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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: G2

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes Cs 1A'
1 2 no C2V 1A1

Conformer 1 (Cs)

Jump to S1C2
Energy calculated at G2
 hartrees
Energy at 0K-148.559330
Energy at 298.15K-148.554804
Nuclear repulsion energy59.919306
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 HF/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' 3787 3568 55.23      
2 A' 2603 2452 126.21      
3 A' 1805 1700 53.56      
4 A' 1160 1093 5.49      
5 A' 690 650 270.67      
6 A' 531 501 63.87      
7 A" 3891 3666 72.64      
8 A" 1324 1248 0.37      
9 A" 461 434 2.22      

Unscaled Zero Point Vibrational Energy (zpe) 8125.6 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 7655.9 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/6-31G*
ABC
10.03217 0.33072 0.32336

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.216 0.000
N2 -0.040 1.397 0.000
N3 0.113 -1.134 0.000
H4 -0.254 -1.570 0.839
H5 -0.254 -1.570 -0.839

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.18171.35501.99001.9900
N21.18172.53603.09113.0911
N31.35502.53601.01461.0146
H41.99003.09111.01461.6790
H51.99003.09111.01461.6790

picture of cyanamide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at G2
 hartrees
Energy at 0K-148.560433
Energy at 298.15K-148.556095
HF Energy-147.906952
Nuclear repulsion energy60.086572
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 HF/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 A1 3854 3631 89.72      
2 A1 2589 2440 167.81      
3 A1 1779 1677 63.00      
4 A1 1202 1133 12.39      
5 B1 590 556 7.84      
6 B1 480i 453i 393.95      
7 B2 3980 3750 116.41      
8 B2 1255 1182 5.08      
9 B2 457 430 0.21      

Unscaled Zero Point Vibrational Energy (zpe) 7612.7 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 7172.7 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/6-31G*
ABC
11.10436 0.33298 0.32328

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.217
N2 0.000 0.000 1.399
N3 0.000 0.000 -1.119
H4 0.000 0.868 -1.630
H5 0.000 -0.868 -1.630

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.18231.33612.04072.0407
N21.18232.51843.15123.1512
N31.33612.51841.00701.0070
H42.04073.15121.00701.7357
H52.04073.15121.00701.7357

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.400 C1 N3 H5 120.400
N2 C1 N3 180.000 H4 N3 H5 119.200
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability