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

using model chemistry: MP2/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-209.711312
Energy at 298.15K-209.715732
HF Energy-208.877850
Nuclear repulsion energy138.363949
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/cc-pVTZ
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' 3220 3057 3.56      
2 A' 3203 3042 4.92      
3 A' 3174 3013 7.07      
4 A' 3072 2917 9.60      
5 A' 2188 2078 0.01      
6 A' 1704 1618 7.23      
7 A' 1502 1426 14.16      
8 A' 1418 1346 2.06      
9 A' 1333 1266 0.18      
10 A' 1310 1244 1.12      
11 A' 1145 1087 0.03      
12 A' 1044 992 5.40      
13 A' 914 868 6.88      
14 A' 549 521 0.03      
15 A' 389 370 1.26      
16 A' 172 163 4.15      
17 A" 3147 2988 6.25      
18 A" 1493 1417 7.88      
19 A" 1073 1018 1.25      
20 A" 1000 949 40.65      
21 A" 803 762 0.50      
22 A" 473 449 3.52      
23 A" 202 192 1.36      
24 A" 173 164 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 17349.7 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 16473.5 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/cc-pVTZ
ABC
1.27800 0.07656 0.07321

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 2.638 0.454 0.000
H2 2.641 -1.083 0.877
H3 2.641 -1.083 -0.877
C4 2.255 -0.564 0.000
H5 0.281 -1.555 0.000
C6 0.763 -0.585 0.000
H7 0.433 1.505 0.000
C8 0.000 0.514 0.000
N9 -2.595 0.412 0.000
C10 -1.429 0.447 0.000

Atom - Atom Distances (Å)
  H1 H2 H3 C4 H5 C6 H7 C8 N9 C10
H11.76941.76941.08763.09752.14342.44282.63895.23354.0676
H21.76941.75381.08972.56162.13123.51303.20845.51534.4356
H31.76941.75381.08972.56162.13123.51303.20845.51534.4356
C41.08761.08971.08972.20891.49162.75672.49934.94713.8202
H53.09752.56162.56162.20891.08383.06432.08843.48442.6330
C62.14342.13122.13121.49161.08382.11601.33813.50322.4232
H72.44283.51303.51302.75673.06432.11601.08163.21962.1424
C82.63893.20843.20842.49932.08841.33811.08162.59711.4309
N95.23355.51535.51534.94713.48443.50323.21962.59711.1662
C104.06764.43564.43563.82022.63302.42322.14241.43091.1662

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 108.712 H1 C4 H3 108.712
H1 C4 C6 111.449 H2 C4 H3 107.171
H2 C4 C6 110.338 H3 C4 C6 110.338
C4 C6 H5 117.243 C4 C6 C8 123.978
H5 C6 C8 118.779 C6 C8 H7 121.603
C6 C8 C10 122.080 H7 C8 C10 116.317
C8 C10 N9 179.003
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability