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All results from a given calculation for NH2CN (cyanamide)

using model chemistry: MP2/Def2TZVPP

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 MP2/Def2TZVPP
 hartrees
Energy at 0K-148.522437
Energy at 298.15K-148.524729
HF Energy-147.970853
Nuclear repulsion energy59.016311
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/Def2TZVPP
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' 3584 3410 48.98      
2 A' 2257 2148 62.48      
3 A' 1638 1558 38.19      
4 A' 1073 1021 8.93      
5 A' 659 627 207.72      
6 A' 474 451 20.37      
7 A" 3687 3508 69.48      
8 A" 1210 1152 0.01      
9 A" 404 385 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 7493.2 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 7129.8 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/Def2TZVPP
ABC
10.13223 0.33490 0.32744

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.219 0.000
N2 -0.016 1.384 0.000
N3 0.089 -1.125 0.000
H4 -0.255 -1.566 0.838
H5 -0.255 -1.566 -0.838

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16571.34641.98771.9877
N21.16572.51123.07583.0758
N31.34642.51121.00751.0075
H41.98773.07581.00751.6756
H51.98773.07581.00751.6756

picture of cyanamide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 114.452 C1 N3 H5 114.452
N2 C1 N3 177.002 H4 N3 H5 112.521
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C2V)

Jump to S1C1
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-148.520269
Energy at 298.15K 
HF Energy-147.969816
Nuclear repulsion energy59.222622
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/Def2TZVPP
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 3670 3492 87.06      
2 A1 2284 2173 102.40      
3 A1 1621 1542 46.76      
4 A1 1110 1056 15.81      
5 B1 502 478 0.03      
6 B1 492i 468i 256.34      
7 B2 3802 3617 114.50      
8 B2 1134 1079 2.10      
9 B2 404 384 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 7016.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 6676.5 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 MP2/Def2TZVPP
ABC
11.18984 0.33709 0.32723

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.219
N2 0.000 0.000 1.387
N3 0.000 0.000 -1.112
H4 0.000 0.863 -1.618
H5 0.000 -0.863 -1.618

Atom - Atom Distances (Å)
  C1 N2 N3 H4 H5
C11.16791.33122.02932.0293
N21.16792.49913.12603.1260
N31.33122.49911.00031.0003
H42.02933.12601.00031.7265
H52.02933.12601.00031.7265

picture of cyanamide state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H4 120.342 C1 N3 H5 120.342
N2 C1 N3 180.000 H4 N3 H5 119.315
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability