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

using model chemistry: MP4=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 MP4=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-244.626313
Energy at 298.15K 
HF Energy-243.865483
Nuclear repulsion energy122.262523
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 MP4=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' 3773 3679        
2 A' 3771 3677        
3 A' 3623 3533        
4 A' 1787 1742        
5 A' 1614 1574        
6 A' 1409 1374        
7 A' 1229 1198        
8 A' 1067 1040        
9 A' 926 903        
10 A' 569 555        
11 A' 478 466        
12 A" 758 739        
13 A" 583 569        
14 A" 478 466        
15 A" 244i 238i        

Unscaled Zero Point Vibrational Energy (zpe) 10909.7 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 10639.1 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 MP4=FULL/aug-cc-pVDZ
ABC
0.37536 0.35735 0.18307

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
O2 -0.075 1.358 0.000
N3 1.153 -0.602 0.000
O4 -1.095 -0.703 0.000
H5 2.034 -0.111 0.000
H6 1.125 -1.611 0.000
H7 -1.863 -0.108 0.000

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.22761.36681.37802.04902.07551.8786
O21.22762.31282.30002.57083.20282.3125
N31.36682.31282.25021.00921.00963.0556
O41.37802.30002.25023.18522.39910.9710
H52.04902.57081.00923.18521.75403.8974
H62.07553.20281.00962.39911.75403.3448
H71.87862.31253.05560.97103.89743.3448

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 118.385 C1 N3 H6 120.972
C1 O4 H7 104.884 O2 C1 N3 126.029
O2 C1 O4 123.843 N3 C1 O4 110.128
H5 N3 H6 120.643
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (C1)

Jump to S1C1
Energy calculated at MP4=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-244.626525
Energy at 298.15K-244.631289
HF Energy-243.865307
Nuclear repulsion energy122.194991
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 MP4=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 3769 3676        
2 A 3731 3639        
3 A 3593 3503        
4 A 1786 1741        
5 A 1615 1575        
6 A 1407 1372        
7 A 1233 1203        
8 A 1082 1055        
9 A 927 904        
10 A 756 737        
11 A 574 560        
12 A 563 549        
13 A 489 477        
14 A 459 447        
15 A 344 335        

Unscaled Zero Point Vibrational Energy (zpe) 11162.5 cm-1
Scaled (by 0.9752) Zero Point Vibrational Energy (zpe) 10885.7 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 MP4=FULL/aug-cc-pVDZ
ABC
0.37534 0.35614 0.18314

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/aug-cc-pVDZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.040 0.127 -0.001
O2 -0.477 1.273 0.007
N3 1.286 -0.233 -0.059
O4 -0.836 -0.997 0.002
H5 1.949 0.501 0.154
H6 1.536 -1.182 0.187
H7 -1.747 -0.661 0.007

Atom - Atom Distances (Å)
  C1 O2 N3 O4 H5 H6 H7
C11.22671.37481.37672.03002.05721.8794
O21.22672.31892.29832.54983.17982.3134
N31.37482.31892.25551.01201.01243.0629
O41.37672.29832.25553.16562.38570.9712
H52.03002.54981.01203.16561.73373.8767
H62.05723.17981.01242.38571.73373.3284
H71.87942.31343.06290.97123.87673.3284

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 115.696 C1 N3 H6 118.236
C1 O4 H7 105.032 O2 C1 N3 125.999
O2 C1 O4 123.855 N3 C1 O4 110.112
H5 N3 H6 117.822
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability