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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-210.181231
Energy at 298.15K-210.185788
HF Energy-210.181231
Nuclear repulsion energy141.638974
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 TPSSh/6-31G(2df,p)
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' 3191 3079 6.00      
2 A' 3162 3052 9.51      
3 A' 3132 3022 3.33      
4 A' 3029 2923 11.29      
5 A' 2306 2225 14.02      
6 A' 1683 1624 14.72      
7 A' 1490 1438 13.74      
8 A' 1427 1377 3.84      
9 A' 1397 1348 2.27      
10 A' 1258 1214 0.32      
11 A' 1120 1080 0.27      
12 A' 964 930 13.39      
13 A' 903 872 1.90      
14 A' 664 641 1.69      
15 A' 391 377 0.12      
16 A' 154 149 4.69      
17 A" 3082 2975 11.68      
18 A" 1490 1438 6.00      
19 A" 1065 1028 0.43      
20 A" 990 955 0.80      
21 A" 758 731 30.21      
22 A" 533 515 1.68      
23 A" 292 282 3.30      
24 A" 164 159 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17321.7 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 16715.5 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 TPSSh/6-31G(2df,p)
ABC
0.40319 0.11511 0.09105

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.219 0.247 0.000
N2 -2.225 -0.336 0.000
C3 0.000 0.988 0.000
H4 -0.103 2.068 0.000
C5 1.212 0.410 0.000
H6 2.077 1.070 0.000
C7 1.486 -1.058 0.000
H8 0.564 -1.643 0.000
H9 2.080 -1.334 0.880
H10 2.080 -1.334 -0.880

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.16341.42592.13522.43603.39703.00322.59883.76283.7628
N21.16342.58923.20683.51714.52633.78073.08034.50634.5063
C31.42592.58921.08531.34242.07892.52822.69083.23903.2390
H42.13523.20681.08532.11592.39803.50653.77094.13684.1368
C52.43603.51711.34242.11591.08811.49332.15352.13772.1377
H63.39704.52632.07892.39801.08812.20803.10672.55952.5595
C73.00323.78072.52823.50651.49332.20801.09241.09691.0969
H82.59883.08032.69083.77092.15353.10671.09241.78021.7802
H93.76284.50633.23904.13682.13772.55951.09691.78021.7592
H103.76284.50633.23904.13682.13772.55951.09691.78021.7592

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 115.822 C1 C3 C5 123.254
N2 C1 C3 178.841 C3 C5 H6 117.216
C3 C5 C7 126.056 H4 C3 C5 120.924
C5 C7 H8 111.844 C5 C7 H9 110.303
C5 C7 H10 110.303 H6 C5 C7 116.728
H8 C7 H9 108.804 H8 C7 H10 108.804
H9 C7 H10 106.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability