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All results from a given calculation for CH2CHNH (vinylazine)

using model chemistry: CCSD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS cis 2A"
1 2 no CS trans 2A"

Conformer 1 (CS cis)

Jump to S1C2
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-132.879840
Energy at 298.15K-132.884004
HF Energy-132.464554
Nuclear repulsion energy64.632269
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*
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' 3433 3242 3.96      
2 A' 3303 3119 5.43      
3 A' 3198 3020 3.96      
4 A' 3107 2934 40.03      
5 A' 1545 1459 10.72      
6 A' 1491 1408 3.56      
7 A' 1390 1313 29.18      
8 A' 1266 1196 10.79      
9 A' 1125 1063 21.77      
10 A' 1015 959 7.66      
11 A' 495 467 12.50      
12 A" 1051 993 0.33      
13 A" 774 731 3.10      
14 A" 694 655 126.95      
15 A" 526 497 3.24      

Unscaled Zero Point Vibrational Energy (zpe) 12207.0 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 11527.1 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*
ABC
2.05930 0.36506 0.31009

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.424 0.000
C2 1.156 -0.377 0.000
N3 -1.194 -0.141 0.000
H4 0.133 1.513 0.000
H5 2.150 0.059 0.000
H6 1.055 -1.458 0.000
H7 -1.916 0.591 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40591.32051.09722.18092.15761.9234
C21.40592.36132.14841.08581.08613.2206
N31.32052.36132.12013.34992.60651.0279
H41.09722.14842.12012.48613.11082.2473
H52.18091.08583.34992.48611.87124.1009
H62.15761.08612.60653.11081.87123.6093
H71.92343.22061.02792.24734.10093.6093

picture of vinylazine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.619 C1 C2 H6 119.401
C1 N3 H7 109.347 C2 C1 N3 119.988
C2 C1 H4 117.733 N3 C1 H4 122.279
H5 C2 H6 118.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS trans)

Jump to S1C1
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-132.879321
Energy at 298.15K-132.883472
HF Energy-132.463938
Nuclear repulsion energy64.614023
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*
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' 3386 3197 12.93      
2 A' 3285 3102 8.92      
3 A' 3183 3006 2.57      
4 A' 3170 2993 21.83      
5 A' 1534 1449 5.25      
6 A' 1485 1403 3.48      
7 A' 1403 1325 21.92      
8 A' 1257 1187 31.28      
9 A' 1150 1086 25.03      
10 A' 1006 950 0.57      
11 A' 500 472 9.20      
12 A" 1086 1025 56.21      
13 A" 785 741 73.86      
14 A" 688 649 1.26      
15 A" 495 467 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 12205.9 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 11526.1 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*
ABC
1.94435 0.36615 0.30813

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.453 0.000
C2 1.133 -0.383 0.000
N3 -1.262 0.064 0.000
H4 0.160 1.534 0.000
H5 2.139 0.027 0.000
H6 1.027 -1.466 0.000
H7 -1.291 -0.967 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 H4 H5 H6 H7
C11.40781.32031.09282.18082.17701.9195
C21.40782.43562.14961.08611.08852.4934
N31.32032.43562.04523.40052.75331.0314
H41.09282.14962.04522.48753.12322.8918
H52.18081.08613.40052.48751.86113.5710
H62.17701.08852.75333.12321.86112.3718
H71.91952.49341.03142.89183.57102.3718

picture of vinylazine state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 121.423 C1 C2 H6 120.878
C1 N3 H7 108.800 C2 C1 N3 126.421
C2 C1 H4 118.008 N3 C1 H4 115.571
H5 C2 H6 117.700
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability