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All results from a given calculation for C5H6O (Pentadienal)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-269.210881
Energy at 298.15K-269.216394
HF Energy-269.210881
Nuclear repulsion energy194.098894
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 B1B95/6-31+G**
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' 3282 3139 6.78      
2 A' 3217 3078 4.28      
3 A' 3199 3060 6.72      
4 A' 3183 3045 5.84      
5 A' 3164 3027 6.73      
6 A' 2929 2802 93.45      
7 A' 1807 1728 435.92      
8 A' 1728 1653 68.09      
9 A' 1677 1604 30.58      
10 A' 1459 1395 4.39      
11 A' 1407 1346 0.39      
12 A' 1324 1267 2.89      
13 A' 1318 1261 2.09      
14 A' 1263 1208 4.06      
15 A' 1202 1150 32.12      
16 A' 1144 1094 107.75      
17 A' 967 925 6.32      
18 A' 599 573 16.31      
19 A' 431 412 0.34      
20 A' 377 361 4.59      
21 A' 143 136 6.76      
22 A" 1052 1006 51.39      
23 A" 1024 980 4.33      
24 A" 991 948 21.22      
25 A" 966 924 28.93      
26 A" 883 844 10.15      
27 A" 654 625 3.25      
28 A" 283 271 8.28      
29 A" 211 202 1.78      
30 A" 97 93 3.01      

Unscaled Zero Point Vibrational Energy (zpe) 20988.1 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 20077.2 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 B1B95/6-31+G**
ABC
0.96259 0.04495 0.04295

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.092 -1.585 0.000
O2 -1.078 -2.799 0.000
C3 0.102 -0.745 0.000
C4 0.000 0.598 0.000
C5 1.120 1.512 0.000
C6 0.980 2.844 0.000
H7 -2.055 -1.033 0.000
H8 1.062 -1.250 0.000
H9 -0.994 1.043 0.000
H10 2.114 1.073 0.000
H11 -0.001 3.308 0.000
H12 1.838 3.505 0.000

Atom - Atom Distances (Å)
  C1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12
C11.21411.45992.44073.80634.88961.11022.18082.62984.16545.01295.8731
O21.21412.36883.56354.83926.00622.01872.64223.84305.01856.20096.9456
C31.45992.36881.34612.47613.69432.17621.08562.09692.71244.05364.5907
C42.44073.56351.34611.44622.45062.62372.13101.08962.16732.71003.4395
C53.80634.83922.47611.44621.33894.06982.76242.16621.08652.11682.1181
C64.88966.00623.69432.45061.33894.92374.09412.67232.10241.08511.0829
H71.11022.01872.17622.62374.06984.92373.12552.33144.67174.80235.9791
H82.18082.64221.08562.13102.76244.09413.12553.08012.55014.67964.8175
H92.62983.84302.09691.08962.16622.67232.33143.08013.10892.47303.7525
H104.16545.01852.71242.16731.08652.10244.67172.55013.10893.07662.4474
H115.01296.20094.05362.71002.11681.08514.80234.67962.47303.07661.8489
H125.87316.94564.59073.43952.11811.08295.97914.81753.75252.44741.8489

picture of Pentadienal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C4 120.815 C1 C3 H8 117.140
O2 C1 C3 124.452 O2 C1 H7 120.509
C3 C1 H7 115.039 C3 C4 C5 124.898
C3 C4 H9 118.455 C4 C3 H8 122.045
C4 C5 C6 123.212 C4 C5 H10 116.963
C5 C4 H9 116.647 C5 C6 H11 121.325
C5 C6 H12 121.637 C6 C5 H10 119.826
H11 C6 H12 117.037
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.024      
2 O -0.399      
3 C -0.044      
4 C -0.097      
5 C -0.045      
6 C -0.347      
7 H 0.116      
8 H 0.167      
9 H 0.152      
10 H 0.156      
11 H 0.155      
12 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.992 4.208 0.000 4.324
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.758 -3.337 0.000
y -3.337 -43.829 0.000
z 0.000 0.000 -38.426
Traceless
 xyz
x 8.369 -3.337 0.000
y -3.337 -8.236 0.000
z 0.000 0.000 -0.133
Polar
3z2-r2-0.266
x2-y211.071
xy-3.337
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.842 2.949 0.000
y 2.949 18.574 0.000
z 0.000 0.000 5.342


<r2> (average value of r2) Å2
<r2> 241.496
(<r2>)1/2 15.540