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All results from a given calculation for C5H8 (1,4-Pentadiene)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-195.268814
Energy at 298.15K-195.276364
Nuclear repulsion energy155.161051
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 mPW1PW91/aug-cc-pVDZ
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 3258 3122 12.66      
2 A 3176 3043 4.30      
3 A 3159 3027 2.80      
4 A 3043 2916 18.60      
5 A 1731 1659 1.23      
6 A 1454 1394 6.00      
7 A 1433 1373 1.25      
8 A 1315 1260 0.19      
9 A 1255 1203 0.09      
10 A 1085 1040 3.45      
11 A 1023 981 11.21      
12 A 958 918 44.26      
13 A 917 879 3.01      
14 A 685 657 11.89      
15 A 373 358 0.55      
16 A 297 285 0.16      
17 A 89 86 0.01      
18 A 3258 3122 15.62      
19 A 3175 3042 9.85      
20 A 3159 3027 20.99      
21 A 3095 2966 11.75      
22 A 1717 1645 34.18      
23 A 1444 1384 5.07      
24 A 1322 1267 0.40      
25 A 1286 1233 3.04      
26 A 1171 1122 4.25      
27 A 1027 984 16.26      
28 A 980 939 3.38      
29 A 957 917 42.91      
30 A 888 851 9.28      
31 A 614 588 12.81      
32 A 451 432 3.43      
33 A 103 99 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 24949.5 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 23909.1 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 mPW1PW91/aug-cc-pVDZ
ABC
0.66648 0.07832 0.07771

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.665
C2 0.000 1.246 -0.177
C3 0.000 -1.246 -0.177
C4 0.961 2.170 -0.176
C5 -0.961 -2.170 -0.176
H6 -0.887 -0.008 1.316
H7 0.887 0.008 1.316
H8 -0.860 1.369 -0.841
H9 0.860 -1.369 -0.841
H10 0.905 3.051 -0.815
H11 -0.905 -3.051 -0.815
H12 1.838 2.081 0.467
H13 -1.838 -2.081 0.467

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50331.50332.51802.51801.10051.10052.20912.20913.50953.50952.78332.7833
C21.50332.49121.33353.54842.14172.13251.09352.83152.11784.43682.11893.8547
C31.50332.49123.54841.33352.13252.14172.83151.09354.43682.11783.85472.1189
C42.51801.33353.54844.74693.22282.62832.09753.60261.08935.58111.09125.1303
C52.51803.54841.33354.74692.62833.22283.60262.09755.58111.08935.13031.0912
H61.10052.14172.13253.22282.62831.77432.55893.09144.13643.71493.53672.4334
H71.10052.13252.14172.62833.22281.77433.09142.55893.71494.13642.43343.5367
H82.20911.09352.83152.09753.60262.55893.09143.23402.43824.42013.08143.8171
H92.20912.83151.09353.60262.09753.09142.55893.23404.42012.43823.81713.0814
H103.50952.11784.43681.08935.58114.13643.71492.43824.42016.36421.85855.9585
H113.50954.43682.11785.58111.08933.71494.13644.42012.43826.36425.95851.8585
H122.78332.11893.85471.09125.13033.53672.43343.08143.81711.85855.95855.5525
H132.78333.85472.11895.13031.09122.43343.53673.81713.08145.95851.85855.5525

picture of 1,4-Pentadiene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 125.047 C1 C2 H8 115.685
C1 C3 C5 125.047 C1 C3 H9 115.685
C2 C1 C3 111.912 C2 C1 H6 109.710
C2 C1 H7 108.986 C2 C4 H10 121.556
C2 C4 H12 121.504 C3 C1 H6 108.986
C3 C1 H7 109.710 C3 C5 H11 121.556
C3 C5 H13 121.504 C4 C2 H8 119.262
C5 C3 H9 119.262 H6 C1 H7 107.433
H10 C4 H12 116.939 H11 C5 H13 116.939
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.594      
2 C 1.013      
3 C 1.013      
4 C 0.192      
5 C 0.192      
6 H -0.175      
7 H -0.175      
8 H -0.531      
9 H -0.531      
10 H -0.379      
11 H -0.379      
12 H -0.417      
13 H -0.417      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.142 0.142
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.949 0.939 0.000
y 0.939 -32.401 0.000
z 0.000 0.000 -32.784
Traceless
 xyz
x 1.643 0.939 0.000
y 0.939 -0.534 0.000
z 0.000 0.000 -1.109
Polar
3z2-r2-2.217
x2-y21.452
xy0.939
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.577 2.685 0.000
y 2.685 12.128 0.000
z 0.000 0.000 7.767


<r2> (average value of r2) Å2
<r2> 158.745
(<r2>)1/2 12.599