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All results from a given calculation for CH3C(OH)=NH (Ethaninidic acid)

using model chemistry: CCSD/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 CCSD/6-31G(2df,p)
 hartrees
Energy at 0K-208.740963
Energy at 298.15K-208.747360
HF Energy-207.982015
Nuclear repulsion energy121.867080
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 CCSD/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' 3842 3633 54.52      
2 A' 3587 3391 3.07      
3 A' 3204 3029 9.15      
4 A' 3103 2934 3.98      
5 A' 1797 1699 199.83      
6 A' 1519 1436 24.47      
7 A' 1486 1405 61.51      
8 A' 1421 1343 0.94      
9 A' 1300 1229 95.52      
10 A' 1139 1077 177.46      
11 A' 1038 981 27.82      
12 A' 891 842 0.72      
13 A' 557 526 40.17      
14 A' 424 401 1.57      
15 A" 3179 3006 4.50      
16 A" 1503 1421 6.47      
17 A" 1088 1028 8.18      
18 A" 879 831 25.05      
19 A" 632 598 118.14      
20 A" 527 498 23.13      
21 A" 133 126 0.60      

Unscaled Zero Point Vibrational Energy (zpe) 16623.1 cm-1
Scaled (by 0.9455) Zero Point Vibrational Energy (zpe) 15717.1 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 CCSD/6-31G(2df,p)
ABC
0.36327 0.31153 0.17309

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.135 0.000
C2 0.905 -1.065 0.000
N3 0.299 1.367 0.000
O4 -1.297 -0.242 0.000
H5 1.952 -0.768 0.000
H6 0.701 -1.678 0.881
H7 0.701 -1.678 -0.881
H8 1.306 1.489 0.000
H9 -1.804 0.578 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50311.26811.35042.15112.13392.13391.88151.8578
C21.50312.50712.35071.08911.09191.09192.58583.1684
N31.26812.50712.26582.70083.19553.19551.01492.2460
O41.35042.35072.26583.29172.61362.61363.12590.9638
H52.15111.08912.70083.29171.78031.78032.34773.9904
H62.13391.09193.19552.61361.78031.76123.34253.4844
H72.13391.09193.19552.61361.78031.76123.34253.4844
H81.88152.58581.01493.12592.34773.34253.34253.2410
H91.85783.16842.24600.96383.99043.48443.48443.2410

picture of Ethaninidic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 111.158 C1 C2 H6 109.618
C1 C2 H7 109.618 C1 N3 H8 110.511
C1 O4 H9 105.570 C2 C1 N3 129.374
C2 C1 O4 110.821 N3 C1 O4 119.805
H5 C2 H6 109.432 H5 C2 H7 109.432
H6 C2 H7 107.508
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability