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All results from a given calculation for C4H5N ((Z)-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-209.712210
Energy at 298.15K-209.716741
HF Energy-208.877431
Nuclear repulsion energy141.926391
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' 3241 3077 2.21      
2 A' 3204 3043 5.75      
3 A' 3178 3017 1.82      
4 A' 3073 2918 6.91      
5 A' 2183 2072 0.19      
6 A' 1691 1605 3.27      
7 A' 1498 1422 12.79      
8 A' 1434 1362 4.55      
9 A' 1398 1328 2.85      
10 A' 1258 1195 0.20      
11 A' 1127 1070 0.23      
12 A' 972 922 12.65      
13 A' 916 870 1.73      
14 A' 658 624 1.63      
15 A' 388 368 0.12      
16 A' 155 147 4.47      
17 A" 3147 2988 6.09      
18 A" 1497 1421 7.52      
19 A" 1071 1017 1.24      
20 A" 992 942 0.47      
21 A" 752 714 36.60      
22 A" 515 489 2.68      
23 A" 281 267 2.61      
24 A" 153 145 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 17390.2 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 16512.0 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
0.39619 0.11748 0.09214

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)
C1 -1.213 0.238 0.000
N2 -2.208 -0.372 0.000
C3 0.000 0.998 0.000
H4 -0.111 2.073 0.000
C5 1.209 0.423 0.000
H6 2.072 1.079 0.000
C7 1.474 -1.043 0.000
H8 0.552 -1.619 0.000
H9 2.060 -1.317 0.877
H10 2.060 -1.317 -0.877

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16641.43172.14002.42933.39092.97732.56183.72853.7285
N21.16642.59813.22013.50784.51863.74273.02804.45824.4582
C31.43172.59811.08021.33872.07332.51802.67443.22073.2207
H42.14003.22011.08022.11262.39853.49593.75034.11984.1198
C52.42933.50781.33872.11261.08371.49022.14512.12652.1265
H63.39094.51862.07332.39851.08372.20463.09652.55152.5515
C72.97733.74272.51803.49591.49022.20461.08741.08971.0897
H82.56183.02802.67443.75032.14513.09651.08741.77071.7707
H93.72854.45823.22074.11982.12652.55151.08971.77071.7544
H103.72854.45823.22074.11982.12652.55151.08971.77071.7544

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 116.152 C1 C3 C5 122.504
N2 C1 C3 179.452 C3 C5 H6 117.335
C3 C5 C7 125.689 H4 C3 C5 121.344
C5 C7 H8 111.701 C5 C7 H9 110.060
C5 C7 H10 110.060 H6 C5 C7 116.976
H8 C7 H9 108.845 H8 C7 H10 108.845
H9 C7 H10 107.212
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability