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All results from a given calculation for C5H8 (1,3-Pentadiene, (E)-)

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-194.761890
Energy at 298.15K-194.769329
HF Energy-193.982405
Nuclear repulsion energy153.610720
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 MP2/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A 3311 3127 6.31      
2 A 3216 3037 5.55      
3 A 3208 3030 32.45      
4 A 3205 3027 0.68      
5 A 3197 3019 1.63      
6 A 3192 3015 2.19      
7 A 3093 2921 19.59      
8 A 1729 1633 7.10      
9 A 1666 1574 2.27      
10 A 1521 1436 7.05      
11 A 1467 1385 3.81      
12 A 1429 1350 3.08      
13 A 1344 1270 2.60      
14 A 1327 1253 0.08      
15 A 1301 1229 1.48      
16 A 1221 1154 0.69      
17 A 1118 1056 0.14      
18 A 998 943 8.24      
19 A 915 864 4.58      
20 A 483 456 0.01      
21 A 448 424 0.28      
22 A 194 183 1.46      
23 A 3168 2992 11.20      
24 A 1509 1425 5.70      
25 A 1071 1011 1.94      
26 A 1064 1005 31.28      
27 A 1003 948 4.95      
28 A 932 880 32.03      
29 A 847 800 4.27      
30 A 656 619 1.21      
31 A 261 246 1.76      
32 A 213 201 0.04      
33 A 135 128 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 25219.5 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 23819.9 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 MP2/6-31G(2df,p)
ABC
0.95263 0.07224 0.06799

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -2.406 0.793 0.000
C2 -1.409 -0.103 0.000
C3 0.000 0.251 0.000
C4 0.996 -0.650 0.000
C5 2.452 -0.309 0.000
H6 -2.203 1.857 0.000
H7 -3.444 0.488 0.000
H8 -1.644 -1.164 0.000
H9 0.241 1.312 0.000
H10 0.737 -1.706 0.000
H11 2.605 0.771 0.000
H12 2.954 -0.726 0.877
H13 2.954 -0.726 -0.877

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.34102.46663.69554.98191.08371.08172.10092.69794.01635.01125.64005.6400
C21.34101.45252.46603.86632.11522.11931.08712.17362.67894.10754.49344.4934
C32.46661.45251.34272.51522.72633.45212.16901.08812.09172.65623.23263.2326
C43.69552.46601.34271.49554.06404.58332.68922.10181.08802.14632.14702.1470
C54.98193.86632.51521.49555.13425.94974.18402.74152.21201.09081.09331.0933
H61.08372.11522.72634.06405.13421.84853.07322.50404.62014.92875.83385.8338
H71.08172.11933.45214.58335.94971.84852.44363.77634.72216.05546.57096.5709
H82.10091.08712.16902.68924.18403.07322.44363.11202.44194.66844.70114.7011
H92.69792.17361.08812.10182.74152.50403.77633.11203.05892.42473.50443.5044
H104.01632.67892.09171.08802.21204.62014.72212.44193.05893.10242.57782.5778
H115.01124.10752.65622.14631.09084.92876.05544.66842.42473.10241.76961.7696
H125.64004.49343.23262.14701.09335.83386.57094.70113.50442.57781.76961.7547
H135.64004.49343.23262.14701.09335.83386.57094.70113.50442.57781.76961.7547

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 123.965 C1 C2 H8 119.453
C2 C1 H6 121.098 C2 C1 H7 121.673
C2 C3 C4 123.775 C2 C3 H9 116.913
C3 C2 H8 116.582 C3 C4 C5 124.714
C3 C4 H10 118.374 C4 C3 H9 119.312
C4 C5 H11 111.212 C4 C5 H12 111.115
C4 C5 H13 111.115 C5 C4 H10 116.912
H6 C1 H7 117.230 H11 C5 H12 108.241
H11 C5 H13 108.241 H12 C5 H13 106.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability