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All results from a given calculation for NH2COOH (Carbamic acid)

using model chemistry: MP2=FULL/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no CS 1A'
1 2 yes C1 1A

Conformer 1 (CS)

Jump to S1C2
Energy calculated at MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-244.582176
Energy at 298.15K 
HF Energy-243.866742
Nuclear repulsion energy122.694468
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/aug-cc-pVDZ
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' 3802 3685 81.28      
2 A' 3787 3671 94.10      
3 A' 3647 3535 68.32      
4 A' 1820 1764 550.31      
5 A' 1619 1569 110.57      
6 A' 1423 1379 138.86      
7 A' 1234 1196 198.71      
8 A' 1076 1043 34.53      
9 A' 947 918 54.54      
10 A' 579 561 30.63      
11 A' 486 471 5.70      
12 A" 773 750 14.84      
13 A" 592 574 60.89      
14 A" 487 472 60.39      
15 A" 186i 181i 214.57      

Unscaled Zero Point Vibrational Energy (zpe) 11042.8 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 10702.7 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/aug-cc-pVDZ
ABC
0.37845 0.35978 0.18444

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
O2 -0.069 1.353 0.000
N3 1.146 -0.605 0.000
O4 -1.094 -0.695 0.000
H5 2.028 -0.117 0.000
H6 1.114 -1.612 0.000
H7 -1.859 -0.097 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.22321.36241.37142.04272.06991.8731
O21.22322.30452.29042.56063.19302.3041
N31.36242.30452.24181.00771.00793.0474
O41.37142.29042.24183.17462.39140.9706
H52.04272.56061.00773.17461.75213.8865
H62.06993.19301.00792.39141.75213.3370
H71.87312.30413.04740.97063.88653.3370

picture of Carbamic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 118.287 C1 N3 H6 120.955
C1 O4 H7 104.926 O2 C1 N3 125.980
O2 C1 O4 123.849 N3 C1 O4 110.171
H5 N3 H6 120.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-244.582246
Energy at 298.15K-244.586959
HF Energy-243.866697
Nuclear repulsion energy122.651361
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/aug-cc-pVDZ
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 3788 3672 98.04      
2 A 3779 3662 69.01      
3 A 3630 3518 58.31      
4 A 1821 1765 529.05      
5 A 1619 1570 102.74      
6 A 1421 1377 137.71      
7 A 1236 1198 179.65      
8 A 1086 1053 54.50      
9 A 947 918 54.57      
10 A 772 748 19.91      
11 A 585 567 64.69      
12 A 576 558 43.76      
13 A 495 480 23.05      
14 A 471 456 29.22      
15 A 266 258 231.97      

Unscaled Zero Point Vibrational Energy (zpe) 11245.1 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 10898.8 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=FULL/aug-cc-pVDZ
ABC
0.37831 0.35911 0.18447

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.040 0.126 -0.001
O2 -0.477 1.268 0.005
N3 1.279 -0.229 -0.046
O4 -0.831 -0.994 0.002
H5 1.953 0.504 0.121
H6 1.539 -1.186 0.144
H7 -1.742 -0.659 0.005

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.22241.36681.37152.03172.05811.8741
O21.22242.30792.28972.54933.17852.3049
N31.36682.30792.24501.00931.00953.0516
O41.37152.28972.24503.16342.38210.9705
H52.03172.54931.00933.16341.73953.8747
H62.05813.17851.00952.38211.73953.3258
H71.87412.30493.05160.97053.87473.3258

picture of Carbamic acid state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N3 H5 116.736 C1 N3 H6 119.253
C1 O4 H7 105.007 O2 C1 N3 125.994
O2 C1 O4 123.843 N3 C1 O4 110.142
H5 N3 H6 119.013
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability