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

using model chemistry: MP2=FULL/6-31+G**

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=FULL/6-31+G**
 hartrees
Energy at 0K-209.546178
Energy at 298.15K-209.550627
HF Energy-208.817676
Nuclear repulsion energy141.318900
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=FULL/6-31+G**
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 3283 3083 3.82      
2 A 3251 3054 8.66      
3 A 3232 3035 2.06      
4 A 3119 2929 9.61      
5 A 2191 2058 0.16      
6 A 1712 1608 2.75      
7 A 1532 1439 13.20      
8 A 1469 1380 5.48      
9 A 1430 1343 2.42      
10 A 1284 1206 0.21      
11 A 1147 1078 0.30      
12 A 986 926 11.63      
13 A 922 866 1.61      
14 A 660 619 1.22      
15 A 389 365 0.09      
16 A 155 145 4.23      
17 A 3201 3007 7.83      
18 A 1523 1430 8.57      
19 A 1084 1018 2.68      
20 A 975 916 0.14      
21 A 740 695 43.87      
22 A 481 452 2.34      
23 A 268 252 2.29      
24 A 137 129 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 17585.2 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 16516.1 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=FULL/6-31+G**
ABC
0.39627 0.11569 0.09105

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.213 0.241 0.000
N2 -2.223 -0.376 0.000
C3 0.000 1.003 0.000
H4 -0.105 2.079 0.000
C5 1.216 0.423 0.000
H6 2.076 1.083 0.000
C7 1.480 -1.045 0.000
H8 0.557 -1.619 0.000
H9 2.064 -1.323 0.877
H10 2.064 -1.323 -0.877

Atom - Atom Distances (Å)
  C1 N2 C3 H4 C5 H6 C7 H8 H9 H10
C11.18351.43172.14502.43533.39432.98462.56773.73593.7359
N21.18352.61523.24123.53004.53903.76303.04504.47724.4772
C31.43172.61521.08111.34682.07722.52692.68033.23133.2313
H42.14503.24121.08112.11792.39753.50333.75664.12934.1293
C52.43533.53001.34682.11791.08371.49222.14612.13092.1309
H63.39434.53902.07722.39751.08372.21003.09972.56142.5614
C72.98463.76302.52693.50331.49222.21001.08721.08991.0899
H82.56773.04502.68033.75662.14613.09971.08721.76891.7689
H93.73594.47723.23134.12932.13092.56141.08991.76891.7545
H103.73594.47723.23134.12932.13092.56141.08991.76891.7545

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 116.524 C1 C3 C5 122.408
N2 C1 C3 179.307 C3 C5 H6 117.025
C3 C5 C7 125.684 H4 C3 C5 121.068
C5 C7 H8 111.651 C5 C7 H9 110.251
C5 C7 H10 110.251 H6 C5 C7 117.291
H8 C7 H9 108.682 H8 C7 H10 108.682
H9 C7 H10 107.198
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability