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 C5H8 (1,3-Pentadiene, (E)-)

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 C1 1A'
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-195.281629
Energy at 298.15K-195.289096
Nuclear repulsion energy153.349274
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 3267 3131 11.70      
2 A 3176 3044 18.57      
3 A 3169 3037 32.54      
4 A 3165 3033 4.77      
5 A 3161 3029 2.04      
6 A 3142 3011 6.68      
7 A 3040 2913 34.82      
8 A 1745 1673 22.48      
9 A 1685 1615 9.23      
10 A 1470 1408 8.07      
11 A 1443 1382 8.45      
12 A 1393 1335 3.17      
13 A 1329 1274 3.07      
14 A 1316 1261 0.55      
15 A 1287 1233 1.65      
16 A 1213 1163 1.24      
17 A 1116 1069 0.19      
18 A 987 946 11.36      
19 A 908 870 7.65      
20 A 486 465 0.02      
21 A 454 435 0.50      
22 A 198 190 1.98      
23 A 3100 2971 15.49      
24 A 1452 1391 7.40      
25 A 1052 1009 1.78      
26 A 1041 998 43.67      
27 A 983 942 14.91      
28 A 939 900 35.88      
29 A 850 815 7.13      
30 A 649 622 2.97      
31 A 264 253 1.91      
32 A 215 206 0.28      
33 A 139 133 1.44      

Unscaled Zero Point Vibrational Energy (zpe) 24917.3 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 23878.2 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
0.95510 0.07197 0.06777

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.415 0.781 0.000
C2 -1.409 -0.104 0.000
C3 0.000 0.252 0.000
C4 1.002 -0.641 0.000
C5 2.455 -0.303 0.000
H6 -2.226 1.856 0.000
H7 -3.456 0.462 0.000
H8 -1.640 -1.173 0.000
H9 0.237 1.320 0.000
H10 0.748 -1.705 0.000
H11 2.616 0.782 0.000
H12 2.959 -0.726 0.881
H13 2.959 -0.726 -0.881

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34122.47283.70214.99011.09051.08842.10272.70694.02385.03165.65145.6514
C21.34121.45302.46993.86902.12382.12411.09342.17692.68564.12114.49914.4991
C32.47281.45301.34272.51742.74363.46222.17301.09422.09562.66923.23913.2391
C43.70212.46991.34271.49184.08144.59262.69562.10541.09432.15132.14792.1479
C54.99013.86902.51741.49185.15545.96054.18702.74882.20961.09651.09991.0999
H61.09052.12382.74364.08145.15541.85863.08482.52114.63964.96025.85965.8596
H71.08842.12413.46224.59265.96051.85862.44313.79164.72936.08046.58356.5835
H82.10271.09342.17302.69564.18703.08482.44313.12122.44664.68374.70444.7044
H92.70692.17691.09422.10542.74882.52113.79163.12123.06862.43923.51793.5179
H104.02382.68562.09561.09432.20964.63964.72932.44663.06863.11062.57412.5741
H115.03164.12112.66922.15131.09654.96026.08044.68372.43923.11061.78001.7800
H125.65144.49913.23912.14791.09995.85966.58354.70443.51792.57411.78001.7626
H135.65144.49913.23912.14791.09995.85966.58354.70443.51792.57411.78001.7626

picture of 1,3-Pentadiene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.443 C1 C2 H8 119.112
C2 C1 H6 121.363 C2 C1 H7 121.566
C2 C3 C4 124.080 C2 C3 H9 116.733
C3 C2 H8 116.445 C3 C4 C5 125.194
C3 C4 H10 118.255 C4 C3 H9 119.187
C4 C5 H11 111.529 C4 C5 H12 111.038
C4 C5 H13 111.038 C5 C4 H10 116.551
H6 C1 H7 117.071 H11 C5 H12 108.275
H11 C5 H13 108.275 H12 C5 H13 106.493
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 0.315      
2 C 0.982      
3 C 1.654      
4 C 0.073      
5 C 0.026      
6 H -0.482      
7 H -0.450      
8 H -0.663      
9 H -0.677      
10 H -0.637      
11 H -0.220      
12 H 0.039      
13 H 0.039      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.677 -0.216 0.000 0.711
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.699 -0.171 0.000
y -0.171 -29.456 0.000
z 0.000 0.000 -35.254
Traceless
 xyz
x 2.656 -0.171 0.000
y -0.171 3.020 0.000
z 0.000 0.000 -5.676
Polar
3z2-r2-11.352
x2-y2-0.243
xy-0.171
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 15.607 -2.763 0.000
y -2.763 9.473 0.000
z 0.000 0.000 6.877


<r2> (average value of r2) Å2
<r2> 173.364
(<r2>)1/2 13.167