 H4 108.600 H3 C1 C5 111.074
H4 C1 C5 110.232 C5 C12 H13 114.523
C5 C12 C14 127.535 H6 C5 H7 106.878
H6 C5 C12 110.788 H7 C5 C12 109.127
C8 C14 C12 127.220 C8 C14 H15 114.922
H9 C8 H10 108.109 H9 C8 H11 106.985
H9 C8 C14 110.561 H10 C8 H11 108.062
H10 C8 C14 112.304 H11 C8 C14 110.624
C12 C14 H15 117.858 H13 C12 C14 117.922
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.562      
2 H 0.194      
3 H 0.192      
4 H 0.203      
5 C -0.467      
6 H 0.205      
7 H 0.205      
8 C -0.633      
9 H 0.208      
10 H 0.207      
11 H 0.208      
12 C -0.150      
13 H 0.182      
14 C -0.176      
15 H 0.184      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.007 -0.219 -0.015 0.219
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.578 0.570 0.906
y 0.570 -32.251 -0.659
z 0.906 -0.659 -34.207
Traceless
 xyz
x 1.651 0.570 0.906
y 0.570 0.642 -0.659
z 0.906 -0.659 -2.293
Polar
3z2-r2-4.585
x2-y20.673
xy0.570
xz0.906
yz-0.659


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.282 0.455 0.732
y 0.455 7.043 -0.260
z 0.732 -0.260 5.695


<r2> (average value of r2) Å2
<r2> 161.842
(<r2>)1/2 12.722