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All results from a given calculation for CHOCHCHCH3 (2-Butenal)

using model chemistry: B3LYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/Def2TZVPP
 hartrees
Energy at 0K-231.333969
Energy at 298.15K-231.339823
HF Energy-231.333969
Nuclear repulsion energy153.442024
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 B3LYP/Def2TZVPP
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' 3162 3044 6.46      
2 A' 3125 3009 22.92      
3 A' 3107 2991 1.08      
4 A' 3022 2909 11.31      
5 A' 2870 2763 100.19      
6 A' 1766 1700 321.12      
7 A' 1701 1638 57.10      
8 A' 1485 1429 20.66      
9 A' 1420 1367 2.93      
10 A' 1414 1361 3.95      
11 A' 1333 1283 3.60      
12 A' 1284 1236 0.08      
13 A' 1168 1125 61.36      
14 A' 1093 1052 20.64      
15 A' 944 908 28.45      
16 A' 546 526 8.38      
17 A' 462 445 2.31      
18 A' 211 203 6.74      
19 A" 3064 2950 9.79      
20 A" 1478 1423 8.55      
21 A" 1076 1036 1.74      
22 A" 1034 995 2.48      
23 A" 1010 972 36.28      
24 A" 804 774 0.01      
25 A" 299 288 7.64      
26 A" 202 194 0.34      
27 A" 130 125 1.67      

Unscaled Zero Point Vibrational Energy (zpe) 19604.5 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 18871.3 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 B3LYP/Def2TZVPP
ABC
1.11070 0.07293 0.06930

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.374 -0.498 0.000
C2 0.893 -0.658 0.000
C3 0.000 0.336 0.000
C4 -1.436 0.060 0.000
O5 -2.299 0.912 0.000
H6 -1.708 -1.015 0.000
H7 0.300 1.377 0.000
H8 0.516 -1.679 0.000
H9 2.669 0.551 0.000
H10 2.814 -0.983 0.876
H11 2.814 -0.983 -0.876

Atom - Atom Distances (Å)
  C1 C2 C3 C4 O5 H6 H7 H8 H9 H10 H11
C11.49042.51643.85114.88094.11452.79642.20151.08921.09311.0931
C21.49041.33592.43703.55652.62442.12011.08742.14882.13602.1360
C32.51641.33591.46242.36972.17701.08382.07932.67753.22823.2282
C43.85112.43701.46241.21221.10832.17912.61434.13434.46264.4626
O54.88093.55652.36971.21222.01512.63963.82544.98065.52185.5218
H64.11452.62442.17701.10832.01513.12252.32084.64804.60534.6053
H72.79642.12011.08382.17912.63963.12253.06342.50923.55753.5575
H82.20151.08742.07932.61433.82542.32083.06343.09902.55522.5552
H91.08922.14882.67754.13434.98064.64802.50923.09901.77171.7717
H101.09312.13603.22824.46265.52184.60533.55752.55521.77171.7514
H111.09312.13603.22824.46265.52184.60533.55752.55521.77171.7514

picture of 2-Butenal state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 125.739 C1 C2 H8 116.428
C2 C1 H9 111.874 C2 C1 H10 110.597
C2 C1 H11 110.597 C2 C3 C4 121.053
C2 C3 H7 122.027 C3 C2 H8 117.833
C3 C4 O5 124.481 C3 C4 H6 115.041
C4 C3 H7 116.920 O5 C4 H6 120.479
H9 C1 H10 108.560 H9 C1 H11 108.560
H10 C1 H11 106.472
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.199      
2 C -0.072      
3 C -0.105      
4 C 0.115      
5 O -0.279      
6 H 0.050      
7 H 0.108      
8 H 0.103      
9 H 0.086      
10 H 0.096      
11 H 0.096      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.614 -2.037 0.000 4.149
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.341 3.618 0.000
y 3.618 -30.316 0.000
z 0.000 0.000 -31.258
Traceless
 xyz
x -4.555 3.618 0.000
y 3.618 2.984 0.000
z 0.000 0.000 1.571
Polar
3z2-r23.142
x2-y2-5.026
xy3.618
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.372 -1.960 0.000
y -1.960 7.937 0.000
z 0.000 0.000 5.126


<r2> (average value of r2) Å2
<r2> 160.779
(<r2>)1/2 12.680