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All results from a given calculation for C4H5N ((E)-2-Butenenitrile)

using model chemistry: LSDA/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/6-31G
 hartrees
Energy at 0K-208.889382
Energy at 298.15K-208.893788
Nuclear repulsion energy138.106736
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 LSDA/6-31G
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' 3115 3052 12.20      
2 A' 3106 3043 1.07      
3 A' 3084 3021 5.18      
4 A' 2975 2915 6.90      
5 A' 2259 2214 25.70      
6 A' 1702 1667 25.76      
7 A' 1463 1433 25.94      
8 A' 1399 1371 18.69      
9 A' 1312 1285 1.09      
10 A' 1295 1269 0.03      
11 A' 1150 1127 0.35      
12 A' 1072 1050 9.49      
13 A' 915 897 13.44      
14 A' 558 546 0.12      
15 A' 391 383 1.20      
16 A' 171 168 2.97      
17 A" 3044 2982 5.20      
18 A" 1451 1422 17.92      
19 A" 1057 1036 1.61      
20 A" 967 947 53.20      
21 A" 820 804 0.20      
22 A" 490 480 4.01      
23 A" 203 199 2.80      
24 A" 170 166 0.29      

Unscaled Zero Point Vibrational Energy (zpe) 17084.2 cm-1
Scaled (by 0.9797) Zero Point Vibrational Energy (zpe) 16737.3 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 LSDA/6-31G
ABC
1.28456 0.07640 0.07309

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.642 0.411 0.000
H2 2.635 -1.145 0.884
H3 2.635 -1.145 -0.884
C4 2.234 -0.613 0.000
H5 0.253 -1.594 0.000
C6 0.756 -0.617 0.000
H7 0.485 1.485 0.000
C8 0.000 0.499 0.000
N9 -2.590 0.493 0.000
C10 -1.409 0.487 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.78991.78991.10303.11952.14802.40982.64385.23354.0523
H21.78991.76751.10682.58032.14253.51033.22935.54734.4498
H31.78991.76751.10682.58032.14253.51033.22935.54734.4498
C41.10301.10681.10682.21051.47762.73152.49544.94963.8055
H53.11952.58032.58032.21051.09943.08762.10823.52712.6631
C62.14802.14252.14251.47761.09942.11901.34783.52602.4304
H72.40983.51033.51032.73153.08762.11901.09863.23132.1410
C82.64383.22933.22932.49542.10821.34781.09862.59051.4093
N95.23355.54735.54734.94963.52713.52603.23132.59051.1813
C104.05234.44984.44983.80552.66312.43042.14101.40931.1813

picture of (E)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 H2 108.187 H1 C4 H3 108.187
H1 C4 C6 111.867 H2 C4 H3 105.971
H2 C4 C6 111.192 H3 C4 C6 111.192
C4 C6 H5 117.384 C4 C6 C8 124.001
H5 C6 C8 118.615 C6 C8 H7 119.681
C6 C8 C10 123.632 H7 C8 C10 116.688
C8 C10 N9 179.189
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.187      
2 H 0.202      
3 H 0.202      
4 C -0.578      
5 H 0.184      
6 C -0.055      
7 H 0.201      
8 C -0.113      
9 N -0.232      
10 C 0.001      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.707 -0.755 0.000 4.767
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.853 0.911 0.000
y 0.911 -26.958 0.000
z 0.000 0.000 -30.565
Traceless
 xyz
x -9.092 0.911 0.000
y 0.911 7.251 0.000
z 0.000 0.000 1.840
Polar
3z2-r23.681
x2-y2-10.895
xy0.911
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.218 -1.877 0.000
y -1.877 6.224 0.000
z 0.000 0.000 3.529


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000