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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-210.047560
Energy at 298.15K-210.052123
HF Energy-209.771548
Nuclear repulsion energy142.009853
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 B2PLYP/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' 3212 3082 3.14      
2 A' 3180 3051 7.31      
3 A' 3147 3019 2.65      
4 A' 3050 2926 8.60      
5 A' 2266 2174 6.83      
6 A' 1688 1620 11.28      
7 A' 1495 1435 15.90      
8 A' 1440 1381 4.34      
9 A' 1410 1352 2.87      
10 A' 1267 1216 0.56      
11 A' 1132 1086 0.26      
12 A' 970 931 13.37      
13 A' 907 871 1.76      
14 A' 667 640 1.43      
15 A' 395 379 0.13      
16 A' 158 151 4.66      
17 A" 3103 2977 9.00      
18 A" 1494 1434 7.58      
19 A" 1078 1034 0.75      
20 A" 996 956 0.79      
21 A" 755 725 37.26      
22 A" 528 506 2.33      
23 A" 289 277 2.69      
24 A" 150 144 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17387.9 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 16681.9 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 B2PLYP/cc-pVTZ
ABC
0.40397 0.11586 0.09155

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.215 0.241 0.000
N2 -2.217 -0.345 0.000
C3 0.000 0.987 0.000
H4 -0.102 2.063 0.000
C5 1.208 0.414 0.000
H6 2.067 1.074 0.000
C7 1.482 -1.049 0.000
H8 0.565 -1.635 0.000
H9 2.072 -1.323 0.876
H10 2.072 -1.323 -0.876

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16121.42612.13472.42973.38602.98972.58643.74423.7442
N21.16122.58713.20523.50904.51323.76553.06714.48584.4858
C31.42612.58711.08011.33742.06852.51872.68243.22463.2246
H42.13473.20521.08012.10582.38343.49193.75714.11784.1178
C52.42973.50901.33742.10581.08281.48902.14742.12862.1286
H63.38604.51322.06852.38341.08282.20283.09712.55222.5522
C72.98973.76552.51873.49191.48902.20281.08711.09091.0909
H82.58643.06712.68243.75712.14743.09711.08711.77021.7702
H93.74424.48583.22464.11782.12862.55221.09091.77021.7510
H103.74424.48583.22464.11782.12862.55221.09091.77021.7510

picture of (Z)-2-Butenenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H4 116.130 C1 C3 C5 123.067
N2 C1 C3 178.779 C3 C5 H6 117.065
C3 C5 C7 125.954 H4 C3 C5 120.803
C5 C7 H8 111.996 C5 C7 H9 110.237
C5 C7 H10 110.237 H6 C5 C7 116.981
H8 C7 H9 108.730 H8 C7 H10 108.730
H9 C7 H10 106.751
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.030      
2 N -0.110      
3 C -0.154      
4 H 0.163      
5 C -0.092      
6 H 0.150      
7 C -0.267      
8 H 0.120      
9 H 0.110      
10 H 0.110      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.503 -0.132 0.000
y -0.132 7.054 0.000
z 0.000 0.000 4.784


<r2> (average value of r2) Å2
<r2> 125.897
(<r2>)1/2 11.220